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 WS B850M-Ace SE review: 109 specs compared

Avg. price:~£330CPU socket:AM5Chipset:AMD B850Form factor:microATX

ASUS Pro WS B850M-Ace SE Review: Compare 109 technical specifications and 1 expert and video reviews to see how this product ranks in the Motherboards category and whether it is worth buying.

ASUS Pro WS B850M-Ace SE
7.7/10

Overall score

Score
7.7/ 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–² Better than 76% of models
Score components

40%

7.8

Technical score

20%

7.8

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%

7.8

User score

â–²Better than 76% of motherboards
8.0

Value for money

Value for money
8.0/ 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–² Better than 66% of models
Score components

70%

7.7

Overall score

30%

8.8

Price

â–²Better than 66%
7.8

Technical score

Technical score
7.8/ 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
â–¼
<55-66-77-88-99-10
â–² Better than 82% of models
Score components

19%

10

Memory

16%

9.0

Platform

16%

7.4

Storage

15%

7.5

Network

13%

5.8

Ports

8%

6.7

Expansion

8%

6.8

Power & Cooling

5%

7.2

Audio

â–²Better than 82%
7.8

Reviews score

Reviews score
7.8/ 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 57% of models

80%

8.5

Average grade

20%

5.0

Popularity

Grades by review (1)
1 video review, counting half as much as a written test. Reviews count 20% of the overall score.
Ratings from across the web count in the User score, not in this score.
â–¼Worse than 57%
7.8

User score

User score
7.8/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 58% of models

70%

8.1

Rating

30%

6.9

Popularity

â–¼Worse than 58%
?

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-ws-b850m-ace-se
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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 WS B850M-Ace SE

Technical score
Technical score
7.8/ 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
â–¼
<55-66-77-88-99-10
â–² Better than 82% of models
Score components:

19%

10

Memory

16%

9.0

Platform

16%

7.4

Storage

15%

7.5

Network

13%

5.8

Ports

8%

6.7

Expansion

8%

6.8

Power & Cooling

5%

7.2

Audio

7.8
Reviews score
7.8
User score
7.8
List score
?
Value for money
Value for money
8.0/ 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–² Better than 66% of models
Score components:

70%

7.7

Overall score

30%

8.8

Price

8.0
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 B850
This motherboard uses AMD B850, which is more capable than 88.6% of Motherboards and as capable as 4.2% 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 + USB-C DisplayPort.
Show more
DDR memory version
DDR5
This motherboard uses DDR5, which is more modern than 63.8% of Motherboards and the same as 36.2% 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
256 GB
Market range: <32 GB – >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
8,000 MT/s
Market range: <2.1k MT/s – >8k MT/s
This motherboard supports memory speeds up to 8,000 MT/s, which is higher than that of 84.9% of motherboards and equal to that of 5.7% of motherboards.
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
2x PCIe 5.0 x4
This motherboard offers M.2 slots: 2x PCIe 5.0x4, which is faster than 79.6% of Motherboards and the same as 0.3% 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
yes
This motherboard supports NVMe RAID. 40.2% of motherboards support this feature.
Show more
N. of PCIe 5.0 x16 slots
1
Market range: <0 – >1
This motherboard has 1 PCIe 5.0x16 slots, which is more than 68.4% of motherboards and equal to 26.6% 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.
runs at x4 mode
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.
runs at x4 mode
PCIe slot electrical configuration
x16/x4
This motherboard splits its PCIe lanes as x16/x4, which is more generous than 42.1% of Motherboards and the same as 8.2% 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)
7
Market range: <6 – >10
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)
15
Market range: <11 – >19
This motherboard has 15 USB ports (including headers), which is more than 47.7% of motherboards and equal to 13.5% of motherboards.
Total USB-C ports (rear I/O)
2
Market range: <0 – >2
This motherboard has 2 USB-C ports (rear I/O), which is more than 84.2% of motherboards and equal to 12.2% of motherboards.
Total USB-C ports (including headers)
3
Market range: <0 – >3
This motherboard has 3 USB-C ports (including headers), which is more than 84.7% of motherboards and equal to 10.9% 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
10 Gbps
Market range: <1 Gbps – >2.5 Gbps
This motherboard supports LAN speeds up to 10 Gbps, which is higher than that of 95.7% of motherboards and equal to that of 4.3% of motherboards.
also includes 2.5GbE secondary port
LAN controller
Intel I225-V
This motherboard has a Intel I225-V LAN controller, which is faster than 90.1% of Motherboards and equal to 4.2% of Motherboards.
N. of RJ45 ports
3
Market range: <1 – >2
This motherboard has 3 RJ45 ports, which is more than 99% of motherboards and equal to 0.9% 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 ALC1220P
This motherboard uses Realtek ALC1220P, which is higher-end than 78.4% of Motherboards and the same as 2% 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.
full 7.1 needs front panel audio.
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.
headphone amp on rear port.
N. of 3.5mm audio jacks
2
Market range: <2 – >6
This motherboard has 2 3.5mm audio jacks, which is fewer than 88.8% of motherboards and equal to 10.8% of motherboards.
Show more
VRM phases
8+2+1
This motherboard has 8+2+1 VRM phases, which is more than 48.1% of motherboards and equal to 2.1% of motherboards.
N. of CPU power connectors
2
Market range: <1 – >2
This motherboard has 2 CPU power connectors, which is more than 54.9% of motherboards and equal to 44.8% of motherboards.
N. of fan headers
5
Market range: <3 – >8
This motherboard has 5 fan headers, which is fewer than 50% of motherboards and equal to 14.6% of motherboards.
Pump header
yes
This motherboard has a pump header. 22.1% of motherboards include this feature.
Pump header max current
1 A
Market range: <0 A – >3 A
This motherboard supports up to 1 A on the pump header, which is lower than that of 56.5% of motherboards and equal to that of 19.6% of motherboards.
Show more

ASUS Pro WS B850M-Ace SE 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
  • 2 more top-speed NVMe slots
    This motherboard has more PCIe 5.0 M.2 slots than the average motherboard (2 vs 0).
    2 vs 0
  • 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
  • 2 more RJ45 ports
    This motherboard has more RJ45 ports than the average motherboard (3 vs 1). The average motherboard has 1 RJ45 port/s.
    3 vs 1
  • More modern memory type
    This motherboard uses a more modern memory type than the average motherboard (DDR5 vs DDR4).
    DDR5 vs DDR4
  • More capable LAN controller
    This motherboard has a faster LAN controller than the average motherboard (Intel I225-V vs Killer + Intel + Realtek).
    Intel I225-V vs Killer + Intel + Realtek
  • 2 more USB 3.2 Gen2 ports
    This motherboard has more USB 3.2 Gen2 ports than the average motherboard (3 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.
    3 vs 1
  • 1 more PCIe 5.0x16 slots
    This motherboard 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
  • 6.8% higher review score
    Reviews score
    7.8/ 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 57% of models

    80%

    8.5

    Average grade

    20%

    5.0

    Popularity

    Grades by review (1)
    1 video review, counting half as much as a written test. Reviews count 20% of the overall score.
    Ratings from across the web count in the User score, not in this score.
    7.8 vs 7.3
  • 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
  • Includes POST code display
    This motherboard has a POST code display, while the average motherboard does not. 26.7% of motherboards include a POST code display.
    Q-Code display.
  • Rear-panel CMOS reset button
    This motherboard has a rear-panel CMOS reset button, while the average motherboard does not. 26.5% of motherboards include a rear-panel CMOS reset button.
  • 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
  • More modern memory type
    This motherboard uses a more modern memory type than the average motherboard (DDR5 vs DDR4).
    DDR5 vs DDR4
  • 70.2% higher maximum RAM speed
    This motherboard has a higher maximum RAM speed than the average motherboard (8,000 MT/s vs 4,699.5 MT/s). The average motherboard supports RAM speed of 4,699.5 MT/s.
    8,000 MT/s vs 4,699.5 MT/s
  • Supports ECC memory
    This motherboard supports ECC memory, while the average motherboard does not. 20.9% of motherboards support ECC memory.
  • 60% higher overclocked RAM speed
    This motherboard has a higher overclocked RAM speed than the average motherboard (8,000 MT/s vs 5,000 MT/s). The average motherboard supports overclocked RAM speed of 5,000 MT/s.
    8,000 MT/s vs 5,000 MT/s
  • 2 more top-speed NVMe slots
    This motherboard has more PCIe 5.0 M.2 slots than the average motherboard (2 vs 0).
    2 vs 0
  • 1 more U.2 sockets
    This motherboard has more U.2 sockets than the average motherboard (1 vs 0). The average motherboard has 0 U.2 socket/s.
    optional U.2 adapter excluded
    1 vs 0
  • 1 more PCIe 5.0x16 slots
    This motherboard 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
  • 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.
    runs at x4 mode
    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
  • 2 more USB 3.2 Gen2 ports
    This motherboard has more USB 3.2 Gen2 ports than the average motherboard (3 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.
    3 vs 1
  • 2 more USB 3.2 Gen2 USB-C ports
    This motherboard has more USB 3.2 Gen2 USB-C ports than the average motherboard (2 vs 0). The average motherboard has 0 USB 3.2 Gen2 USB-C port/s.
    2 vs 0
  • 1 more rear USB-C ports
    This motherboard has more rear USB-C ports than the average motherboard (2 vs 1). The average motherboard has 1 rear USB-C port/s.
    2 vs 1
  • 2 more total USB-C connections
    This motherboard has more total USB-C connections than the average motherboard (3 vs 1). The average motherboard has 1 total USB-C connections.
    3 vs 1
  • 1 more USB4 or Thunderbolt headers
    This motherboard 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
  • 1 more USB 3.2 Gen2 headers
    This motherboard has more USB 3.2 Gen2 headers than the average motherboard (1 vs 0). The average motherboard has 0 USB 3.2 Gen2 header/s.
    20Gbps Type-C header
    1 vs 0
  • 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
  • 2 more RJ45 ports
    This motherboard has more RJ45 ports than the average motherboard (3 vs 1). The average motherboard has 1 RJ45 port/s.
    3 vs 1
  • More capable LAN controller
    This motherboard has a faster LAN controller than the average motherboard (Intel I225-V vs Killer + Intel + Realtek).
    Intel I225-V vs Killer + Intel + Realtek
  • 4x higher LAN speed
    This motherboard has a higher LAN speed than the average motherboard (10 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.
    also includes 2.5GbE secondary port
    10 Gbps vs 2.5 Gbps
  • More capable onboard audio
    This motherboard has a higher-end audio codec than the average motherboard (Realtek ALC1220P vs Realtek ALC897).
    Realtek ALC1220P vs Realtek ALC897
  • 1 more CPU power connectors
    This motherboard has more CPU power connectors than the average motherboard (2 vs 1). The average motherboard has 1 CPU power connectors.
    2 vs 1
  • 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.
  • 4 fewer USB 3.2 Gen1 ports
    This motherboard 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.
    rear USB-C is faster than Gen 1
    0 vs 4
  • 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
  • 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
  • 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
  • Less generous lane split
    This motherboard splits its PCIe lanes less generously than the average motherboard (x16/x4 vs x16/x0/x4, x8/x8/x4).
    x16/x4 vs x16/x0/x4, x8/x8/x4
  • 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
  • 2.2x more expensive
    ASUS Pro WS B850M-Ace SE is more expensive than the average motherboard (£330 vs £150).
    £330 vs £150
  • Slower NVMe storage slots
    This motherboard has slower M.2 slots than the average motherboard (2x PCIe 5x4 vs 1x PCIe 5x4, 2x PCIe 4x4).
    2x PCIe 5.0x4 vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • Less generous lane split
    This motherboard splits its PCIe lanes less generously than the average motherboard (x16/x4 vs x16/x0/x4, x8/x8/x4).
    x16/x4 vs x16/x0/x4, x8/x8/x4
  • 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
  • 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.
    runs at x4 mode
    0 vs 1
  • 4 fewer USB 3.2 Gen1 ports
    This motherboard 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.
    rear USB-C is faster than Gen 1
    0 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
  • 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.
  • 1 fewer 3.5mm audio jacks
    This motherboard has fewer 3.5mm audio jacks than the average motherboard (2 vs 3). The average motherboard has 3 3.5mm audio jacks.
    2 vs 3
  • No rear microphone input
    This motherboard does not have a dedicated rear microphone input, while the average motherboard does. 96.8% of motherboards include a dedicated rear microphone input.
  • No rear line-in
    This motherboard does not have rear line-in, while the average motherboard does. 94.9% of motherboards include rear line-in.
  • 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
  • 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
  • 1 A lower pump header current limit
    This motherboard has a lower pump header current than the average motherboard (1 A vs 2 A). The average motherboard provides pump header current of 2 A.
    1 A vs 2 A
  • 0.5 fewer fan headers
    This motherboard has fewer fan headers than the average motherboard (5 vs 5.5). The average motherboard has 5.5 fan header/s.
    5 vs 5.5

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

9.0
NEXTECH
≈ estimated
07/10/2025
Hands-on review · one week of use in a workstation build
Verdict
ASUS Pro WS B850M-Ace SE has held up well through a week of daily use in a workstation build.
Overview video

Third-party reviews

What customers like about ASUS Pro WS B850M-Ace SE

  • Full out-of-band management via ASPEED AST2600 BMC (IPMI and iKVM).
  • Rare server-grade feature support for EXPO, allowing high-speed memory overclocking (up to 8000+ MT/s).
  • Triple Ethernet configuration including 10Gb, 2.5Gb, and a dedicated 1Gb management port.
  • Extensive storage options with dual PCIe 5.0 M.2 slots, MCIO, and U.2 support.
  • Wide processor compatibility ranging from consumer Ryzen 7000/9000 to commercial EPYC 4005 series.
  • Efficient low-power idle performance reported by some home users (as low as 18-20W baseline).

What customers don't like about ASUS Pro WS B850M-Ace SE

  • Poor PCIe slot layout; the second slot becomes physically inaccessible if using a GPU thicker than 2 slots.
  • Lack of PCIe bifurcation support (x8/x8), limiting multi-GPU or multi-expansion card setups.
  • Annoying fan control issues via IPMI, often requiring third-party controllers for precision.
  • Network reliability concerns, with some users reporting 'flaky' behavior or disconnections with the Realtek 10Gb controller.
  • Limited onboard SATA ports (only 4), which users find restrictive for NAS builds without additional HBA cards.
  • Absence of USB4 ports, which is seen as a drawback for a modern workstation-class board.

Verdict

The ASUS Pro WS B850M-ACE SE is a workstation-grade micro-ATX motherboard designed for the AMD AM5 socket, supporting Ryzen 7000/8000/9000 and EPYC 4005 series processors. It features an 8+2+1 power stage design (80A), four DDR5 slots supporting up to 256GB of ECC or non-ECC memory at 8000+ MT/s, and a robust storage array including two PCIe 5.0 M.2 slots, an MCIO connector, and a U.2 port. Key pros include server-grade remote management via an onboard ASPEED AST2600 BMC (IPMI), triple LAN connectivity (10Gb, 2.5Gb, and 1Gb management), and a front-panel 20Gbps USB-C connector. However, notable cons include a lack of onboard Wi-Fi, no native USB4 ports, and bandwidth sharing between the MCIO, U.2, and certain M.2/SATA ports that may limit simultaneous use of all storage interfaces.

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