GIGABYTE B840M DS3H Review | 107 Data compared
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GIGABYTE B840M DS3H Review | 107 Data compared

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  • Avg. price in UK: ~£95
  • Avg. price in US: ~$130
  • CPU socket: AM5
  • Chipset: AMD B840
  • Form factor: microATX

GIGABYTE B840M DS3H review. Compare 107 technical specifications and user reviews to see how this product ranks in the Motherboards category and whether it is worth buying.

7.3

Overall score

What it is: An overall evaluation of the motherboard's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best motherboards on the market.

Score components:

90.0%

7.2

Technical Score

10.0%

7.8

User score

Very good
7.2

Technical Score

What it is: An assessment of technical performance for products in the Motherboards category across these key areas: Platform & Features, Memory, Storage, Expansion, Ports & USB, Network, Audio, Power & Cooling.

When it matters: When you want to compare motherboards based on technical performance and available features.

Score components:

19.0%

9.2

Memory

16.0%

9.2

Platform & Features

16.0%

6.6

Storage

15.0%

8.4

Network

13.0%

3.5

Ports & USB

8.0%

4.6

Expansion

8.0%

6.3

Power & Cooling

5.0%

7.5

Audio

Very good
7.8

User score

What it is: A rating that combines user reviews and the total number of reviews received by the motherboard.

When it matters: When you want to understand how a motherboard performs in real-world builds and how reliable it is in terms of stability, BIOS usability, connectivity, and long-term ownership.

Score components:

70.0%

9.2

User reviews

30.0%

4.6

Popularity

User score:
United Kingdom
amazon
4.6
(15)
United States
Amazon_logo.png
4.6
(15)

(Reviews last updated: May 2026)

Very good
  • 6.6
    Gaming

    Score components:

    28.0%

    6.3

    VRM phases

    22.0%

    5.5

    N. of M.2 sockets

    18.0%

    10

    LAN speed

    17.0%

    10

    Maximum RAM speed

    15.0%

    1.0

    N. of PCIe 5.0 x16 slots

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Best rankings

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Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Gigabyte B840M DS3H is a compact Micro-ATX motherboard designed for the AMD AM5 socket, supporting Ryzen 7000, 8000, and 9000 series processors. It features a digital 8+2+2 phases VRM solution, four DDR5 DIMM slots supporting dual-channel memory up to 8200MT/s (O.C.), and ultra-fast storage through two PCIe 4.0 x4 M.2 slots. Connectivity is highlighted by a 2.5GbE LAN port, USB 3.2 Gen 1 Type-C, and triple-display support via one HDMI 2.1 and two DisplayPort 1.4 outputs. Key pros include its future-proof AM5 support, high-speed networking, and DIY-friendly features like EZ-Latch and Q-Flash Plus for BIOS updates without a CPU. However, its compact form factor offers fewer expansion slots than standard ATX boards, and its power delivery may be limited for extreme overclocking of high-end flagship processors.

Technical Specifications of motherboard GIGABYTE B840M DS3H

Technical Score

What it is: An assessment of technical performance for products in the Motherboards category across these key areas: Platform & Features, Memory, Storage, Expansion, Ports & USB, Network, Audio, Power & Cooling.

When it matters: When you want to compare motherboards based on technical performance and available features.

Score components:

19.0%

9.2

Memory

16.0%

9.2

Platform & Features

16.0%

6.6

Storage

15.0%

8.4

Network

13.0%

3.5

Ports & USB

8.0%

4.6

Expansion

8.0%

6.3

Power & Cooling

5.0%

7.5

Audio

7.2
GIGABYTE B840M DS3H has a technical score of 7.23 points, which is higher than that of 63.7% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the motherboard.

When it matters: When you want to understand how a motherboard performs in real-world builds and how reliable it is in terms of stability, BIOS usability, connectivity, and long-term ownership.

Score components:

70.0%

9.2

User reviews

30.0%

4.6

Popularity

User score:
United Kingdom
amazon
4.6
(15)
United States
Amazon_logo.png
4.6
(15)

(Reviews last updated: May 2026)

7.8
GIGABYTE B840M DS3H has a user score of 7.81 points, which is lower than that of 70.5% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by the motherboard.
When it matters: When you prefer a motherboard that has already been bought and reviewed by many other users.
4.6
GIGABYTE B840M DS3H has a popularity of 4.6 points, which is lower than 66% of products in this category.
Ratio quality/price

What it is: An indicator that combines the motherboard's overall rating with its cost.

When it matters: When you are looking for a motherboard that offers a strong balance of features, performance, and price.

Score components:

60.0%

7.3

Overall score

40.0%

10

Price

8.1
GIGABYTE B840M DS3H has a quality-to-price ratio of 8.1 points, which is higher than 68.6% of products in this category.
Brand name
What it is: The brand that makes the motherboard.
When it matters: When you have a brand preference for support, BIOS, or build quality.

Importance: LOW

Gigabyte
CPU socket
What it is: The socket type the motherboard is built to support.
When it matters: When you need the motherboard to match a specific CPU.

Importance: HIGH

AM5
GIGABYTE B840M DS3H uses the AM5 CPU socket, which is more advanced than that of 85.8% of motherboards and equal to that of 14.2% of motherboards.
CPU platform
What it is: The processor platform supported by the motherboard, indicating compatibility with Intel or AMD processors.
When it matters: When choosing a motherboard to match your chosen processor brand (Intel or AMD).

Importance: LOW

Good value: Intel

AMD
GIGABYTE B840M DS3H is built for the AMD CPU platform, which is less common than that of 68.5% of motherboards and equal to that of 31.5% of motherboards.
Chipset
What it is: The chipset that defines the motherboard platform and many of its features.
When it matters: When you compare platform features, connectivity, and CPU support.

Importance: HIGH

AMD B840
GIGABYTE B840M DS3H uses the AMD B840 chipset, which is more advanced than that of 83.8% of motherboards and equal to that of 0.5% of motherboards.
Form factor
What it is: The physical size standard of the motherboard, such as ATX or Micro-ATX.
When it matters: When you need the board to fit a specific case size.

Importance: LOW

microATX
GIGABYTE B840M DS3H has the microATX form factor, which is less versatile than that of 52.2% of motherboards and equal to that of 32.4% of motherboards.
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DDR memory version
What it is: The RAM generation the motherboard supports, such as DDR4 or DDR5.
When it matters: When you need the board to match a certain memory platform.

Importance: HIGH

Good value: DDR5

DDR4
GIGABYTE B840M DS3H uses DDR4 memory, which is newer than that of 13.5% of motherboards and equal to that of 50.8% of motherboards.
Memory slots
What it is: The number of RAM slots on the motherboard.
When it matters: When you want more room for future memory upgrades.

Importance: MEDIUM

Good value: >=4

4
GIGABYTE B840M DS3H has 4 Memory slots, which is more than 21.5% of motherboards and equal to 72.5% of motherboards.
Maximum memory capacity
What it is: The largest total amount of RAM the motherboard supports.
When it matters: When you plan a build with very high memory capacity.

Importance: HIGH

Good value: >=128 GB

256 GB
GIGABYTE B840M DS3H supports up to 256 GB of memory, which is more than 82.9% of motherboards and equal to 16.4% of motherboards.
Memory channels
What it is: The memory channel configuration supported by the motherboard platform.
When it matters: When memory bandwidth matters for your build.

Importance: LOW

2
GIGABYTE B840M DS3H supports 2 memory channels, which is more than 0.2% of motherboards and equal to 92.6% of motherboards.
Maximum RAM speed
What it is: The highest officially supported memory speed for the motherboard.
When it matters: When you choose RAM and want to know the supported speed ceiling.

Importance: LOW

Good value: >=6400 MT/s

8,200 MT/s
GIGABYTE B840M DS3H supports memory speeds up to 8,200 MT/s, which is higher than that of 90.7% of motherboards and equal to that of 2.3% of motherboards.
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N. of M.2 sockets
What it is: The number of M.2 slots available on the motherboard.
When it matters: When you want room for more NVMe or M.2 drives.

Importance: HIGH

Good value: >=3

2
GIGABYTE B840M DS3H has 2 M.2 sockets, which is more than 30.8% of motherboards and equal to 34.4% of motherboards.
M.2 slot interface per slot
What it is: The storage or PCIe interface available for each M.2 slot on the motherboard.
When it matters: When you want to check which drives each M.2 slot can use.

Importance: MEDIUM

2x PCIe 4 x4/x2
GIGABYTE B840M DS3H offers 2x PCIe 4.0x4/x2 for M.2 slot interfaces, which is faster than that of 62.4% of motherboards and equal to that of 1% of motherboards.
N. of SATA 3 connectors
What it is: The number of SATA 6Gb/s connectors on the motherboard.
When it matters: When you plan to connect multiple SATA drives.

Importance: LOW

Good value: >=6

4
GIGABYTE B840M DS3H has 4 SATA 3 connectors, which is more than 5.6% of motherboards and equal to 46.2% of motherboards.
Supported RAID levels
What it is: The RAID modes officially supported by the motherboard storage platform.
When it matters: When you plan to use multiple drives in a RAID setup.

Importance: LOW

0/1/5/10
GIGABYTE B840M DS3H supports RAID levels 0/1/5/10, which is broader than 32% of motherboards and equal to 68% of motherboards.
RAID 5 requires Ryzen 9000 series CPU
NVMe RAID support
What it is: Shows whether the board supports RAID configurations that use NVMe SSDs.
When it matters: When you plan to use multiple NVMe drives in RAID.

Importance: MEDIUM

yes
GIGABYTE B840M DS3H supports NVMe RAID. 40.3% of motherboards support this feature.
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N. of PCIe 5.0 x16 slots
What it is: The number of PCIe 5.0 x16 physical slots on the motherboard.
When it matters: When you want the newest high-bandwidth expansion slots.

Importance: LOW

Good value: >=1

0
GIGABYTE B840M DS3H has 0 PCIe 5.0x16 slots, which is fewer than 31.5% of motherboards and equal to 68.5% of motherboards.
N. of PCIe 4.0 x16 slots
What it is: The number of PCIe 4.0 x16 physical slots on the motherboard.
When it matters: When you want more room for modern expansion cards.

Importance: LOW

Good value: >=1

1
GIGABYTE B840M DS3H has 1 PCIe 4.0x16 slots, which is more than 55.5% of motherboards and equal to 35.4% of motherboards.
N. of PCIe 3.0 x16 slots
What it is: The number of PCIe 3.0 x16 physical slots on the motherboard.
When it matters: When you need more full-length expansion slots.

Importance: LOW

0
GIGABYTE B840M DS3H has 0 PCIe 3.0x16 slots, which is fewer than 59.6% of motherboards and equal to 40.4% of motherboards.
PCIe slot electrical configuration
What it is: The actual lane wiring used by the motherboard PCIe slots.
When it matters: When you need to know how much bandwidth each slot really gets.

Importance: LOW

x16/x0/x4
GIGABYTE B840M DS3H uses x16/x0/x4 for PCIe slot electrical configuration, which is more flexible than that of 51% of motherboards and equal to that of 9.6% of motherboards.
PCIe bifurcation support
What it is: Shows whether the board can split PCIe lanes across multiple devices from one slot or link.
When it matters: When you plan multi-SSD adapters or more advanced expansion setups.

Importance: LOW

Good value: yes

no
GIGABYTE B840M DS3H does not support PCIe bifurcation. 59.7% of motherboards support this feature.
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Total USB ports (rear I/O)
What it is: The total number of rear USB ports available on the motherboard.
When it matters: When you use many USB devices directly from the back of the PC.

Importance: HIGH

Good value: >=8

7
GIGABYTE B840M DS3H has 7 USB ports (rear I/O), which is fewer than 59.8% of motherboards and equal to 4.4% of motherboards.
Total USB ports (including headers)
What it is: The total number of USB ports supported when rear ports and internal headers are counted together.
When it matters: When you want to know the board's full USB expansion potential.

Importance: MEDIUM

Good value: >=14

14
GIGABYTE B840M DS3H has 14 USB ports (including headers), which is fewer than 52.5% of motherboards and equal to 12.4% of motherboards.
Total USB-C ports (rear I/O)
What it is: The total number of rear USB-C ports on the motherboard.
When it matters: When you want more USB-C devices connected without adapters.

Importance: MEDIUM

Good value: >=1

1
GIGABYTE B840M DS3H has 1 USB-C ports (rear I/O), which is more than 35.5% of motherboards and equal to 48.7% of motherboards.
Total USB-C ports (including headers)
What it is: The total number of USB-C ports supported when rear ports and internal headers are counted together.
When it matters: When you want more USB-C connectivity across the whole build.

Importance: LOW

Good value: >=2

2
GIGABYTE B840M DS3H has 2 USB-C ports (including headers), which is more than 51.7% of motherboards and equal to 32.9% of motherboards.
N. of USB 3.2 Gen2x2 ports (USB-C)
What it is: The number of rear USB 3.2 Gen2x2 Type-C ports on the motherboard.
When it matters: When you want very fast USB-C connectivity on the rear I/O.

Importance: LOW

Good value: >=1

0
GIGABYTE B840M DS3H has 0 USB 3.2 Gen2x2 ports (USB-C), which is fewer than 18.3% of motherboards and equal to 81.7% of motherboards.
Show more
LAN speed
What it is: The maximum wired Ethernet speed supported by the motherboard.
When it matters: When you want faster wired networking.

Importance: HIGH

Good value: 2.5GbE

2.5 Gbps
GIGABYTE B840M DS3H supports LAN speeds up to 2.5 Gbps, which is higher than that of 49.3% of motherboards and equal to that of 41.4% of motherboards.
LAN controller
What it is: The model of onboard Ethernet controller used by the motherboard.
When it matters: When you compare networking hardware quality and features.

Importance: MEDIUM

Killer + Intel + Realtek
GIGABYTE B840M DS3H uses the Killer + Intel + Realtek LAN controller, which is less advanced than that of 64.6% of motherboards and equal to that of 28.7% of motherboards.
N. of RJ45 ports
What it is: The number of wired Ethernet ports on the motherboard.
When it matters: When you need one or more wired network connections.

Importance: MEDIUM

1
GIGABYTE B840M DS3H has 1 RJ45 ports, which is fewer than 14.4% of motherboards and equal to 85.6% of motherboards.
Wi-Fi connectivity
What it is: Shows whether the motherboard includes onboard Wi-Fi hardware instead of requiring a separate adapter.
When it matters: When you want wireless networking without adding an extra card.

Importance: LOW

Good value: yes

yes
GIGABYTE B840M DS3H supports Wi-Fi connectivity. 50% of motherboards support this feature.
Wi-Fi 6.
Wi-Fi version
What it is: The supported Wi-Fi generation, such as Wi-Fi 6 or Wi-Fi 7.
When it matters: When you care about wireless speed and router compatibility.

Importance: HIGH

Good value: Wi-Fi 6E (802.11ax)

Wi-Fi 6 (802.11ax)
GIGABYTE B840M DS3H supports Wi-Fi 6 (802.11ax), which is newer than that of 60.5% of motherboards and equal to that of 11.6% of motherboards.
Show more
Audio codec
What it is: The onboard audio codec used by the motherboard.
When it matters: When sound quality from the built-in audio matters to you.

Importance: MEDIUM

Realtek ALC897
GIGABYTE B840M DS3H uses the Realtek ALC897 audio codec, which is less advanced than that of 50.3% of motherboards and equal to that of 29.2% of motherboards.
Audio channels
What it is: The audio channel configuration supported by the onboard sound solution.
When it matters: When you want surround sound from the motherboard audio outputs.

Importance: LOW

Good value: 7.1

7.1
GIGABYTE B840M DS3H offers 7.1 audio channels, which is more than 4.9% of motherboards and equal to 95.1% of motherboards.
Audio SNR
What it is: The signal-to-noise ratio of the onboard audio solution.
When it matters: When you care about cleaner onboard audio output.

Importance: LOW

Good value: >=120 dB

?
Headphone amp support
What it is: Shows whether the onboard audio path includes dedicated headphone amplification for harder-to-drive headsets.
When it matters: When you use harder-to-drive headphones from the onboard audio.

Importance: LOW

Good value: yes

no
GIGABYTE B840M DS3H does not support a headphone amp. 59.3% of motherboards support this feature.
N. of 3.5mm audio jacks
What it is: The number of rear 3.5mm audio jacks on the motherboard.
When it matters: When you want more analog audio connection options.

Importance: LOW

Good value: >=5

3
GIGABYTE B840M DS3H has 3 3.5mm audio jacks, which is fewer than 50.4% of motherboards and equal to 38.1% of motherboards.
Show more
VRM phases
What it is: The number of power-delivery phases used by the motherboard VRM.
When it matters: When you care about CPU power delivery and overclocking headroom.

Importance: MEDIUM

Good value: >=12

8+2+2
GIGABYTE B840M DS3H has 8+2+2 VRM phases, which is more than 52.6% of motherboards and equal to 0.6% of motherboards.
N. of CPU power connectors
What it is: The number of CPU power connectors on the motherboard.
When it matters: When you care about power delivery for higher-end CPUs.

Importance: LOW

Good value: >=2

1
GIGABYTE B840M DS3H has 1 CPU power connectors, which is fewer than 45.5% of motherboards and equal to 54.5% of motherboards.
N. of fan headers
What it is: The number of headers available for case or CPU fans.
When it matters: When your build uses several fans.

Importance: LOW

Good value: >=6

4
GIGABYTE B840M DS3H has 4 fan headers, which is fewer than 64.7% of motherboards and equal to 12.4% of motherboards.
Pump header
What it is: Shows whether the motherboard includes a dedicated header designed for a liquid-cooling pump.
When it matters: When you build with an AIO or custom liquid cooling loop.

Importance: LOW

Good value: yes

yes
GIGABYTE B840M DS3H has a pump header. 21.9% of motherboards include this feature.
Pump header max current
What it is: The maximum current the dedicated pump header can supply.
When it matters: When you want to make sure the pump header can power your cooling setup.

Importance: LOW

Good value: >=2 A

2 A
GIGABYTE B840M DS3H supports up to 2 A on the pump header, which is higher than that of 45.4% of motherboards and equal to that of 32.4% of motherboards.
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GIGABYTE B840M DS3H vs the average motherboard

  • Newer CPU socket
    GIGABYTE B840M DS3H has newer CPU socket than the average motherboard (AM5 vs LGA 1,151). The average motherboard uses LGA 1,151 CPU socket.
    What it is: The socket type the motherboard is built to support.
    When it matters: When you need the motherboard to match a specific CPU.

    Importance: HIGH

    GIGABYTE B840M DS3H has newer CPU socket than the average motherboard (AM5 vs LGA 1,151). The average motherboard uses LGA 1,151 CPU socket.AM5 vs LGA 1151
  • 2x more maximum memory capacity
    GIGABYTE B840M DS3H has more maximum memory capacity than the average motherboard (256 GB vs 128 GB). The average motherboard supports 128 GB of memory.
    What it is: The largest total amount of RAM the motherboard supports.
    When it matters: When you plan a build with very high memory capacity.

    Importance: HIGH

    Good value: >=128 GB

    GIGABYTE B840M DS3H has more maximum memory capacity than the average motherboard (256 GB vs 128 GB). The average motherboard supports 128 GB of memory.256 GB vs 128 GB
  • Integrated I/O shield
    GIGABYTE B840M DS3H has an integrated I/O shield, while the average motherboard does not. 46% of motherboards include an integrated I/O shield.
    Pre-installed I/O shield.
    What it is: Shows whether the rear I/O shield comes pre-mounted on the motherboard instead of being installed separately.
    When it matters: When you want an easier motherboard installation process.

    Importance: LOW

    Good value: yes

    GIGABYTE B840M DS3H has an integrated I/O shield, while the average motherboard does not. 46% of motherboards include an integrated I/O shield.
  • 1 more PCIe 4.0x16 slots
    GIGABYTE B840M DS3H has more PCIe 4.0x16 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe 4.0x16 slot/s.
    What it is: The number of PCIe 4.0 x16 physical slots on the motherboard.
    When it matters: When you want more room for modern expansion cards.

    Importance: LOW

    Good value: >=1

    GIGABYTE B840M DS3H has more PCIe 4.0x16 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe 4.0x16 slot/s.1 vs 0
  • 1 more PCIe x4 slots
    GIGABYTE B840M DS3H has more PCIe x4 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe x4 slot/s.
    What it is: The number of PCIe x4 slots on the motherboard.
    When it matters: When you need more mid-bandwidth expansion slots.

    Importance: LOW

    GIGABYTE B840M DS3H has more PCIe x4 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe x4 slot/s.1 vs 0
  • 73.3% higher maximum RAM speed
    GIGABYTE B840M DS3H has a higher maximum RAM speed than the average motherboard (8,200 MT/s vs 4,733 MT/s). The average motherboard supports RAM speed of 4,733 MT/s.
    What it is: The highest officially supported memory speed for the motherboard.
    When it matters: When you choose RAM and want to know the supported speed ceiling.

    Importance: LOW

    Good value: >=6400 MT/s

    GIGABYTE B840M DS3H has a higher maximum RAM speed than the average motherboard (8,200 MT/s vs 4,733 MT/s). The average motherboard supports RAM speed of 4,733 MT/s.8200 MT/s vs 4733 MT/s
  • Includes dual BIOS
    GIGABYTE B840M DS3H has dual BIOS, while the average motherboard does not. 23% of motherboards include dual BIOS.
    What it is: Shows whether the motherboard includes two BIOS chips for redundancy or recovery.
    When it matters: When BIOS safety and recovery matter to you.

    Importance: LOW

    Good value: yes

    GIGABYTE B840M DS3H has dual BIOS, while the average motherboard does not. 23% of motherboards include dual BIOS.
  • Newer Wi-Fi standard
    GIGABYTE B840M DS3H has newer Wi-Fi standard than the average motherboard (Wi-Fi 6 (802.11ax) vs Wi-Fi 5 (802.11ac)). The average motherboard supports Wi-Fi 5 (802.11ac) Wi-Fi.
    What it is: The supported Wi-Fi generation, such as Wi-Fi 6 or Wi-Fi 7.
    When it matters: When you care about wireless speed and router compatibility.

    Importance: HIGH

    Good value: Wi-Fi 6E (802.11ax)

    GIGABYTE B840M DS3H has newer Wi-Fi standard than the average motherboard (Wi-Fi 6 (802.11ax) vs Wi-Fi 5 (802.11ac)). The average motherboard supports Wi-Fi 5 (802.11ac) Wi-Fi.Wi-Fi 6 (802.11ax) vs Wi-Fi 5 (802.11ac)
  • Newer CPU socket
    GIGABYTE B840M DS3H has newer CPU socket than the average motherboard (AM5 vs LGA 1,151). The average motherboard uses LGA 1,151 CPU socket.
  • Integrated I/O shield
    GIGABYTE B840M DS3H has an integrated I/O shield, while the average motherboard does not. 46% of motherboards include an integrated I/O shield.
  • Includes dual BIOS
    GIGABYTE B840M DS3H has dual BIOS, while the average motherboard does not. 23% of motherboards include dual BIOS.
  • 2x more maximum memory capacity
    GIGABYTE B840M DS3H has more maximum memory capacity than the average motherboard (256 GB vs 128 GB). The average motherboard supports 128 GB of memory.
  • 73.3% higher maximum RAM speed
    GIGABYTE B840M DS3H has a higher maximum RAM speed than the average motherboard (8,200 MT/s vs 4,733 MT/s). The average motherboard supports RAM speed of 4,733 MT/s.
  • 66.2% higher overclocked RAM speed
    GIGABYTE B840M DS3H has a higher overclocked RAM speed than the average motherboard (8,200 MT/s vs 4,933 MT/s). The average motherboard supports overclocked RAM speed of 4,933 MT/s.
  • 1 more PCIe 4.0x16 slots
    GIGABYTE B840M DS3H has more PCIe 4.0x16 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe 4.0x16 slot/s.
  • 1 more PCIe x4 slots
    GIGABYTE B840M DS3H has more PCIe x4 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe x4 slot/s.
  • 1 more total USB-C connections
    GIGABYTE B840M DS3H has more total USB-C connections than the average motherboard (2 vs 1). The average motherboard has 1 total USB-C connections.
  • 1 more DisplayPort outputs
    GIGABYTE B840M DS3H has more DisplayPort outputs than the average motherboard (2 vs 1). The average motherboard has 1 DisplayPort outputs.
  • 2 more USB 2.0 ports
    GIGABYTE B840M DS3H has more USB 2.0 ports than the average motherboard (4 vs 2). The average motherboard has 2 USB 2.0 port/s.
  • Newer Wi-Fi standard
    GIGABYTE B840M DS3H has newer Wi-Fi standard than the average motherboard (Wi-Fi 6 (802.11ax) vs Wi-Fi 5 (802.11ac)). The average motherboard supports Wi-Fi 5 (802.11ac) Wi-Fi.
  • 61 mm shorter
    GIGABYTE B840M DS3H is shorter than the average motherboard (244 mm vs 305 mm). The average motherboard height is 305 mm.

Total
Overall
Platform & Features
Memory
Expansion
Ports & USB
Network
Power & Cooling
  • No debug LED indicators
    GIGABYTE B840M DS3H does not have debug LED indicators, while the average motherboard does. 78.7% of motherboards include debug LED indicators.
  • No automatic overclocking
    GIGABYTE B840M DS3H does not support automatic overclocking, while the average motherboard does. 74.2% of motherboards support automatic overclocking.
    memory auto-OC only
  • Older CPU platform
    GIGABYTE B840M DS3H uses the AMD CPU platform compared to Intel on the average motherboard. The average motherboard uses Intel CPU platform.
  • Less versatile form factor
    GIGABYTE B840M DS3H has less versatile form factor than the average motherboard (microATX vs ATX). The average motherboard comes in ATX form factor.
  • More basic motherboard chipset
    GIGABYTE B840M DS3H has more basic motherboard chipset than the average motherboard (AMD B840 vs Intel B860). The average motherboard uses Intel B860 chipset.
  • Slower M.2 slot interfaces
    GIGABYTE B840M DS3H has slower M.2 slot interfaces than the average motherboard (2x PCIe 4.0x4/x2 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.
  • No PCIe bifurcation support
    GIGABYTE B840M DS3H does not support PCIe bifurcation, while the average motherboard does. 59.7% of motherboards support PCIe bifurcation.
  • No multi-GPU support
    GIGABYTE B840M DS3H does not support multi-GPU, while the average motherboard does. 54.6% of motherboards support multi-GPU.
  • 1 fewer PCIe x1 slots
    GIGABYTE B840M DS3H has fewer PCIe x1 slots than the average motherboard (0 vs 1). The average motherboard has 1 PCIe x1 slot/s.
  • Less flexible PCIe lane configuration
    GIGABYTE B840M DS3H has less flexible PCIe lane configuration than the average motherboard (x16/x0/x4 vs x16/x0/x4, x8/x8/x4). The average motherboard uses x16/x0/x4, x8/x8/x4 PCIe slot lane configuration.
  • 1 fewer PCIe 3.0x16 slots
    GIGABYTE B840M DS3H has fewer PCIe 3.0x16 slots than the average motherboard (0 vs 1). The average motherboard has 1 PCIe 3.0x16 slot/s.
  • 1 fewer USB 3.2 Gen2 ports
    GIGABYTE B840M DS3H has fewer USB 3.2 Gen2 ports than the average motherboard (0 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.
  • 2 fewer USB 3.2 Gen1 ports
    GIGABYTE B840M DS3H has fewer USB 3.2 Gen1 ports than the average motherboard (2 vs 4). The average motherboard has 4 USB 3.2 Gen1 port/s.
  • 1 fewer rear USB ports
    GIGABYTE B840M DS3H has fewer rear USB ports than the average motherboard (7 vs 8). The average motherboard has 8 rear USB port/s.
  • 1 fewer total USB connections
    GIGABYTE B840M DS3H has fewer total USB connections than the average motherboard (14 vs 15). The average motherboard has 15 total USB connections.
  • No headphone amp support
    GIGABYTE B840M DS3H does not support a headphone amp, while the average motherboard does. 59.2% of motherboards support a headphone amp.
  • 2 fewer 3.5mm audio jacks
    GIGABYTE B840M DS3H has fewer 3.5mm audio jacks than the average motherboard (3 vs 5). The average motherboard has 5 3.5mm audio jacks.
  • No optical S/PDIF out
    GIGABYTE B840M DS3H does not have optical S/PDIF out, while the average motherboard does. 55.8% of motherboards include optical S/PDIF out.
  • 1.5 fewer fan headers
    GIGABYTE B840M DS3H has fewer fan headers than the average motherboard (4 vs 5.5). The average motherboard has 5.5 fan header/s.
  • No onboard RGB lighting
    GIGABYTE B840M DS3H does not have onboard RGB lighting, while the average motherboard does. 50.4% of motherboards include onboard RGB lighting.
  • Slower M.2 slot interfaces
    GIGABYTE B840M DS3H has slower M.2 slot interfaces than the average motherboard (2x PCIe 4.0x4/x2 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.
    What it is: The storage or PCIe interface available for each M.2 slot on the motherboard.
    When it matters: When you want to check which drives each M.2 slot can use.

    Importance: MEDIUM

    GIGABYTE B840M DS3H has slower M.2 slot interfaces than the average motherboard (2x PCIe 4.0x4/x2 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.2x PCIe 4x4/x2 vs 1x PCIe 5x4, 2x PCIe 4x4
  • No PCIe bifurcation support
    GIGABYTE B840M DS3H does not support PCIe bifurcation, while the average motherboard does. 59.7% of motherboards support PCIe bifurcation.
    What it is: Shows whether the board can split PCIe lanes across multiple devices from one slot or link.
    When it matters: When you plan multi-SSD adapters or more advanced expansion setups.

    Importance: LOW

    Good value: yes

    GIGABYTE B840M DS3H does not support PCIe bifurcation, while the average motherboard does. 59.7% of motherboards support PCIe bifurcation.
  • 1 fewer USB 3.2 Gen2 ports
    GIGABYTE B840M DS3H has fewer USB 3.2 Gen2 ports than the average motherboard (0 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.
    What it is: The number of rear USB 3.2 Gen2 Type-A ports on the motherboard.
    When it matters: When you want faster USB-A ports for storage or accessories.

    Importance: MEDIUM

    Good value: >=2

    GIGABYTE B840M DS3H has fewer USB 3.2 Gen2 ports than the average motherboard (0 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.0 vs 1
  • 2 fewer USB 3.2 Gen1 ports
    GIGABYTE B840M DS3H has fewer USB 3.2 Gen1 ports than the average motherboard (2 vs 4). The average motherboard has 4 USB 3.2 Gen1 port/s.
    What it is: The number of rear USB 3.2 Gen1 Type-A ports on the motherboard.
    When it matters: When you want more standard USB ports with faster transfer speeds.

    Importance: LOW

    Good value: >=4

    GIGABYTE B840M DS3H has fewer USB 3.2 Gen1 ports than the average motherboard (2 vs 4). The average motherboard has 4 USB 3.2 Gen1 port/s.2 vs 4
  • No multi-GPU support
    GIGABYTE B840M DS3H does not support multi-GPU, while the average motherboard does. 54.6% of motherboards support multi-GPU.
    What it is: Shows whether the board can run more than one graphics card in a supported multi-GPU configuration.
    When it matters: When you plan to run more than one graphics card.

    Importance: LOW

    Good value: yes

    GIGABYTE B840M DS3H does not support multi-GPU, while the average motherboard does. 54.6% of motherboards support multi-GPU.
  • No headphone amp support
    GIGABYTE B840M DS3H does not support a headphone amp, while the average motherboard does. 59.2% of motherboards support a headphone amp.
    What it is: Shows whether the onboard audio path includes dedicated headphone amplification for harder-to-drive headsets.
    When it matters: When you use harder-to-drive headphones from the onboard audio.

    Importance: LOW

    Good value: yes

    GIGABYTE B840M DS3H does not support a headphone amp, while the average motherboard does. 59.2% of motherboards support a headphone amp.
  • 1 fewer rear USB ports
    GIGABYTE B840M DS3H has fewer rear USB ports than the average motherboard (7 vs 8). The average motherboard has 8 rear USB port/s.
    What it is: The total number of rear USB ports available on the motherboard.
    When it matters: When you use many USB devices directly from the back of the PC.

    Importance: HIGH

    Good value: >=8

    GIGABYTE B840M DS3H has fewer rear USB ports than the average motherboard (7 vs 8). The average motherboard has 8 rear USB port/s.7 vs 8
  • No debug LED indicators
    GIGABYTE B840M DS3H does not have debug LED indicators, while the average motherboard does. 78.7% of motherboards include debug LED indicators.
    What it is: Shows whether the motherboard includes status LEDs that help identify boot or hardware problems.
    When it matters: When you want quicker help finding boot or hardware issues.

    Importance: LOW

    Good value: yes

    GIGABYTE B840M DS3H does not have debug LED indicators, while the average motherboard does. 78.7% of motherboards include debug LED indicators.
Total
Overall
Platform & Features
Storage
Expansion
Ports & USB
Audio
Power & Cooling

Graphic comparison of GIGABYTE B840M DS3H and other products in the Motherboards category

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Third-party reviews

United Kingdom
amazon
4.6
15 Reviews
United States
Amazon_logo.png
4.6
15 Reviews

(Reviews last updated: May 2026)

What customers like about GIGABYTE B840M DS3H?

  • Broad CPU support including AMD Ryzen 7000, 8000, and 9000 series
  • Modern connectivity features like 2.5GbE LAN and USB-C support
  • Easy BIOS updates via Q-Flash Plus without needing a CPU or RAM installed
  • Compact Micro-ATX form factor suitable for smaller builds
  • Strong memory capacity supporting up to 256GB of DDR5 RAM
  • Multiple video outputs (HDMI 2.1 and dual DisplayPort) for triple-display setups

What customers dislike about GIGABYTE B840M DS3H?

  • Limited VRM power delivery which may throttle high-end Ryzen CPUs
  • Reduced expandability and physical space compared to full ATX motherboards
  • High-speed DDR5 stability (above 8000 MT/s) may be inconsistent depending on the setup
  • Basic audio codec (Realtek ALC897) compared to higher-end board offerings
  • Limited PCIe expansion slots once a multi-slot GPU is installed

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