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BIOSTAR B660GTN Review | 107 Data compared

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  • Avg. price in UK: ~£170
  • Avg. price in US: ~$180
  • CPU socket: LGA 1700
  • Chipset: Intel B660
  • Form factor: Mini-ITX

BIOSTAR B660GTN review. Compare 107 technical specifications and user reviews to see how it ranks among motherboards and if it is worth buying.

5.5

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%

5.5

Technical Score

10.0%

4.9

User score

Good
5.5

Technical Score

What it is: An assessment of the motherboard's technical performance, covering key areas such as power delivery, CPU and memory support, expansion, storage, connectivity, cooling, BIOS features, and design.

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

Score components:

19.0%

4.2

Memory

16.0%

7.9

Platform & Features

16.0%

5.8

Storage

15.0%

7.3

Network

13.0%

2.7

Ports & USB

8.0%

3.3

Expansion

8.0%

5.0

Power & Cooling

5.0%

8.8

Audio

Good
4.9

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%

6.2

User reviews

30.0%

2.0

Popularity

User score:
United Kingdom
amazon
3.1
(10)

(Reviews last updated: May 2026)

Poor
  • 7.1
    Gaming

    Score components:

    28.0%

    5.6

    VRM phases

    22.0%

    5.5

    N. of M.2 sockets

    18.0%

    10

    LAN speed

    17.0%

    5.8

    Maximum RAM speed

    15.0%

    10

    N. of PCIe 5.0 x16 slots

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Best prices in UK

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 Biostar B660GTN is a budget-focused Mini-ITX motherboard (17x17cm) designed for Intel 12th/13th/14th Gen processors (LGA1700), featuring a 9-phase power design with 60A MOSFETs and supporting up to 64GB of DDR4 5000+(OC) RAM across two DIMM slots. Main pros include PCIe 5.0 x16 slot support, dual PCIe 4.0 M.2 slots (one front, one rear), 2.5 GbE LAN, USB 3.2 Gen2 Type-A ports, and a dedicated 5V/12V RGB header. It is a cost-effective choice for small form factor (SFF) builds. Cons include the lack of an integrated Wi-Fi module (though it has an E-key slot), no front panel USB-C header, unpolished RGB/Fan software, and an unconventional plastic I/O cover design that can interfere with large GPU backplates.

Technical Specifications of BIOSTAR B660GTN

Technical Score

What it is: An assessment of the motherboard's technical performance, covering key areas such as power delivery, CPU and memory support, expansion, storage, connectivity, cooling, BIOS features, and design.

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

Score components:

19.0%

4.2

Memory

16.0%

7.9

Platform & Features

16.0%

5.8

Storage

15.0%

7.3

Network

13.0%

2.7

Ports & USB

8.0%

3.3

Expansion

8.0%

5.0

Power & Cooling

5.0%

8.8

Audio

5.5
BIOSTAR B660GTN has a technical score of 5.55 points, which is lower than that of 68% 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%

6.2

User reviews

30.0%

2.0

Popularity

User score:
United Kingdom
amazon
3.1
(10)

(Reviews last updated: May 2026)

4.9
BIOSTAR B660GTN has a user score of 4.95 points, which is lower than that of 98.5% 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.
2.0
BIOSTAR B660GTN has a popularity of 2 points, which is lower than 69.3% 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%

5.5

Overall score

40.0%

9.6

Price

6.7
BIOSTAR B660GTN has a quality-to-price ratio of 6.7 points, which is lower than 72.9% 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: MEDIUM

Biostar
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

LGA 1700
BIOSTAR B660GTN uses the LGA 1700 CPU socket, which is more advanced than that of 55% of motherboards and equal to that of 22.7% of motherboards.
CPU platform

Importance: MEDIUM

Intel
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

Intel B660
BIOSTAR B660GTN uses the Intel B660 chipset, which is more advanced than that of 57.6% of motherboards and equal to that of 2.8% 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: HIGH

Mini-ITX
BIOSTAR B660GTN has the Mini-ITX form factor, which is less versatile than that of 84.6% of motherboards and equal to that of 7.3% 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
BIOSTAR B660GTN uses DDR4 memory, which is newer than that of 13.6% of motherboards and equal to that of 51% 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: HIGH

Good value: >=4

2
BIOSTAR B660GTN has 2 Memory slots, which is fewer than 78.6% of motherboards and equal to 21.4% 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

64 GB
BIOSTAR B660GTN supports up to 64 GB of memory, which is less than 62.6% of motherboards and equal to 24.3% 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: MEDIUM

2
BIOSTAR B660GTN supports 2 memory channels, which is more than 0.2% of motherboards and equal to 92.5% 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: HIGH

Good value: >=6400 MT/s

5,000 MT/s
BIOSTAR B660GTN supports memory speeds up to 5000 MT/s, which is higher than that of 57.2% of motherboards and equal to that of 2.1% 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
BIOSTAR B660GTN has 2 M.2 sockets, which is more than 30.8% of motherboards and equal to 34.6% 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: HIGH

1x PCIe 4.0 x4, 1x PCIe 4.0 x4/SATA
BIOSTAR B660GTN offers 1x PCIe 4.0x4, 1x PCIe 4.0x4/SATA for M.2 slot interfaces, which is faster than that of 50.4% of motherboards and equal to that of 3.2% of motherboards.
Key E Wi-Fi slot excluded.
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: MEDIUM

Good value: >=6

4
BIOSTAR B660GTN has 4 SATA 3 connectors, which is more than 5.6% of motherboards and equal to 46.3% 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: MEDIUM

0/1/5/10
BIOSTAR B660GTN supports RAID levels 0/1/5/10, which is broader than 31.8% of motherboards and equal to 68.2% of motherboards.
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: LOW

no
BIOSTAR B660GTN does not support NVMe RAID. 59.8% 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: HIGH

Good value: >=1

1
BIOSTAR B660GTN has 1 PCIe 5.0x16 slots, which is more than 68.6% of motherboards and equal to 26.6% 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: HIGH

Good value: >=1

0
BIOSTAR B660GTN has 0 PCIe 4.0x16 slots, which is equal to 55.6% 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: MEDIUM

0
BIOSTAR B660GTN has 0 PCIe 3.0x16 slots, which is fewer than 59.5% of motherboards and equal to 40.5% 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: HIGH

x16
BIOSTAR B660GTN uses x16 for PCIe slot electrical configuration, which is less flexible than that of 86.5% of motherboards and equal to that of 9.3% 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: MEDIUM

no
BIOSTAR B660GTN does not support PCIe bifurcation. 61% 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: MEDIUM

Good value: >=8

6
BIOSTAR B660GTN has 6 USB ports (rear I/O), which is fewer than 64.2% of motherboards and equal to 32.9% 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

10
BIOSTAR B660GTN has 10 USB ports (including headers), which is fewer than 92.1% of motherboards and equal to 5.6% 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

0
BIOSTAR B660GTN has 0 USB-C ports (rear I/O), which is fewer than 64.6% of motherboards and equal to 35.4% 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: MEDIUM

Good value: >=2

0
BIOSTAR B660GTN has 0 USB-C ports (including headers), which is fewer than 69.6% of motherboards and equal to 30.4% 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: HIGH

Good value: >=1

0
BIOSTAR B660GTN has 0 USB 3.2 Gen2x2 ports (USB-C), which is equal to 81.6% of motherboards.
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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
BIOSTAR B660GTN supports LAN speeds up to 2.5 Gbps, which is higher than that of 49.2% of motherboards and equal to that of 41.5% 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

?
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: LOW

1
BIOSTAR B660GTN has 1 RJ45 ports, which is 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: MEDIUM

no
BIOSTAR B660GTN does not support Wi-Fi connectivity. 49.1% of motherboards support this feature.
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: MEDIUM

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

N/A
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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 ALC1220
BIOSTAR B660GTN uses the Realtek ALC1220 audio codec, which is more advanced than that of 65.1% of motherboards and equal to that of 13% 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
BIOSTAR B660GTN 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: MEDIUM

Good value: >=120 dB

120 dB
BIOSTAR B660GTN has an audio SNR of 120 dB, which is higher than that of 55% of motherboards and equal to that of 41.5% of motherboards.
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

yes
BIOSTAR B660GTN supports a headphone amp. 37% 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
BIOSTAR B660GTN has 3 3.5mm audio jacks, which is fewer than 50.3% of motherboards and equal to 38.2% of motherboards.
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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: HIGH

Good value: >=12

9
BIOSTAR B660GTN has 9 VRM phases, which is fewer than 64.9% of motherboards and equal to 1.1% 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: HIGH

Good value: >=2

1
BIOSTAR B660GTN has 1 CPU power connectors, which is 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: MEDIUM

Good value: >=6

3
BIOSTAR B660GTN has 3 fan headers, which is fewer than 76.7% of motherboards and equal to 15% 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: MEDIUM

no
BIOSTAR B660GTN does not have a pump header. 77% 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

?
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BIOSTAR B660GTN vs the average motherboard

  • 3 more USB 3.2 Gen2 ports
    BIOSTAR B660GTN has more USB 3.2 Gen2 ports than the average motherboard (4 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

    BIOSTAR B660GTN has more USB 3.2 Gen2 ports than the average motherboard (4 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.4 vs 1
  • 1 more PCIe 5.0x16 slots
    BIOSTAR B660GTN has more PCIe 5.0x16 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe 5.0x16 slot/s.
    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: HIGH

    Good value: >=1

    BIOSTAR B660GTN has more PCIe 5.0x16 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe 5.0x16 slot/s.1 vs 0
  • Newer CPU socket
    BIOSTAR B660GTN has newer CPU socket than the average motherboard (LGA 1,700 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

    BIOSTAR B660GTN has newer CPU socket than the average motherboard (LGA 1,700 vs LGA 1,151). The average motherboard uses LGA 1,151 CPU socket.LGA 1700 vs LGA 1151
  • Integrated I/O shield
    BIOSTAR B660GTN has an integrated I/O shield, while the average motherboard does not. 46.1% of motherboards include an integrated 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

    BIOSTAR B660GTN has an integrated I/O shield, while the average motherboard does not. 46.1% of motherboards include an integrated I/O shield.
  • 1 more USB4 or Thunderbolt headers
    BIOSTAR B660GTN has more USB4 or Thunderbolt headers than the average motherboard (1 vs 0). The average motherboard has 0 USB4 or Thunderbolt header/s.
    supports Thunderbolt add-in card
    What it is: The number of internal USB4 or Thunderbolt headers on the motherboard.
    When it matters: When you plan to add high-speed front USB-C or Thunderbolt connections.

    Importance: MEDIUM

    BIOSTAR B660GTN has more USB4 or Thunderbolt headers than the average motherboard (1 vs 0). The average motherboard has 0 USB4 or Thunderbolt header/s.1 vs 0
  • Better audio codec
    BIOSTAR B660GTN has better audio codec than the average motherboard (Realtek ALC1,220 vs Realtek ALC898). The average motherboard uses Realtek ALC898 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

    BIOSTAR B660GTN has better audio codec than the average motherboard (Realtek ALC1,220 vs Realtek ALC898). The average motherboard uses Realtek ALC898 audio codec.Realtek ALC1220 vs Realtek ALC898
  • 135 mm shorter
    BIOSTAR B660GTN is shorter than the average motherboard (170 mm vs 305 mm). The average motherboard height is 305 mm.
    What it is: The physical height of the motherboard.
    When it matters: When you check case fit or compare board size.

    Importance: LOW

    BIOSTAR B660GTN is shorter than the average motherboard (170 mm vs 305 mm). The average motherboard height is 305 mm.170 mm vs 305 mm
  • 5 dB higher audio SNR
    BIOSTAR B660GTN has a higher audio SNR than the average motherboard (120 dB vs 115 dB). The average motherboard has audio SNR of 115 dB.
    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: MEDIUM

    Good value: >=120 dB

    BIOSTAR B660GTN has a higher audio SNR than the average motherboard (120 dB vs 115 dB). The average motherboard has audio SNR of 115 dB.120 dB vs 115 dB
  • Newer CPU socket
    BIOSTAR B660GTN has newer CPU socket than the average motherboard (LGA 1,700 vs LGA 1,151). The average motherboard uses LGA 1,151 CPU socket.
  • Integrated I/O shield
    BIOSTAR B660GTN has an integrated I/O shield, while the average motherboard does not. 46.1% of motherboards include an integrated I/O shield.
  • 1 more PCIe 5.0x16 slots
    BIOSTAR B660GTN has more PCIe 5.0x16 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe 5.0x16 slot/s.
  • 3 more USB 3.2 Gen2 ports
    BIOSTAR B660GTN has more USB 3.2 Gen2 ports than the average motherboard (4 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.
  • 1 more USB4 or Thunderbolt headers
    BIOSTAR B660GTN has more USB4 or Thunderbolt headers than the average motherboard (1 vs 0). The average motherboard has 0 USB4 or Thunderbolt header/s.
  • Better audio codec
    BIOSTAR B660GTN has better audio codec than the average motherboard (Realtek ALC1,220 vs Realtek ALC898). The average motherboard uses Realtek ALC898 audio codec.
  • 5 dB higher audio SNR
    BIOSTAR B660GTN has a higher audio SNR than the average motherboard (120 dB vs 115 dB). The average motherboard has audio SNR of 115 dB.
  • 135 mm shorter
    BIOSTAR B660GTN is shorter than the average motherboard (170 mm vs 305 mm). The average motherboard height is 305 mm.
  • 74 mm narrower
    BIOSTAR B660GTN is narrower than the average motherboard (170 mm vs 244 mm). The average motherboard width is 244 mm.

Total
Platform & Features
Expansion
Ports & USB
Audio
Power & Cooling
  • More basic motherboard chipset
    BIOSTAR B660GTN has more basic motherboard chipset than the average motherboard (Intel B660 vs Intel B860). The average motherboard uses Intel B860 chipset.
  • No BIOS flashback support
    BIOSTAR B660GTN does not support BIOS flashback, while the average motherboard does. 50.8% of motherboards support BIOS flashback.
  • Fewer BIOS update options
    BIOSTAR B660GTN has fewer BIOS update options than the average motherboard (UEFI utility, Windows app vs UEFI utility, flashback, Windows app). The average motherboard offers UEFI utility, flashback, Windows app BIOS update methods.
  • No automatic overclocking
    BIOSTAR B660GTN does not support automatic overclocking, while the average motherboard does. 74% of motherboards support automatic overclocking.
  • 2 fewer memory slots
    BIOSTAR B660GTN has fewer memory slots than the average motherboard (2 vs 4). The average motherboard has 4 memory slot/s.
  • 50% less maximum memory capacity
    BIOSTAR B660GTN has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.
  • No NVMe RAID support
    BIOSTAR B660GTN does not support NVMe RAID, while the average motherboard does. 59.8% of motherboards support NVMe RAID.
  • Slower M.2 slot interfaces
    BIOSTAR B660GTN has slower M.2 slot interfaces than the average motherboard (1x PCIe 4.0x4, 1x PCIe 4.0x4/SATA 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.
    Key E Wi-Fi slot excluded.
  • No PCIe bifurcation support
    BIOSTAR B660GTN does not support PCIe bifurcation, while the average motherboard does. 61% of motherboards support PCIe bifurcation.
  • No multi-GPU support
    BIOSTAR B660GTN does not support multi-GPU, while the average motherboard does. 54.6% of motherboards support multi-GPU.
    Single PCIe x16 slot only.
  • 1 fewer PCIe x1 slots
    BIOSTAR B660GTN 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
    BIOSTAR B660GTN has less flexible PCIe lane configuration than the average motherboard (x16 vs x16/x1). The average motherboard uses x16/x1 PCIe slot lane configuration.
  • 1 fewer PCIe 3.0x16 slots
    BIOSTAR B660GTN has fewer PCIe 3.0x16 slots than the average motherboard (0 vs 1). The average motherboard has 1 PCIe 3.0x16 slot/s.
  • 2 fewer rear USB ports
    BIOSTAR B660GTN has fewer rear USB ports than the average motherboard (6 vs 8). The average motherboard has 8 rear USB port/s.
  • 5 fewer total USB connections
    BIOSTAR B660GTN has fewer total USB connections than the average motherboard (10 vs 15). The average motherboard has 15 total USB connections.
  • 4 fewer USB 3.2 Gen1 ports
    BIOSTAR B660GTN has fewer USB 3.2 Gen1 ports than the average motherboard (0 vs 4). The average motherboard has 4 USB 3.2 Gen1 port/s.
  • 1 fewer rear USB-C ports
    BIOSTAR B660GTN has fewer rear USB-C ports than the average motherboard (0 vs 1). The average motherboard has 1 rear USB-C port/s.
  • 1 fewer USB 2.0 headers
    BIOSTAR B660GTN has fewer USB 2.0 headers than the average motherboard (1 vs 2). The average motherboard has 2 USB 2.0 header/s.
  • 1 fewer total USB-C connections
    BIOSTAR B660GTN has fewer total USB-C connections than the average motherboard (0 vs 1). The average motherboard has 1 total USB-C connections.
  • Older HDMI version
    BIOSTAR B660GTN has older HDMI version than the average motherboard (2 vs 2.1). The average motherboard supports HDMI 2.1.
  • No Wi-Fi antenna included
    BIOSTAR B660GTN does not include a Wi-Fi antenna, while the average motherboard does. 51.1% of motherboards include a Wi-Fi antenna.
  • 2 fewer 3.5mm audio jacks
    BIOSTAR B660GTN 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
    BIOSTAR B660GTN does not have optical S/PDIF out, while the average motherboard does. 55.7% of motherboards include optical S/PDIF out.
  • No pump header
    BIOSTAR B660GTN does not have a pump header, while the average motherboard does. 77% of motherboards include a pump header.
  • 2 fewer fan headers
    BIOSTAR B660GTN has fewer fan headers than the average motherboard (3 vs 5). The average motherboard has 5 fan header/s.
  • 1 fewer ARGB headers
    BIOSTAR B660GTN has fewer ARGB headers than the average motherboard (1 vs 2). The average motherboard has 2 ARGB header/s.
  • Fewer VRM phases
    BIOSTAR B660GTN has fewer VRM phases than the average motherboard (9 vs 10). The average motherboard has 10 VRM phase/s.
  • 2 fewer memory slots
    BIOSTAR B660GTN has fewer memory slots than the average motherboard (2 vs 4). The average motherboard has 4 memory slot/s.
    What it is: The number of RAM slots on the motherboard.
    When it matters: When you want more room for future memory upgrades.

    Importance: HIGH

    Good value: >=4

    BIOSTAR B660GTN has fewer memory slots than the average motherboard (2 vs 4). The average motherboard has 4 memory slot/s.2 vs 4
  • More basic motherboard chipset
    BIOSTAR B660GTN has more basic motherboard chipset than the average motherboard (Intel B660 vs Intel B860). The average motherboard uses Intel B860 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

    BIOSTAR B660GTN has more basic motherboard chipset than the average motherboard (Intel B660 vs Intel B860). The average motherboard uses Intel B860 chipset.Intel B660 vs Intel B860
  • No NVMe RAID support
    BIOSTAR B660GTN does not support NVMe RAID, while the average motherboard does. 59.8% of motherboards support NVMe RAID.
    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: LOW

    BIOSTAR B660GTN does not support NVMe RAID, while the average motherboard does. 59.8% of motherboards support NVMe RAID.
  • 2 fewer rear USB ports
    BIOSTAR B660GTN has fewer rear USB ports than the average motherboard (6 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: MEDIUM

    Good value: >=8

    BIOSTAR B660GTN has fewer rear USB ports than the average motherboard (6 vs 8). The average motherboard has 8 rear USB port/s.6 vs 8
  • Slower M.2 slot interfaces
    BIOSTAR B660GTN has slower M.2 slot interfaces than the average motherboard (1x PCIe 4.0x4, 1x PCIe 4.0x4/SATA 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.
    Key E Wi-Fi slot excluded.
    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: HIGH

    BIOSTAR B660GTN has slower M.2 slot interfaces than the average motherboard (1x PCIe 4.0x4, 1x PCIe 4.0x4/SATA 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.1x PCIe 4.0x4, 1x PCIe 4.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • 50% less maximum memory capacity
    BIOSTAR B660GTN has fewer maximum memory capacity than the average motherboard (64 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

    BIOSTAR B660GTN has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.64 GB vs 128 GB
  • 5 fewer total USB connections
    BIOSTAR B660GTN has fewer total USB connections than the average motherboard (10 vs 15). The average motherboard has 15 total USB connections.
    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

    BIOSTAR B660GTN has fewer total USB connections than the average motherboard (10 vs 15). The average motherboard has 15 total USB connections.10 vs 15
  • No BIOS flashback support
    BIOSTAR B660GTN does not support BIOS flashback, while the average motherboard does. 50.8% of motherboards support BIOS flashback.
    What it is: Shows whether the motherboard can update BIOS without needing a fully installed or supported CPU to boot first.
    When it matters: When you may need to update BIOS before the system can boot.

    Importance: MEDIUM

    BIOSTAR B660GTN does not support BIOS flashback, while the average motherboard does. 50.8% of motherboards support BIOS flashback.
Total
Overall
Platform & Features
Memory
Storage
Expansion
Ports & USB
Network
Audio
Power & Cooling

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Third-party reviews

United Kingdom
amazon
3.1
10 Reviews

(Reviews last updated: May 2026)

What customers like about BIOSTAR B660GTN?

  • Competitive pricing for a Mini-ITX board with high-end audio (ALC1220)
  • Strong VRM performance that handles high power draw (up to 150W) with stable temperatures
  • Support for PCIe 5.0 and two M.2 Gen4 slots in a compact form factor
  • Good memory overclocking and undervolting capabilities reported by users
  • Includes a 2.5GbE LAN port and a dedicated M.2 E-key slot for Wi-Fi cards
  • Effective built-in heatsinks for both the VRM and M.2 storage

What customers dislike about BIOSTAR B660GTN?

  • Integrated I/O shield design can interfere with GPUs that have thick backplates
  • Lacks a rear USB-C port, requiring an internal adapter for front-panel Type-C connectivity
  • BIOS and Windows companion software are often described as unpolished or clunky
  • No pre-installed Wi-Fi card; users must purchase a separate M.2 card and antennas
  • Difficult installation process for Wi-Fi cards, requiring disassembly of the I/O shield
  • Missing some enthusiast-level BIOS options like VCCSA voltage control

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