Scored using Motherboards Methodology v3.0
Motherboards Methodology v3.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Motherboards Methodology v3.0: the technical score from the specifications is the base, and independent expert and video reviews (up to ±0.5 points), owner opinions (up to ±0.3) and best-of lists (up to +0.3) move it up or down.
Explore Motherboards Methodology v3.0

GIGABYTE B840M DS3H review: 109 specs compared

Avg. price:~£95CPU socket:AM5Chipset:AMD B840Form factor:microATX

GIGABYTE B840M DS3H Review: Compare 109 technical specifications and 1 best-of list to see how this product ranks in the Motherboards category and whether it is worth buying.

GIGABYTE B840M DS3H
7.0/10

Overall score

Score
7.0/ 10
✕
What it is
Our main score for this model, 1–10. It combines specs, expert reviews, best-of lists, owners and ratings from across the web.
How we count it
Parts: Technical score 40%, Reviews score 20%, List score 20%, Sentiment score 10%, User score 10%
Marks: Each part gets a mark out of 10. For reviews, lists and owners, a typical model in this category gets about 8 and the best one gets 10.
No data yet: A part with no data shows "?". It counts as the mark of a weaker model in this category (4 in 5 models with data score higher). This way, models with reviews, lists and owners usually come out ahead.
Score distribution
▼
<55-66-77-88-99-10
Score components

40%

6.8

Technical score

20%

?

Reviews scoreNot enough data yet, so we use 7.8, the mark of a weaker model in this category

20%

6.8

List score

10%

?

Sentiment scoreNot enough data yet, so we use 7.0, the mark of a weaker model in this category

10%

6.8

User score

▲Better than 53% of motherboards
7.9

Value for money

Value for money
7.9/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
Score components

70%

7.0

Overall score

30%

10

Price

▲Better than 59%
6.8

Technical score

Technical score
6.8/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 40% of the overall score.
Score distribution
▼
<55-66-77-88-99-10
Score components

19%

9.2

Memory

16%

9.1

Platform

16%

5.5

Storage

15%

7.5

Network

13%

3.4

Ports

8%

3.8

Expansion

8%

6.3

Power & Cooling

5%

7.3

Audio

▲Better than 64%
?

Reviews score

Reviews score
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.8 for now.
Share: Reviews count 20% of the overall score.
Score distribution
▼
<55-66-77-88-99-10
Grades by review (0)
We have not found an independent test of this model yet. Until we do, its review part counts as 7.8.
Ratings from across the web count in the User score, not in this score.
No expert tests yet
6.8

User score

User score
6.8/ 10
✕
What it is
How happy buyers are with this model, based on ratings from across the web.
How we count it
Enough data: A model needs at least 1 rating from across the web. Without one, it counts as 7.9, the mark of a weaker rated model in this category.
Share: User score counts 10% of the overall score.
Score distribution
▼
<55-66-77-88-99-10

6.8

Mark 8.4 is below the typical mark 8.4 of this category, so it cannot lift the score above the technical score

70%

9.0

Rating

30%

6.9

Popularity

▼Worse than 67%
6.8

List score

List score
6.8/ 10
✕
What it is
How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
How we count it
Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 20% of the overall score.
Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
Lists with this model (1)
List score: in 1 of 62 lists (2%)
▲Better than 88%
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Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of motherboard GIGABYTE B840M DS3H

Technical score
Technical score
6.8/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 40% of the overall score.
Score distribution
▼
<55-66-77-88-99-10
Score components:

19%

9.2

Memory

16%

9.1

Platform

16%

5.5

Storage

15%

7.5

Network

13%

3.4

Ports

8%

3.8

Expansion

8%

6.3

Power & Cooling

5%

7.3

Audio

6.8
Reviews score
7.8
User score
6.8
List score
6.8
Value for money
Value for money
7.9/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
Score components:

70%

7.0

Overall score

30%

10

Price

7.9
CPU socket
AM5
This motherboard uses AM5, which is more up-to-date than 85.5% of Motherboards and the same as 14.5% of Motherboards.
CPU platform
AMD
Chipset
AMD B840
This motherboard uses AMD B840, which is more capable than 83.3% of Motherboards and as capable as 0.5% of Motherboards.
Form factor
microATX
Integrated graphics support
yes
This motherboard supports integrated graphics. 10.2% of motherboards support this feature.
Rear outputs: HDMI + DisplayPort.
Show more
DDR memory version
DDR4
This motherboard uses DDR4, which is more modern than 13.4% of Motherboards and the same as 50.4% of Motherboards.
Memory slots
4
This motherboard has 4 Memory slots, which is more than 21.9% of motherboards and equal to 72% of motherboards.
Maximum memory capacity
256 GB
This motherboard supports up to 256 GB of memory, which is more than 82.5% of motherboards and equal to 16.7% of motherboards.
Memory channels
2
Maximum RAM speed
8,200 MT/s
This motherboard supports memory speeds up to 8,200 MT/s, which is higher than that of 90.6% of motherboards and equal to that of 2.5% of motherboards.
Show more
N. of M.2 sockets
2
This motherboard has 2 M.2 sockets, which is more than 30.5% of motherboards and equal to 34.5% of motherboards.
M.2 slot interface per slot
2x PCIe 4.0 x4/x2
This motherboard offers M.2 slots: 2x PCIe 4.0x4/x2, which is faster than 62.3% of Motherboards and the same as 1% of Motherboards.
N. of SATA 3 connectors
4
This motherboard has 4 SATA 3 connectors, which is more than 6.1% of motherboards and equal to 46.8% of motherboards.
Supported RAID levels
0/1/5/10
This motherboard RAID support: 0/1/5/10, which is more flexible than 32.5% of Motherboards and the same as 67.5% of Motherboards.
RAID 5 requires Ryzen 9,000 series CPU
NVMe RAID support
yes
This motherboard supports NVMe RAID. 40.2% of motherboards support this feature.
Show more
N. of PCIe 5.0 x16 slots
0
This motherboard has 0 PCIe 5.0x16 slots, which is fewer than 31.6% of motherboards and equal to 68.4% of motherboards.
N. of PCIe 4.0 x16 slots
1
This motherboard has 1 PCIe 4.0x16 slots, which is more than 55.2% of motherboards and equal to 35.7% of motherboards.
N. of PCIe 3.0 x16 slots
0
This motherboard 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
x16/x0/x4
This motherboard splits its PCIe lanes as x16/x0/x4, which is more generous than 51% of Motherboards and the same as 9.6% of Motherboards.
PCIe bifurcation support
no
This motherboard does not support PCIe bifurcation. 59.8% of motherboards support this feature.
Show more
Total USB ports (rear I/O)
7
This motherboard has 7 USB ports (rear I/O), which is fewer than 59.4% of motherboards and equal to 4.4% of motherboards.
Total USB ports (including headers)
14
This motherboard has 14 USB ports (including headers), which is fewer than 52.3% of motherboards and equal to 12.4% of motherboards.
Total USB-C ports (rear I/O)
1
This motherboard has 1 USB-C ports (rear I/O), which is more than 35.8% of motherboards and equal to 48.3% of motherboards.
Total USB-C ports (including headers)
2
This motherboard has 2 USB-C ports (including headers), which is more than 51.7% of motherboards and equal to 33% of motherboards.
N. of USB 3.2 Gen2x2 ports (USB-C)
0
This motherboard has 0 USB 3.2 Gen2x2 ports (USB-C), which is fewer than 18% of motherboards and equal to 82% of motherboards.
Show more
LAN speed
2.5 Gbps
This motherboard supports LAN speeds up to 2.5 Gbps, which is higher than that of 49% of motherboards and equal to that of 41.4% of motherboards.
LAN controller
Killer + Intel + Realtek
This motherboard has a Killer + Intel + Realtek LAN controller, which is slower than 64.6% of Motherboards and equal to 28.7% of Motherboards.
N. of RJ45 ports
1
This motherboard has 1 RJ45 ports, which is fewer than 14.4% of motherboards and equal to 85.6% of motherboards.
Wi-Fi connectivity
yes
This motherboard supports Wi-Fi connectivity. 50% of motherboards support this feature.
Wi-Fi 6.
Wi-Fi version
Wi-Fi 6 (802.11ax)
This motherboard uses Wi-Fi 6 (802.11ax), which is newer than 60.3% of Motherboards and the same as 11.2% of Motherboards.
Show more
Audio codec
Realtek ALC897
This motherboard uses Realtek ALC897, which is higher-end than 20.2% of Motherboards and the same as 29.9% of Motherboards.
Audio channels
7.1
This motherboard offers 7.1 audio channels, which is more than 4.7% of motherboards and equal to 95.3% of motherboards.
Audio SNR
?
Headphone amp support
no
This motherboard does not support a headphone amp. 58.8% of motherboards support this feature.
N. of 3.5mm audio jacks
3
This motherboard has 3 3.5mm audio jacks, which is more than 11.3% of motherboards and equal to 39.3% of motherboards.
Show more
VRM phases
8+2+2
This motherboard 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
1
This motherboard has 1 CPU power connectors, which is fewer than 45.2% of motherboards and equal to 54.9% of motherboards.
N. of fan headers
4
This motherboard has 4 fan headers, which is fewer than 64.7% of motherboards and equal to 12.4% of motherboards.
Pump header
yes
This motherboard has a pump header. 22.1% of motherboards include this feature.
Pump header max current
2 A
This motherboard supports up to 2 A on the pump header, which is higher than that of 45.1% of motherboards and equal to that of 32.6% of motherboards.
Show more

GIGABYTE B840M DS3H vs the average motherboard

246810TotalPlatformMemoryStorageExpansionPortsNetworkAudioPower & Cooling
  • More up-to-date socket
    This motherboard uses a more up-to-date socket than the average motherboard (AM5 vs LGA 1151).
    AM5 vs LGA 1,151
  • 2x more maximum memory capacity
    This motherboard 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
    This motherboard has an integrated I/O shield, while the average motherboard does not. 46.6% of motherboards include an integrated I/O shield.
    Pre-installed I/O shield.
  • Includes dual BIOS
    This motherboard has dual BIOS, while the average motherboard does not. 22.4% of motherboards include dual BIOS.
  • 1 more PCIe 4.0x16 slots
    This motherboard 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
    This motherboard has more PCIe x4 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe x4 slot/s.
    1 vs 0
  • 74.5% higher maximum RAM speed
    This motherboard has a higher maximum RAM speed than the average motherboard (8,200 MT/s vs 4,699.5 MT/s). The average motherboard supports RAM speed of 4,699.5 MT/s.
    8,200 MT/s vs 4,699.5 MT/s
  • 1 more USB 3.2 Gen1 USB-C ports
    This motherboard has more USB 3.2 Gen1 USB-C ports than the average motherboard (1 vs 0). The average motherboard has 0 USB 3.2 Gen1 USB-C port/s.
    1 vs 0
  • 57.9% cheaper
    GIGABYTE B840M DS3H is cheaper than the average motherboard (£95 vs £150).
    £95 vs £150
  • More up-to-date socket
    This motherboard uses a more up-to-date socket than the average motherboard (AM5 vs LGA 1151).
    AM5 vs LGA 1,151
  • Integrated I/O shield
    This motherboard has an integrated I/O shield, while the average motherboard does not. 46.6% of motherboards include an integrated I/O shield.
    Pre-installed I/O shield.
  • Includes dual BIOS
    This motherboard has dual BIOS, while the average motherboard does not. 22.4% of motherboards include dual BIOS.
  • 2x more maximum memory capacity
    This motherboard 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
  • 74.5% higher maximum RAM speed
    This motherboard has a higher maximum RAM speed than the average motherboard (8,200 MT/s vs 4,699.5 MT/s). The average motherboard supports RAM speed of 4,699.5 MT/s.
    8,200 MT/s vs 4,699.5 MT/s
  • 64% higher overclocked RAM speed
    This motherboard has a higher overclocked RAM speed than the average motherboard (8,200 MT/s vs 5,000 MT/s). The average motherboard supports overclocked RAM speed of 5,000 MT/s.
    8,200 MT/s vs 5,000 MT/s
  • 1 more PCIe 4.0x16 slots
    This motherboard 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
    This motherboard has more PCIe x4 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe x4 slot/s.
    1 vs 0
  • 1 more USB 3.2 Gen1 USB-C ports
    This motherboard has more USB 3.2 Gen1 USB-C ports than the average motherboard (1 vs 0). The average motherboard has 0 USB 3.2 Gen1 USB-C port/s.
    1 vs 0
  • 1 more total USB-C connections
    This motherboard has more total USB-C connections than the average motherboard (2 vs 1). The average motherboard has 1 total USB-C connections.
    2 vs 1
  • 1 more DisplayPort outputs
    This motherboard has more DisplayPort outputs than the average motherboard (2 vs 1). The average motherboard has 1 DisplayPort outputs.
    2 vs 1
  • More recent Wi-Fi standard
    This motherboard has a more recent Wi-Fi standard than the average motherboard (Wi-Fi 6 (802.11ax) vs Wi-Fi 5 (802.11ac)).
    Wi-Fi 6 (802.11ax) vs Wi-Fi 5 (802.11ac)
  • No PCIe bifurcation support
    This motherboard does not support PCIe bifurcation, while the average motherboard does. 59.7% of motherboards support PCIe bifurcation.
  • 1 fewer USB 3.2 Gen2 ports
    This motherboard 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
  • Slower NVMe storage slots
    This motherboard has slower M.2 slots than the average motherboard (2x PCIe 4x4/x2 vs 1x PCIe 5x4, 2x PCIe 4x4).
    2x PCIe 4.0x4/x2 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • 2 fewer USB 3.2 Gen1 ports
    This motherboard 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
    This motherboard does not support multi-GPU, while the average motherboard does. 53.9% of motherboards support multi-GPU.
  • No headphone amp support
    This motherboard does not support a headphone amp, while the average motherboard does. 58.8% of motherboards support a headphone amp.
  • 1 fewer rear USB ports
    This motherboard has fewer rear USB ports than the average motherboard (7 vs 8). The average motherboard has 8 rear USB port/s.
    7 vs 8
  • 12.8% lower list score
    List score
    6.8/ 10
    ✕
    What it is
    How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
    How we count it
    Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 20% of the overall score.
    Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
    Lists with this model (1)
    List score: in 1 of 62 lists (2%)
    6.8 vs 7.8
  • 12.8% lower list score
    List score
    6.8/ 10
    ✕
    What it is
    How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
    How we count it
    Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 20% of the overall score.
    Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
    Lists with this model (1)
    List score: in 1 of 62 lists (2%)
    6.8 vs 7.8
  • 8.1% lower user score
    User score
    6.8/ 10
    ✕
    What it is
    How happy buyers are with this model, based on ratings from across the web.
    How we count it
    Enough data: A model needs at least 1 rating from across the web. Without one, it counts as 7.9, the mark of a weaker rated model in this category.
    Share: User score counts 10% of the overall score.
    Score distribution
    ▼
    <55-66-77-88-99-10

    6.8

    Mark 8.4 is below the typical mark 8.4 of this category, so it cannot lift the score above the technical score

    70%

    9.0

    Rating

    30%

    6.9

    Popularity

    6.8 vs 7.4
  • No debug LED indicators
    This motherboard does not have debug LED indicators, while the average motherboard does. 78.7% of motherboards include debug LED indicators.
  • No automatic overclocking
    This motherboard does not support automatic overclocking, while the average motherboard does. 74.1% of motherboards support automatic overclocking.
    memory auto-OC only
  • More basic chipset
    This motherboard uses a more basic chipset than the average motherboard (AMD B840 vs Intel B860).
    AMD B840 vs Intel B860
  • Slower NVMe storage slots
    This motherboard has slower M.2 slots than the average motherboard (2x PCIe 4x4/x2 vs 1x PCIe 5x4, 2x PCIe 4x4).
    2x PCIe 4.0x4/x2 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • No PCIe bifurcation support
    This motherboard does not support PCIe bifurcation, while the average motherboard does. 59.7% of motherboards support PCIe bifurcation.
  • No multi-GPU support
    This motherboard does not support multi-GPU, while the average motherboard does. 53.9% of motherboards support multi-GPU.
  • 1 fewer PCIe x1 slots
    This motherboard has fewer PCIe x1 slots than the average motherboard (0 vs 1). The average motherboard has 1 PCIe x1 slot/s.
    0 vs 1
  • Less generous lane split
    This motherboard splits its PCIe lanes less generously than the average motherboard (x16/x0/x4 vs x16/x0/x4, x8/x8/x4).
    x16/x0/x4 vs x16/x0/x4, x8/x8/x4
  • 1 fewer PCIe 3.0x16 slots
    This motherboard has fewer PCIe 3.0x16 slots than the average motherboard (0 vs 1). The average motherboard has 1 PCIe 3.0x16 slot/s.
    0 vs 1
  • 1 fewer USB 3.2 Gen2 ports
    This motherboard 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
    This motherboard 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
  • 1 fewer rear USB ports
    This motherboard has fewer rear USB ports than the average motherboard (7 vs 8). The average motherboard has 8 rear USB port/s.
    7 vs 8
  • 1 fewer total USB connections
    This motherboard has fewer total USB connections than the average motherboard (14 vs 15). The average motherboard has 15 total USB connections.
    14 vs 15
  • No headphone amp support
    This motherboard does not support a headphone amp, while the average motherboard does. 58.8% of motherboards support a headphone amp.
  • No optical S/PDIF out
    This motherboard does not have optical S/PDIF out, while the average motherboard does. 55.4% of motherboards include optical S/PDIF out.
  • 1.5 fewer fan headers
    This motherboard has fewer fan headers than the average motherboard (4 vs 5.5). The average motherboard has 5.5 fan header/s.
    4 vs 5.5

Third-party reviews

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 don't like 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

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.

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