OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
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

ASUS Pro B660M-C D4-CSM review: 109 specs compared

Avg. price:~£130CPU socket:LGA 1700Chipset:Intel B660Form factor:microATX

ASUS Pro B660M-C D4-CSM Review: Compare 109 technical specifications and 1 expert reviews to see how this product ranks in the Motherboards category and whether it is worth buying.

ASUS Pro B660M-C D4-CSM
6.1/10

Overall score

Score
6.1/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 81% of models
Score components

40%

5.1

Technical score

20%

5.1

Reviews score

20%

?

List scoreNot enough data yet, so we use 7.5, the mark of a weaker model in this category

10%

?

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

10%

8.6

User score

â–¼Worse than 81% of motherboards
7.3

Value for money

Value for money
7.3/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 79% of models
Score components

70%

6.1

Overall score

30%

9.8

Price

â–¼Worse than 79%
5.1

Technical score

Technical score
5.1/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 71% of models
Score components

19%

6.8

Memory

16%

8.2

Platform

16%

5.1

Storage

15%

3.2

Network

13%

1.7

Ports

8%

4.2

Expansion

8%

4.4

Power & Cooling

5%

6.8

Audio

â–¼Worse than 71%
5.1

Reviews score

Reviews score
5.1/ 10
✕
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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 86% of models

5.1

Mark 7.6 is below the typical mark 8.3 of this category, so it cannot lift the score above the technical score

80%

8.2

Average grade

20%

5.0

Popularity

Grades by review (1)
1 review, its grade estimated from the review text. Reviews count 20% of the overall score.
Ratings from across the web count in the User score, not in this score.
â–¼Worse than 86%
8.6

User score

User score
8.6/ 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
â–¼
<55-66-77-88-99-10
â–² Better than 61% of models

70%

9.1

Rating

30%

7.4

Popularity

â–²Better than 61%
?

List score

List score
7.5/ 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 (0)
Not in any best-of list yet, so this part counts as 7.5. Models in a list get 8 to 10.
Not in any best-of list yet
  • asus-pro-b660m-c-d4-csm
  • asus-pro-b660m-c-d4-csm
  • asus-pro-b660m-c-d4-csm
  • asus-pro-b660m-c-d4-csm
  • asus-pro-b660m-c-d4-csm
  • asus-pro-b660m-c-d4-csm
  • asus-pro-b660m-c-d4-csm
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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 ASUS Pro B660M-C D4-CSM

Technical score
Technical score
5.1/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 71% of models
Score components:

19%

6.8

Memory

16%

8.2

Platform

16%

5.1

Storage

15%

3.2

Network

13%

1.7

Ports

8%

4.2

Expansion

8%

4.4

Power & Cooling

5%

6.8

Audio

5.1
Reviews score
5.1
User score
8.6
List score
?
Value for money
Value for money
7.3/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 79% of models
Score components:

70%

6.1

Overall score

30%

9.8

Price

7.3
CPU socket
LGA 1700
This motherboard uses LGA 1700, which is more up-to-date than 54.7% of Motherboards and the same as 22.7% of Motherboards.
CPU platform
Intel
Chipset
Intel B660
This motherboard uses Intel B660, which is more capable than 57.3% of Motherboards and as capable as 2.7% of Motherboards.
Form factor
microATX
Integrated graphics support
yes
This motherboard supports integrated graphics. 10.2% of motherboards support this feature.
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
Market range: <2 – >4
This motherboard has 4 Memory slots, which is more than 21.9% of motherboards and equal to 72% of motherboards.
Maximum memory capacity
128 GB
Market range: <32 GB – >256 GB
This motherboard supports up to 128 GB of memory, which is more than 40.1% of motherboards and equal to 31.9% of motherboards.
Memory channels
2
Maximum RAM speed
3,200 MT/s
Market range: <2.1k MT/s – >8k MT/s
This motherboard supports memory speeds up to 3,200 MT/s, which is lower than that of 63.1% of motherboards and equal to that of 11.2% of motherboards.
maximum depends on CPU configuration
Show more
N. of M.2 sockets
2
Market range: <0 – >4
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
1x PCIe 4.0 x4, 1x PCIe 4.0 x4/SATA
This motherboard offers M.2 slots: 1x PCIe 4.0x4, 1x PCIe 4.0x4/SATA, which is faster than 49.9% of Motherboards and the same as 3.1% of Motherboards.
N. of SATA 3 connectors
4
Market range: <4 – >8
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.
JBOD excluded from RAID-level set
NVMe RAID support
no
This motherboard does not support NVMe RAID. 59.9% of motherboards support this feature.
Show more
N. of PCIe 5.0 x16 slots
0
Market range: <0 – >1
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
Market range: <0 – >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
Market range: <0 – >3
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/x1/x1
This motherboard splits its PCIe lanes as x16/x1/x1, which is less generous than 59% of Motherboards and the same as 5.6% of Motherboards.
PCIe bifurcation support
yes
This motherboard supports PCIe bifurcation. 40.3% of motherboards support this feature.
Show more
Total USB ports (rear I/O)
4
Market range: <6 – >10
This motherboard has 4 USB ports (rear I/O), which is fewer than 97.7% of motherboards and equal to 2.3% of motherboards.
Total USB ports (including headers)
11
Market range: <11 – >19
This motherboard has 11 USB ports (including headers), which is fewer than 88.7% of motherboards and equal to 3% of motherboards.
Total USB-C ports (rear I/O)
0
Market range: <0 – >2
This motherboard has 0 USB-C ports (rear I/O), which is fewer than 64.2% of motherboards and equal to 35.8% of motherboards.
Total USB-C ports (including headers)
1
Market range: <0 – >3
This motherboard has 1 USB-C ports (including headers), which is more than 30.5% of motherboards and equal to 21.1% of motherboards.
N. of USB 3.2 Gen2x2 ports (USB-C)
0
Market range: <0 – >1
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
1 Gbps
Market range: <1 Gbps – >2.5 Gbps
This motherboard supports LAN speeds up to 1 Gbps, which is lower than that of 51.1% of motherboards and equal to that of 48.9% of motherboards.
LAN controller
Intel I219-V
This motherboard has a Intel I219-V LAN controller, which is faster than 58.2% of Motherboards and equal to 10% of Motherboards.
N. of RJ45 ports
1
Market range: <1 – >2
This motherboard has 1 RJ45 ports, which is fewer than 14.4% of motherboards and equal to 85.6% of motherboards.
Wi-Fi connectivity
no
This motherboard does not support Wi-Fi connectivity. 50.1% of motherboards support this feature.
Wi-Fi version
N/A
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
97 dB
Market range: <95 dB – >120 dB
This motherboard has an audio SNR of 97 dB, which is lower than that of 65.7% of motherboards and equal to that of 16.9% of motherboards.
Headphone amp support
yes
This motherboard supports a headphone amp. 41.2% of motherboards support this feature.
N. of 3.5mm audio jacks
3
Market range: <2 – >6
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
6+1+1
This motherboard has 6+1+1 VRM phases, which is fewer than 77.3% of motherboards and equal to 1% of motherboards.
N. of CPU power connectors
1
Market range: <1 – >2
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
3
Market range: <3 – >8
This motherboard has 3 fan headers, which is fewer than 77.1% of motherboards and equal to 14.8% of motherboards.
Pump header
no
This motherboard does not have a pump header. 77.9% of motherboards include this feature.
Pump header max current
0 A
Market range: <0 A – >3 A
This motherboard supports up to 0 A on the pump header, which is lower than that of 76.2% of motherboards and equal to that of 23.8% of motherboards.
Show more

ASUS Pro B660M-C D4-CSM vs the average motherboard

246810TotalPlatformMemoryStorageExpansionPortsNetworkAudioPower & Cooling
  • More up-to-date socket
    This motherboard uses a more up-to-date socket than the average motherboard (LGA 1700 vs LGA 1151).
    LGA 1,700 vs LGA 1,151
  • 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
  • More capable LAN controller
    This motherboard has a faster LAN controller than the average motherboard (Intel I219-V vs Killer + Intel + Realtek).
    Intel I219-V vs Killer + Intel + Realtek
  • 1 more PCIe x1 slots
    This motherboard has more PCIe x1 slots than the average motherboard (2 vs 1). The average motherboard has 1 PCIe x1 slot/s.
    2 vs 1
  • 16.2% higher user score
    User score
    8.6/ 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
    â–¼
    <55-66-77-88-99-10
    â–² Better than 61% of models

    70%

    9.1

    Rating

    30%

    7.4

    Popularity

    8.6 vs 7.4
  • 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
  • 16.2% higher user score
    User score
    8.6/ 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
    â–¼
    <55-66-77-88-99-10
    â–² Better than 61% of models

    70%

    9.1

    Rating

    30%

    7.4

    Popularity

    8.6 vs 7.4
  • More up-to-date socket
    This motherboard uses a more up-to-date socket than the average motherboard (LGA 1700 vs LGA 1151).
    LGA 1,700 vs LGA 1,151
  • 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 x1 slots
    This motherboard has more PCIe x1 slots than the average motherboard (2 vs 1). The average motherboard has 1 PCIe x1 slot/s.
    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 capable LAN controller
    This motherboard has a faster LAN controller than the average motherboard (Intel I219-V vs Killer + Intel + Realtek).
    Intel I219-V vs Killer + Intel + Realtek
  • 60% lower LAN speed
    This motherboard has a lower LAN speed than the average motherboard (1 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.
    1 Gbps vs 2.5 Gbps
  • 4 fewer rear USB ports
    This motherboard has fewer rear USB ports than the average motherboard (4 vs 8). The average motherboard has 8 rear USB port/s.
    4 vs 8
  • More basic chipset
    This motherboard uses a more basic chipset than the average motherboard (Intel B660 vs Intel B860).
    Intel B660 vs Intel B860
  • No NVMe RAID support
    This motherboard does not support NVMe RAID, while the average motherboard does. 59.9% of motherboards support NVMe RAID.
  • 30.1% lower review score
    Reviews score
    5.1/ 10
    ✕
    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
    â–¼
    <55-66-77-88-99-10
    â–¼ Worse than 86% of models

    5.1

    Mark 7.6 is below the typical mark 8.3 of this category, so it cannot lift the score above the technical score

    80%

    8.2

    Average grade

    20%

    5.0

    Popularity

    Grades by review (1)
    1 review, its grade estimated from the review text. Reviews count 20% of the overall score.
    Ratings from across the web count in the User score, not in this score.
    5.1 vs 7.3
  • Slower NVMe storage slots
    This motherboard has slower M.2 slots than the average motherboard (1x PCIe 4x4, 1x PCIe 4x4/SATA vs 1x PCIe 5x4, 2x PCIe 4x4).
    1x PCIe 4.0x4, 1x PCIe 4.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • 4 fewer total USB connections
    This motherboard has fewer total USB connections than the average motherboard (11 vs 15). The average motherboard has 15 total USB connections.
    11 vs 15
  • No Wi-Fi connectivity
    This motherboard does not support Wi-Fi connectivity, while the average motherboard does. 50.1% of motherboards support Wi-Fi connectivity.
  • 30.1% lower review score
    Reviews score
    5.1/ 10
    ✕
    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
    â–¼
    <55-66-77-88-99-10
    â–¼ Worse than 86% of models

    5.1

    Mark 7.6 is below the typical mark 8.3 of this category, so it cannot lift the score above the technical score

    80%

    8.2

    Average grade

    20%

    5.0

    Popularity

    Grades by review (1)
    1 review, its grade estimated from the review text. Reviews count 20% of the overall score.
    Ratings from across the web count in the User score, not in this score.
    5.1 vs 7.3
  • 6.1% worse value for money
    ASUS Pro B660M-C D4-CSM has worse value for money than the average motherboard (7.26 vs 7.7).
    7.26 vs 7.7
  • More basic chipset
    This motherboard uses a more basic chipset than the average motherboard (Intel B660 vs Intel B860).
    Intel B660 vs Intel B860
  • No BIOS flashback support
    This motherboard does not support BIOS flashback, while the average motherboard does. 51.3% of motherboards support BIOS flashback.
    requires CPU/RAM
  • 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
  • 31.9% lower maximum RAM speed
    This motherboard has a lower maximum RAM speed than the average motherboard (3,200 MT/s vs 4,699.5 MT/s). The average motherboard supports RAM speed of 4,699.5 MT/s.
    maximum depends on CPU configuration
    3,200 MT/s vs 4,699.5 MT/s
  • No NVMe RAID support
    This motherboard does not support NVMe RAID, while the average motherboard does. 59.9% of motherboards support NVMe RAID.
  • Slower NVMe storage slots
    This motherboard has slower M.2 slots than the average motherboard (1x PCIe 4x4, 1x PCIe 4x4/SATA vs 1x PCIe 5x4, 2x PCIe 4x4).
    1x PCIe 4.0x4, 1x PCIe 4.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • No multi-GPU support
    This motherboard does not support multi-GPU, while the average motherboard does. 53.9% of motherboards support multi-GPU.
    Single PCIe x16 slot only.
  • Less generous lane split
    This motherboard splits its PCIe lanes less generously than the average motherboard (x16/x1/x1 vs x16/x0/x4, x8/x8/x4).
    x16/x1/x1 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
  • 4 fewer rear USB ports
    This motherboard has fewer rear USB ports than the average motherboard (4 vs 8). The average motherboard has 8 rear USB port/s.
    4 vs 8
  • 4 fewer total USB connections
    This motherboard has fewer total USB connections than the average motherboard (11 vs 15). The average motherboard has 15 total USB connections.
    11 vs 15
  • 1 fewer rear USB-C ports
    This motherboard has fewer rear USB-C ports than the average motherboard (0 vs 1). The average motherboard has 1 rear USB-C port/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
  • 60% lower LAN speed
    This motherboard has a lower LAN speed than the average motherboard (1 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.
    1 Gbps vs 2.5 Gbps
  • No Wi-Fi connectivity
    This motherboard does not support Wi-Fi connectivity, while the average motherboard does. 50.1% of motherboards support Wi-Fi connectivity.
  • No Wi-Fi antenna included
    This motherboard does not include a Wi-Fi antenna, while the average motherboard does. 51.1% of motherboards include a Wi-Fi antenna.
  • 18 dB lower audio SNR
    This motherboard has a lower audio SNR than the average motherboard (97 dB vs 115 dB). The average motherboard has audio SNR of 115 dB.
    97 dB vs 115 dB
  • 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.
  • 2 fewer ARGB headers
    This motherboard has fewer ARGB headers than the average motherboard (0 vs 2). The average motherboard has 2 ARGB header/s.
    0 vs 2
  • 2.5 fewer fan headers
    This motherboard has fewer fan headers than the average motherboard (3 vs 5.5). The average motherboard has 5.5 fan header/s.
    3 vs 5.5
  • No pump header
    This motherboard does not have a pump header, while the average motherboard does. 77.9% of motherboards include a pump header.
  • Fewer VRM phases
    This motherboard has fewer VRM phases than the average motherboard (6+1+1 vs 10). The average motherboard has 10 VRM phase/s.
    6+1+1 vs 10
  • 1 fewer RGB headers
    This motherboard has fewer RGB headers than the average motherboard (0 vs 1). The average motherboard has 1 RGB header/s.
    0 vs 1
  • 2 A lower pump header current limit
    This motherboard has a lower pump header current than the average motherboard (0 A vs 2 A). The average motherboard provides pump header current of 2 A.
    0 A vs 2 A

Video reviews

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7.0
servethehome.com
≈ estimated
31/03/2022
Build walkthrough · Office desktop board
Verdict
The ASUS Pro B660M-C D4-CSM is a plain mATX board for office PCs, with cheaper DDR4 memory and internal headers in the same spots across generations.

Third-party reviews

What customers like about ASUS Pro B660M-C D4-CSM

  • Excellent M.2 storage performance with confirmed PCIe 4.0 speeds
  • Supports budget-friendly DDR4 RAM instead of more expensive DDR5
  • Comprehensive enterprise features including ACCE management and BIOS customization
  • High reliability with anti-moisture coating and anti-sulfur resistors for 24/7 use
  • Includes legacy ports like PS/2 and D-Sub (VGA) which are rare on modern boards
  • Stable supply chain and long-term availability as part of the CSM program

What customers don't like about ASUS Pro B660M-C D4-CSM

  • Lacks aesthetic features like ornate heatsinks or RGB lighting
  • Limited number of fan headers (only 3), with some reports of non-BIOS controlled headers running at full speed
  • Basic green PCB design is considered 'ugly' or dated by some consumers
  • May require manual LAN driver installation during fresh OS setups
  • Lacks built-in wireless connectivity (Wi-Fi/Bluetooth) and rear USB-C ports on base models
  • Priced higher than some consumer B660 boards despite the lack of 'gamer' features

Verdict

The ASUS Pro B660M-C D4-CSM is a micro-ATX business motherboard featuring the Intel LGA 1700 socket for 12th, 13th, and 14th Gen processors, supported by the Intel B660 chipset and four DDR4 DIMM slots for up to 128GB of memory. Key characteristics include PCIe 4.0 connectivity for GPUs and storage, dual M.2 slots, and enterprise-grade reliability features like an anti-moisture coating, anti-sulfur resistors, and a self-recovering BIOS. Its primary pros are the included ASUS Control Center Express for remote IT management, a stable 36-month supply lifecycle through the Corporate Stable Model (CSM) program, and robust legacy support with internal COM and LPT headers. However, notable cons include a lack of integrated Wi-Fi or Bluetooth, the absence of high-speed 2.5Gb Ethernet (limited to 1GbE), and only three fan headers, which may limit cooling configurations in larger builds.

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