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ASUS Prime B850 Plus Review | 107 Data compared

Avg. price in UK:~£130Avg. price in US:~$190CPU socket:AM5Chipset:AMD B850Form factor:ATX

ASUS Prime B850 Plus Review: Compare 107 technical specifications and user reviews to see how this product ranks in the Motherboards category and whether it is worth buying.

8.6

Overall score

Score
8.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 87% of models
Score components

90%

8.6

Technical Score

10%

8.5

User score

â–²Better than 87% of motherboards
8.6

Technical Score

Technical score
8.6/ 10
✕
What it is
An assessment of technical performance for products in the Motherboards category across these key areas: Platform & Features, Memory, Storage, Expansion, Ports & USB, Network, Audio, Power & Cooling.
When it matters
When you want to compare motherboards based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 87% of models
Score components

19%

9.9

Memory

16%

9.4

Platform & Features

16%

8.3

Storage

15%

8.9

Network

13%

6.7

Ports & USB

8%

8.3

Expansion

8%

7.8

Power & Cooling

5%

7.9

Audio

â–²Better than 87% of motherboards
8.5

User score

User score
8.5/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 73% of models
Score components

70%

9.4

User reviews

30%

6.5

Popularity

User score:
United Kingdom
amazon
4.7
(46)
amazon
4.6
(23)
amazon
5.0
(3)
United States
Amazon_logo.png
4.7
(33)
Amazon_logo.png
4.6
(23)

(Reviews last updated: May 2026)

â–²Better than 73% of motherboards
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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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Verdict

The ASUS Prime B850-PLUS is an ATX motherboard designed for the AMD AM5 socket, supporting Ryzen 9000, 8000, and 7000 series processors. Key specifications include an 8+2+1 phase digital power design, support for up to 256GB of DDR5 memory at speeds exceeding 8000MT/s (OC), and a primary PCIe 5.0 x16 slot for high-end graphics cards. For storage, it provides three M.2 slots—one featuring PCIe 5.0 x4 speeds—alongside four SATA 6Gb/s ports. Connectivity highlights include a Realtek 2.5Gb Ethernet port, a rear USB 10Gbps Type-C port, and support for WiFi 6E on specific models. Main pros include its future-proof PCIe 5.0 support, robust VRM heatsinks for stable performance, and the user-friendly BIOS FlashBack feature. Cons include a relatively limited number of only four SATA ports and the absence of onboard debug LEDs for easier troubleshooting.

Technical Specifications of motherboard ASUS Prime B850 Plus

Technical Score
Technical score
8.6/ 10
✕
What it is
An assessment of technical performance for products in the Motherboards category across these key areas: Platform & Features, Memory, Storage, Expansion, Ports & USB, Network, Audio, Power & Cooling.
When it matters
When you want to compare motherboards based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 87% of models
Score components:

19%

9.9

Memory

16%

9.4

Platform & Features

16%

8.3

Storage

15%

8.9

Network

13%

6.7

Ports & USB

8%

8.3

Expansion

8%

7.8

Power & Cooling

5%

7.9

Audio

8.6
ASUS Prime B850 Plus has a technical score of 8.6 points, which is higher than that of 86.8% of products in this category.
User score
User score
8.5/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 73% of models
Score components

70%

9.4

User reviews

30%

6.5

Popularity

User score:
United Kingdom
amazon
4.7
(46)
amazon
4.6
(23)
amazon
5.0
(3)
United States
Amazon_logo.png
4.7
(33)
Amazon_logo.png
4.6
(23)

(Reviews last updated: May 2026)

8.5
ASUS Prime B850 Plus has a user score of 8.51 points, which is higher than that of 73.5% of products in this category.
Popularity
Popularity
6.5/ 10
✕
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.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 52% of models
Popularity:
ASUS Prime B850 Plus has a popularity score of 6.5 points, which is higher than that of 52.3% of products in this category.
6.5
ASUS Prime B850 Plus has a popularity score of 6.5 points, which is higher than that of 52.3% of products in this category.
Ratio quality/price
Value for money
9.0/ 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
★ Better than 94% of models
Score components:

60%

8.6

Overall score

40%

9.8

Price

9.0
ASUS Prime B850 Plus has a value-for-money score of 9 points, which is higher than that of 94.2% of products in this category.
Brand name
Asus
CPU socket
AM5
CPU socket
AM5
â–² Better than 86% of models
This motherboard uses the AM5 CPU socket, which is more advanced than that of 85.8% of motherboards and equal to that of 14.2% of motherboards.
CPU platform
AMD
CPU platform
AMD
â–¼ Worse than 68% of models
This motherboard is built for the AMD CPU platform, which is less common than that of 68.5% of motherboards and equal to that of 31.5% of motherboards.
Chipset
AMD B850
Chipset
AMD B850
â–² Better than 89% of models
This motherboard uses the AMD B850 chipset, which is more advanced than that of 89.2% of motherboards and equal to that of 3.9% of motherboards.
Form factor
ATX
Form factor
ATX
â–² Better than 48% of models
This motherboard has the ATX form factor, which is more versatile than that of 47.8% of motherboards and equal to that of 52.2% of motherboards.
Show more
DDR memory version
DDR5
DDR memory version
DDR5
â–² Better than 64% of models
This motherboard uses DDR5 memory, which is newer than that of 64.3% of motherboards and equal to that of 35.7% of motherboards.
Memory slots
4
Memory slots
4
â–² Better than 21% of models
Market range: <2 – >4
This motherboard has 4 Memory slots, which is more than 21.5% of motherboards and equal to 72.5% of motherboards.
Maximum memory capacity
256 GB
Maximum memory capacity
256 GB
â–² Better than 83% of models
Market range: <32 GB – >256 GB
This motherboard supports up to 256 GB of memory, which is more than 82.9% of motherboards and equal to 16.4% of motherboards.
Memory channels
2
Memory channels
2
â–¼ Worse than 7% of models
This motherboard supports 2 memory channels, which is more than 0.2% of motherboards and equal to 92.6% of motherboards.
Maximum RAM speed
8,000 MT/s
Maximum RAM speed
8,000 MT/s
â–² Better than 85% of models
Market range: <2k MT/s – >8k MT/s
This motherboard supports memory speeds up to 8,000 MT/s, which is higher than that of 85% of motherboards and equal to that of 5.7% of motherboards.
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N. of M.2 sockets
3
N. of M.2 sockets
3
â–² Better than 65% of models
Market range: <0 – >4
This motherboard has 3 M.2 sockets, which is more than 65.2% of motherboards and equal to 18.8% of motherboards.
M.2 slot interface per slot
1x PCIe 5.0 x4, 1x PCIe 4.0 x4, 1x PCIe 4.0 x2
M.2 slot interface per slot
1x PCIe 5.0 x4, 1x PCIe 4.0 x4, 1x PCIe 4.0 x2
â–² Better than 89% of models
This motherboard offers 1x PCIe 5.0x4, 1x PCIe 4.0x4, 1x PCIe 4.0x2 for M.2 slot interfaces, which is faster than that of 89% of motherboards and equal to that of 1.3% of motherboards.
N. of SATA 3 connectors
4
N. of SATA 3 connectors
4
â–¼ Worse than 48% of models
Market range: <4 – >8
This motherboard has 4 SATA 3 connectors, which is more than 5.6% of motherboards and equal to 46.2% of motherboards.
Supported RAID levels
0/1/5/10
Supported RAID levels
0/1/5/10
â–² Better than 32% of models
This motherboard supports RAID levels 0/1/5/10, which is broader than 32% of motherboards and equal to 68% of motherboards.
NVMe RAID support
yes
NVMe RAID support
yes
â–² Better than 40% of models
This motherboard supports NVMe RAID. 40.3% of motherboards support this feature.
Show more
N. of PCIe 5.0 x16 slots
1
N. of PCIe 5.0 x16 slots
1
â–² Better than 69% of models
Market range: <0 – >1
This motherboard 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
1
N. of PCIe 4.0 x16 slots
1
â–² Better than 56% of models
Market range: <0 – >1
This motherboard has 1 PCIe 4.0x16 slots, which is more than 55.5% of motherboards and equal to 35.4% of motherboards.
N. of PCIe 3.0 x16 slots
2
N. of PCIe 3.0 x16 slots
2
â–² Better than 67% of models
Market range: <0 – >3
This motherboard has 2 PCIe 3.0x16 slots, which is more than 67.3% of motherboards and equal to 15.4% of motherboards.
runs at x1 mode
PCIe slot electrical configuration
x16/x4/x1/x1
PCIe slot electrical configuration
x16/x4/x1/x1
â–² Better than 85% of models
This motherboard uses x16/x4/x1/x1 for PCIe slot electrical configuration, which is more flexible than that of 84.7% of motherboards and equal to that of 2.1% of motherboards.
PCIe bifurcation support
yes
PCIe bifurcation support
yes
â–² Better than 40% of models
This motherboard supports PCIe bifurcation. 40.4% of motherboards support this feature.
x8/x4.
Show more
Total USB ports (rear I/O)
8
Total USB ports (rear I/O)
8
â–² Better than 40% of models
Market range: <6 – >10
This motherboard has 8 USB ports (rear I/O), which is more than 40.2% of motherboards and equal to 30.5% of motherboards.
Total USB ports (including headers)
17
Total USB ports (including headers)
17
â–² Better than 71% of models
Market range: <11 – >19
This motherboard has 17 USB ports (including headers), which is more than 71.3% of motherboards and equal to 10.4% of motherboards.
Total USB-C ports (rear I/O)
1
Total USB-C ports (rear I/O)
1
â–² Better than 35% of models
Market range: <0 – >2
This motherboard has 1 USB-C ports (rear I/O), which is more than 35.5% of motherboards and equal to 48.7% of motherboards.
Total USB-C ports (including headers)
2
Total USB-C ports (including headers)
2
â–² Better than 52% of models
Market range: <0 – >3
This motherboard has 2 USB-C ports (including headers), which is more than 51.7% of motherboards and equal to 32.9% of motherboards.
N. of USB 3.2 Gen2x2 ports (USB-C)
0
N. of USB 3.2 Gen2x2 ports (USB-C)
0
â–¼ Worse than 18% of models
Market range: <0 – >1
This motherboard has 0 USB 3.2 Gen2x2 ports (USB-C), which is fewer than 18.3% of motherboards and equal to 81.7% of motherboards.
10Gbps excluded.
Show more
LAN speed
2.5 Gbps
LAN speed
2.5 Gbps
â–² Better than 49% of models
Market range: <1 Gbps – >2.5 Gbps
This motherboard supports LAN speeds up to 2.5 Gbps, which is higher than that of 49.3% of motherboards and equal to that of 41.4% of motherboards.
LAN controller
Killer + Intel + Realtek
LAN controller
Killer + Intel + Realtek
â–¼ Worse than 65% of models
This motherboard uses the Killer + Intel + Realtek LAN controller, which is less advanced than that of 64.6% of motherboards and equal to that of 28.7% of motherboards.
N. of RJ45 ports
1
N. of RJ45 ports
1
â–¼ Worse than 14% of models
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
yes
Wi-Fi connectivity
yes
â–² Better than 50% of models
This motherboard supports Wi-Fi connectivity. 50% of motherboards support this feature.
Wi-Fi 6E.
Wi-Fi version
Wi-Fi 6E (802.11ax)
Wi-Fi version
Wi-Fi 6E (802.11ax)
â–² Better than 72% of models
This motherboard supports Wi-Fi 6E (802.11ax), which is newer than that of 72.1% of motherboards and equal to that of 16.6% of motherboards.
Show more
Audio codec
Realtek ALC897
Audio codec
Realtek ALC897
â–¼ Worse than 50% of models
This motherboard uses the Realtek ALC897 audio codec, which is less advanced than that of 50.3% of motherboards and equal to that of 29.2% of motherboards.
Audio channels
7.1
Audio channels
7.1
â–² Better than 5% of models
This motherboard offers 7.1 audio channels, which is more than 4.9% of motherboards and equal to 95.1% of motherboards.
Audio SNR
?
Headphone amp support
yes
Headphone amp support
yes
â–² Better than 41% of models
This motherboard supports a headphone amp. 40.8% of motherboards support this feature.
N. of 3.5mm audio jacks
3
N. of 3.5mm audio jacks
3
â–¼ Worse than 50% of models
Market range: <2 – >6
This motherboard has 3 3.5mm audio jacks, which is fewer than 50.4% of motherboards and equal to 38.1% of motherboards.
Show more
VRM phases
8+2+1
VRM phases
8+2+1
â–¼ Worse than 50% of models
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
N. of CPU power connectors
2
â–² Better than 55% of models
Market range: <1 – >2
This motherboard has 2 CPU power connectors, which is more than 54.6% of motherboards and equal to 45.1% of motherboards.
N. of fan headers
6
N. of fan headers
6
â–² Better than 50% of models
Market range: <3 – >8
This motherboard has 6 fan headers, which is more than 50% of motherboards and equal to 22.3% of motherboards.
Pump header
yes
Pump header
yes
â–² Better than 22% of models
This motherboard has a pump header. 21.9% of motherboards include this feature.
Pump header max current
1 A
Pump header max current
1 A
â–¼ Worse than 56% of models
Market range: <0 A – >3 A
This motherboard supports up to 1 A on the pump header, which is lower than that of 56.3% of motherboards and equal to that of 19.7% of motherboards.
Show more

ASUS Prime B850 Plus vs the average motherboard

246810TotalPlatform & FeaturesMemoryStorageExpansionPorts & USBNetworkAudioPower & Cooling
  • Newer CPU socket
    CPU socket
    AM5
    â–² Better than 86% of models
    This motherboard has newer CPU socket than the average motherboard (AM5 vs LGA 1151). The average motherboard uses LGA 1151 CPU socket.
    AM5 vs LGA 1,151
  • 2x more maximum memory capacity
    Maximum memory capacity
    256 GB
    â–² Better than 83% of models
    Market range: <32 GB – >256 GB
    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
  • Newer DDR memory generation
    DDR memory version
    DDR5
    â–² Better than 64% of models
    This motherboard has newer DDR memory generation than the average motherboard (DDR5 vs DDR4). The average motherboard supports DDR4 memory.
    DDR5 vs DDR4
  • 2 more USB 3.2 Gen2 ports
    N. of USB 3.2 Gen2 ports (USB-A)
    3
    â–² Better than 80% of models
    Market range: <0 – >4
    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
    N. of PCIe 5.0 x16 slots
    1
    â–² Better than 69% of models
    Market range: <0 – >1
    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 M.2 sockets
    N. of M.2 sockets
    3
    â–² Better than 65% of models
    Market range: <0 – >4
    This motherboard has more M.2 sockets than the average motherboard (3 vs 2). The average motherboard has 2 M.2 socket/s.
    3 vs 2
  • 1 more CPU power connectors
    N. of CPU power connectors
    2
    â–² Better than 55% of models
    Market range: <1 – >2
    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
  • Integrated I/O shield
    Integrated I/O shield
    yes
    â–² Better than 54% of models
    This motherboard has an integrated I/O shield, while the average motherboard does not. 46% of motherboards include an integrated I/O shield.
    Pre-mounted I/O shield.
  • 21% better value for money
    ASUS Prime B850 Plus has better value for money than the average motherboard (8.97 vs 7.4).
    8.97 vs 7.41
  • Newer CPU socket
    CPU socket
    AM5
    â–² Better than 86% of models
    This motherboard has newer CPU socket than the average motherboard (AM5 vs LGA 1151). The average motherboard uses LGA 1151 CPU socket.
    AM5 vs LGA 1,151
  • Integrated I/O shield
    Integrated I/O shield
    yes
    â–² Better than 54% of models
    This motherboard has an integrated I/O shield, while the average motherboard does not. 46% of motherboards include an integrated I/O shield.
    Pre-mounted I/O shield.
  • Includes dual BIOS
    Dual BIOS
    yes
    â–² Better than 77% of models
    This motherboard has dual BIOS, while the average motherboard does not. 23% of motherboards include dual BIOS.
  • 4 newer release date
    Release date
    2025
    ★ Better than 90% of models
    Market range: <2k – >2k
    This motherboard has a newer release date than the average motherboard (2025 vs 2021). The average motherboard was released in 2021.
    January 2025
    2025 vs 2021
  • 2x more maximum memory capacity
    Maximum memory capacity
    256 GB
    â–² Better than 83% of models
    Market range: <32 GB – >256 GB
    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
  • Newer DDR memory generation
    DDR memory version
    DDR5
    â–² Better than 64% of models
    This motherboard has newer DDR memory generation than the average motherboard (DDR5 vs DDR4). The average motherboard supports DDR4 memory.
    DDR5 vs DDR4
  • 69% higher maximum RAM speed
    Maximum RAM speed
    8,000 MT/s
    â–² Better than 85% of models
    Market range: <2k MT/s – >8k MT/s
    This motherboard has a higher maximum RAM speed than the average motherboard (8000 MT/s vs 4733 MT/s). The average motherboard supports RAM speed of 4733 MT/s.
    8,000 MT/s vs 4,733 MT/s
  • 62.2% higher overclocked RAM speed
    Maximum overclocked RAM speed
    8,000 MT/s
    â–² Better than 81% of models
    Market range: <2.7k MT/s – >8.2k MT/s
    This motherboard has a higher overclocked RAM speed than the average motherboard (8000 MT/s vs 4933 MT/s). The average motherboard supports overclocked RAM speed of 4933 MT/s.
    8,000 MT/s vs 4,933 MT/s
  • 1 more M.2 sockets
    N. of M.2 sockets
    3
    â–² Better than 65% of models
    Market range: <0 – >4
    This motherboard has more M.2 sockets than the average motherboard (3 vs 2). The average motherboard has 2 M.2 socket/s.
    3 vs 2
  • 1 more PCIe 5.0x16 slots
    N. of PCIe 5.0 x16 slots
    1
    â–² Better than 69% of models
    Market range: <0 – >1
    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
    N. of PCIe 4.0 x16 slots
    1
    â–² Better than 56% of models
    Market range: <0 – >1
    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
    N. of PCIe x4 slots
    1
    â–² Better than 73% of models
    Market range: <0 – >1
    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
  • More flexible PCIe lane configuration
    PCIe slot electrical configuration
    x16/x4/x1/x1
    â–² Better than 85% of models
    This motherboard has more flexible PCIe lane configuration than the average motherboard (x16/x4/x1/x1 vs x16/x0/x4, x8/x8/x4). The average motherboard uses x16/x0/x4, x8/x8/x4 PCIe slot lane configuration.
    x16/x4/x1/x1 vs x16/x0/x4, x8/x8/x4
  • 2 more USB 3.2 Gen2 ports
    N. of USB 3.2 Gen2 ports (USB-A)
    3
    â–² Better than 80% of models
    Market range: <0 – >4
    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 USB 3.2 Gen2 USB-C ports
    N. of USB 3.2 Gen2 ports (USB-C)
    1
    â–² Better than 65% of models
    Market range: <0 – >1
    This motherboard has more USB 3.2 Gen2 USB-C ports than the average motherboard (1 vs 0). The average motherboard has 0 USB 3.2 Gen2 USB-C port/s.
    1 vs 0
  • 2 more total USB connections
    Total USB ports (including headers)
    17
    â–² Better than 71% of models
    Market range: <11 – >19
    This motherboard has more total USB connections than the average motherboard (17 vs 15). The average motherboard has 15 total USB connections.
    17 vs 15
  • 1 more USB 2.0 headers
    N. of USB 2.0 headers (USB-A)
    3
    ★ Better than 91% of models
    Market range: <1 – >2
    This motherboard has more USB 2.0 headers than the average motherboard (3 vs 2). The average motherboard has 2 USB 2.0 header/s.
    3 vs 2
  • 1 more USB4 or Thunderbolt headers
    N. of USB4 / Thunderbolt headers (USB-C)
    1
    â–² Better than 66% of models
    Market range: <0 – >1
    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 total USB-C connections
    Total USB-C ports (including headers)
    2
    â–² Better than 52% of models
    Market range: <0 – >3
    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
  • Newer Wi-Fi standard
    Wi-Fi version
    Wi-Fi 6E (802.11ax)
    â–² Better than 72% of models
    This motherboard has newer Wi-Fi standard than the average motherboard (Wi-Fi 6E (802.11ax) vs Wi-Fi 5 (802.11ac)). The average motherboard supports Wi-Fi 5 (802.11ac) Wi-Fi.
    Wi-Fi 6E (802.11ax) vs Wi-Fi 5 (802.11ac)
  • Supports Bluetooth
    Bluetooth connectivity
    yes
    â–² Better than 51% of models
    This motherboard supports Bluetooth, while the average motherboard does not. 48.9% of motherboards support Bluetooth.
  • 1 more CPU power connectors
    N. of CPU power connectors
    2
    â–² Better than 55% of models
    Market range: <1 – >2
    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
  • 1 more ARGB headers
    N. of ARGB headers (3-pin)
    3
    â–² Better than 76% of models
    Market range: <0 – >3
    This motherboard has more ARGB headers than the average motherboard (3 vs 2). The average motherboard has 2 ARGB header/s.
    3 vs 2
  • 2 fewer USB 3.2 Gen1 ports
    N. of USB 3.2 Gen1 ports (USB-A)
    2
    â–¼ Worse than 60% of models
    Market range: <0 – >6
    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
    Multi-GPU support
    no
    â–¼ Worse than 55% of models
    This motherboard does not support multi-GPU, while the average motherboard does. 54.6% of motherboards support multi-GPU.
  • 2 fewer 3.5mm audio jacks
    N. of 3.5mm audio jacks
    3
    â–¼ Worse than 50% of models
    Market range: <2 – >6
    This motherboard has fewer 3.5mm audio jacks than the average motherboard (3 vs 5). The average motherboard has 5 3.5mm audio jacks.
    3 vs 5
  • 1 fewer RGB headers
    N. of RGB headers (4-pin)
    0
    â–¼ Worse than 69% of models
    Market range: <0 – >2
    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 fewer PCIe x1 slots
    N. of PCIe x1 slots
    0
    â–¼ Worse than 69% of models
    Market range: <0 – >3
    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
  • Older CPU platform
    CPU platform
    AMD
    â–¼ Worse than 68% of models
    This motherboard uses the AMD CPU platform compared to Intel on the average motherboard. The average motherboard uses Intel CPU platform.
    AMD vs Intel
  • Fewer useful accessories
    Included accessories
    2x SATA cables, Wi-Fi antenna, M.2 kit
    â–¼ Worse than 50% of models
    This motherboard has fewer useful accessories than the average motherboard (2x SATA cables, Wi-Fi antenna, M.2 kit vs 2x SATA cables, Wi-Fi antenna, M.2 kit, front-panel adapter, RGB cable). The average motherboard comes with 2x SATA cables, Wi-Fi antenna, M.2 kit, front-panel adapter, RGB cable.
    2x SATA cables, Wi-Fi antenna, M.2 kit vs 2x SATA cables, Wi-Fi antenna, M.2 kit, front-panel adapter, RGB cable
  • 61 mm wider
    Width
    305 mm
    â–¼ Worse than 85% of models
    Market range: <170 mm – >320 mm
    This motherboard is wider than the average motherboard (305 mm vs 244 mm). The average motherboard width is 244 mm.
    305 mm vs 244 mm
  • Older CPU platform
    CPU platform
    AMD
    â–¼ Worse than 68% of models
    This motherboard uses the AMD CPU platform compared to Intel on the average motherboard. The average motherboard uses Intel CPU platform.
    AMD vs Intel
  • Fewer useful accessories
    Included accessories
    2x SATA cables, Wi-Fi antenna, M.2 kit
    â–¼ Worse than 50% of models
    This motherboard has fewer useful accessories than the average motherboard (2x SATA cables, Wi-Fi antenna, M.2 kit vs 2x SATA cables, Wi-Fi antenna, M.2 kit, front-panel adapter, RGB cable). The average motherboard comes with 2x SATA cables, Wi-Fi antenna, M.2 kit, front-panel adapter, RGB cable.
    2x SATA cables, Wi-Fi antenna, M.2 kit vs 2x SATA cables, Wi-Fi antenna, M.2 kit, front-panel adapter, RGB cable
  • No multi-GPU support
    Multi-GPU support
    no
    â–¼ Worse than 55% of models
    This motherboard does not support multi-GPU, while the average motherboard does. 54.6% of motherboards support multi-GPU.
  • 1 fewer PCIe x1 slots
    N. of PCIe x1 slots
    0
    â–¼ Worse than 69% of models
    Market range: <0 – >3
    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
  • 2 fewer USB 3.2 Gen1 ports
    N. of USB 3.2 Gen1 ports (USB-A)
    2
    â–¼ Worse than 60% of models
    Market range: <0 – >6
    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
  • 2 fewer 3.5mm audio jacks
    N. of 3.5mm audio jacks
    3
    â–¼ Worse than 50% of models
    Market range: <2 – >6
    This motherboard has fewer 3.5mm audio jacks than the average motherboard (3 vs 5). The average motherboard has 5 3.5mm audio jacks.
    3 vs 5
  • No optical S/PDIF out
    Optical S/PDIF out (TOSLINK)
    no
    â–¼ Worse than 56% of models
    This motherboard does not have optical S/PDIF out, while the average motherboard does. 55.8% of motherboards include optical S/PDIF out.
  • 1 fewer RGB headers
    N. of RGB headers (4-pin)
    0
    â–¼ Worse than 69% of models
    Market range: <0 – >2
    This motherboard has fewer RGB headers than the average motherboard (0 vs 1). The average motherboard has 1 RGB header/s.
    0 vs 1
  • 61 mm wider
    Width
    305 mm
    â–¼ Worse than 85% of models
    Market range: <170 mm – >320 mm
    This motherboard is wider than the average motherboard (305 mm vs 244 mm). The average motherboard width is 244 mm.
    305 mm vs 244 mm
  • 1 A lower pump header current limit
    Pump header max current
    1 A
    â–¼ Worse than 56% of models
    Market range: <0 A – >3 A
    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

Graphic comparison of ASUS Prime B850 Plus and other products in the Motherboards category

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Third-party reviews

United Kingdom
amazon
4.7
46 Reviews
amazon
4.6
23 Reviews
amazon
5.0
3 Reviews
United States
Amazon_logo.png
4.7
33 Reviews
Amazon_logo.png
4.6
23 Reviews

(Reviews last updated: May 2026)

What customers like about ASUS Prime B850 Plus?

  • Reliable stability and ease of setup for first-time builders
  • Excellent WiFi 6E performance with near-gigabit wireless speeds
  • EXPO memory profiles work immediately without manual tweaking
  • Efficient VRM cooling that maintains stable temperatures under load
  • Intuitive and well-organized UEFI BIOS interface
  • Accurate and responsive fan control through Q-Fan software
  • Future-proof support for PCIe 5.0 GPUs and multiple M.2 slots

What customers dislike about ASUS Prime B850 Plus?

  • Limited legacy storage options with only four SATA ports
  • Lack of a debug LED makes troubleshooting non-POST issues difficult
  • Only two rear USB 10Gbps ports compared to some competitors
  • BIOS defaults to 'AI' automatic settings that may apply excessive voltage
  • Less granular voltage controls for advanced memory overclocking
  • No integrated I/O shield (on some regional Prime variants)
  • Included M.2 heatsinks are basic and may struggle with high-end Gen 5 drives

Video reviews

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

Compare ASUS Prime B850 Plus with other products in the Motherboards category

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