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ASUS PRIME B850M-K

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ASUS PRIME B850M-K Specifications Review

ASUS PRIME B850M-K by ASUS is a Micro-ATX form factor motherboard based on the mid-range AMD B850 chipset and AM5 socket, providing a balanced set of features and connectivity. It is designed to support DDR5 memory, with 2 slots, a maximum capacity of 128 GB, and an overclocking speed of up to 8400 MHz.

VRM Quality

The ASUS PRIME B850M-K has a basic VRM configuration, delivering 60 A across 8 phases. Best for low-power CPUs (≤65 W TDP). Using high-wattage chips or overclocking could cause severe thermal issues and instability. Recommended for budget builds, office workstations, and media PCs.

See the VRM Appropriate CPU Specification Table at the bottom of this page for recommended CPU options.

Expansion and Storage Overview

The ASUS PRIME B850M-K offers a well-equipped expansion and storage configuration with PCIe 5.0 support, meaning it uses PCI Express 5.0, the newest standard offering extremely high bandwidth for next-generation graphics cards and ultra-fast NVMe storage. It also includes 2 x16 slots . These PCIe slots are used to connect expansion cards — with the x16 slots typically reserved for graphics cards, while x8, x4, and x1 slots are used for devices like capture cards, sound cards, or network adapters.

For storage, this motherboard provides 2 M.2 slots (PCIe 5.0 x4, PCIe 4.0 x4, PCIe 4.0 x2) and 4 SATA ports. M.2 slots are high-speed connectors for modern NVMe SSDs, which are much faster than older storage, while SATA ports are used for traditional hard drives and 2.5-inch SSDs. Together, they allow you to mix fast primary storage with larger, more affordable drives for bulk data.

Connectivity Overview

This motherboard has essential connectivity features with wired 1 x Realtek 2.5Gb EthernetASUS LANGuard Ethernet . USB connectivity covers basic needs. Please refer to the specification table for details.

For video output, this motherboard includes HDMI version 2.1 , DisplayPort version 1.4 . These video outputs are intended for integrated graphics and will only function if your CPU includes integrated GPU capabilities.

Audio Quality

The motherboard includes a standard audio chipset (Realtek® ALC892/ALC897) that covers basic needs for casual listening. While adequate for everyday use with mainstream headphones or desktop speakers, discerning users may want to add a USB DAC or sound card for improved fidelity, especially for music production or high-end headphones.

Overall Quality and Value

ASUS PRIME B850M-K is a dependable choice with a respectable overall quality score of 53.40. It provides all the essential features and stable performance expected in a mainstream system, covering typical use cases without unnecessary extras.

This motherboard shows a % value score indicating less favorable price-to-performance compared to mainstream models. For budget-conscious buyers, there may be better value options available at this price point.

General Information

ManufacturerASUS
Motherboard NameASUS PRIME B850M-K
Current Price Amazon $0
Amazon Price Updated No price update history available.
Motherboard AvailableFalse
Chipset / SocketAMD B850 / AM5
Form Factor Micro-ATX

VRM Configuration

CPU Power Phases (Amps) 8 (60 A)
Power Design8 + 2 + 1

Memory Information

Type / Slots DDR5 / 2 slots
Max Capacity / Max OC 128 GB / 8400 MHz

PCIe Slot Configuration

Supported Version PCIe 5.0
Slot Size Physical Slots Gen5 Gen4
x16 2 1 1

Storage Configuration

M.2 Slot Count 2 slots
M.2 Supported Lengths 2280, 2242, 2260
M.2 PCIe Modes PCIe 5.0 x4, PCIe 4.0 x4, PCIe 4.0 x2
SATA Ports 4

Onboard Audio Features

Audio Chipset Realtek® ALC892/ALC897
Analog Audio Jacks 3 jacks
Spatial/Surround Audio ✔️ Rear Output Supports Spatial Audio

Motherboard Display Outputs

HDMI Output HDMI - Version 2.1 (Max: 4K@60Hz)
DisplayPort Output DisplayPort - Version 1.4 (Max: 8K@30Hz)

USB and Thunderbolt Connectivity

Rear USB Ports

USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 2 Type-A (10 Gbps)2

Front USB Ports

USB 3.2 Gen 1 Type-C (5 Gbps)1
Power Delivery (W)15W

Internal USB Headers

USB 2.0 Header (480 Mbps)4
USB 3.2 Gen 1 Header (5 Gbps)2

Networking Information

Ethernet Chipset: 1 x Realtek 2.5Gb EthernetASUS LANGuard
LAN Ports: 1
Wi-Fi Module: Not Included
Bluetooth Supported: No

Button Features

Buttons BIOS Flashback

Quality & Features

Additional Information

CPU SupportAMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors* * Refer to https://www.asus.com/support/download-center/ for CPU support list.
OS SupportWindows®11, Windows®10 64-bit
RAMSupports DDR5 memory. Max OC speed varies by CPU: up to 8400+ MT/s with Ryzen 8000 Series, 8200+ MT/s with Ryzen 9000 Series, and 8000+ MT/s with Ryzen 7000 Series. Supports ECC and Non-ECC Un-buffered DIMM. Supports AMD Extended Profiles for Overclocking (EXPO™) and ASUS Enhanced Memory Profile (AEMP). Non-ECC, un-buffered DDR5 memory supports On-Die ECC function. Supported memory types, data rate, and number of DRAM modules vary depending on the CPU and memory configuration.
DisplayGraphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
ExpansionThe primary x16 slot's specification depends on the CPU installed: it supports PCIe 5.0 x16 with AMD Ryzen 9000 & 7000 Series CPUs, but operates at PCIe 4.0 x8/x4 mode with Ryzen 8000 Series CPUs. The second physical x16 slot is connected to the chipset and supports PCIe 4.0 x4 mode. Please check the PCIe bifurcation table on the ASUS support site as specifications vary by CPU type.
Storage M.2 Slot Details:
  • M.2_1 – 5.0 , Lengths: 2280 , Source: CPU
    With AMD Ryzen 9000/7000 Series processors, this slot supports PCIe 5.0 x4 mode. With AMD Ryzen 8000 Series processors, it supports PCIe 4.0 x4 mode.
  • M.2_2 – 4.0 , Lengths: 2242, 2260, 2280 , Source: CPU
    With AMD Ryzen 9000/7000 Series processors, this slot supports PCIe 4.0 x4 mode. With AMD Ryzen 8000 Series processors, it supports PCIe 4.0 x4/x2 mode.
RAID Support: SATA & PCIe (Levels: 0, 1, 5, 10)
RAID support and levels vary by CPU type. Ryzen 9000 Series supports RAID 0/1/5/10. Ryzen 8000 Series supports RAID 0/1. Ryzen 7000 Series supports RAID 0/1/10. General specifications vary by CPU types.
Audio Features include Jack-detection, Multi-streaming, Front Panel Jack-retasking, and support for up to 24-Bit/192 kHz playback. It also has Audio Shielding, premium audio capacitors, and dedicated audio PCB layers. A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Networking ASUS LANGuard
Buttons The motherboard includes a Clear CMOS header, not a button.
Accessories Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x I/O Shield 1 x M.2 rubber package 1 x Screw package for M.2 SSD Documentation 1 x Quick start guide
Dimensions micro-ATX Form Factor9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm )

Note: The specifications and descriptions above are extracted by AI to present the official manufacturer data in a clearer and more natural way for easier understanding. However, this AI-processed information may contain inaccuracies. Please verify all details by consulting the official manufacturer's information provided below.


ASUS PRIME B850M-K Compared to Motherboards with Similar Performance and Features

Motherboard Quality & Features per Price Table

Motherboard (Desc) Price (Desc) Overall_Q (Desc) VRM_Q (Desc) Chipset (Desc) Exp_Str (Desc) Connect (Desc) Audio (Desc) Q&F/Price (Desc)
GIGABYTE B850 Gaming WIFI6
$170 | ↓ -5.6%
54.4%
18.0%
80.0%
83.0%
51.0%
40.0%
60.8%
MSI B650M Project Zero
$229 | ↑ 0.1%
54.4%
39.0%
81.0%
43.0%
69.0%
40.0%
45.2%
GIGABYTE B650 Gaming X AX
$150 | ↓ -8.8%
53.8%
24.0%
74.0%
66.0%
62.0%
43.0%
68.2%
GIGABYTE B850M Eagle WIFI6E
$155 | ↓ -0.2%
53.6%
24.0%
80.0%
65.0%
59.0%
40.0%
65.5%
ASUS PRIME B850M-K
$0 | 0.0%
53.4%
25.0%
84.0%
75.0%
38.0%
45.0%
N/A
MSI PRO B650M-A
$178 | ↑ 26.8%
53.2%
23.0%
76.0%
59.0%
65.0%
43.0%
56.9%
ASRock AMD B850M Pro A WiFi 6E
$110 | ↓ -8.3%
52.8%
20.0%
78.0%
66.0%
60.0%
40.0%
91.2%
ASUS TUF Gaming B650M-E WIFI
$195❗ | ↓ -0.8%
52.2%
25.0%
78.0%
62.0%
51.0%
45.0%
51.0%
ASUS Prime B840M-A WiFi-CSM
$170 | ↓ -4.8%
52.2%
25.0%
73.0%
67.0%
51.0%
45.0%
58.3%

Motherboard Comparison and Detail Specifications Table

Specification
GIGABYTE B850 Gaming WIFI6
GIGABYTE B850 Gaming WIFI6
MSI B650M Project Zero
MSI B650M Project Zero
GIGABYTE B650 Gaming X AX
GIGABYTE B650 Gaming X AX
GIGABYTE B850M Eagle WIFI6E
GIGABYTE B850M Eagle WIFI6E

No image available

ASUS PRIME B850M-K
MSI PRO B650M-A
MSI PRO B650M-A
ASRock AMD B850M Pro A WiFi 6E
ASRock AMD B850M Pro A WiFi 6E
ASUS TUF Gaming B650M-E WIFI
ASUS TUF Gaming B650M-E WIFI
ASUS Prime B840M-A WiFi-CSM
ASUS Prime B840M-A WiFi-CSM
Perf Chart
Price
$170 | ↓ -5.6%
$229 | ↑ 0.1%
$150 | ↓ -8.8%
$155 | ↓ -0.2%
$0 | 0.0%
$178 | ↑ 26.8%
$110 | ↓ -8.3%
$195❗ | ↓ -0.8%
$170 | ↓ -4.8%
Manufacturer GIGABYTE MSI GIGABYTE GIGABYTE ASUS MSI ASRock Asus ASUS
Chip/Socket B850 / AM5 B650M / AM5 B650 / AM5 B850M / AM5 AMD B850 / AM5 B650M / AM5 B850M / AM5 B650M-E / AM5 B840 / AM5
Form Standard-ATX Micro-ATX Standard-ATX Micro-ATX Micro-ATX Micro-ATX Micro-ATX Micro-ATX Standard-ATX
CPU Phases 6 (60 A) 10 (80 A) 8 (60 A) 8 (60 A) 8 (60 A) 8 (55 A) 8 (50 A) 8 (60 A) 8 (60 A)
PWR Design 6+2+2 10+2+1 8+2+1 8+2+2 8 + 2 + 1 8+2 8+2+1 8(60A)+2(60A)+1 8+2+1
Mem Slots 4 / DDR5 4 / DDR5 4 / DDR5 4 / DDR5 2 / DDR5 4 / DDR5 4 / DDR5 4 / DDR5 4 / DDR5
Max Mem 256 GB / 8200 MHz 256 GB / 7600 MHz 256 GB / 8000 MHz 256 GB / 8200 MHz 128 GB / 8400 MHz 256 GB / 7200 MHz 256 GB / 8000 MHz 192 GB / 7600 MHz 256 GB / 7600 MHz
PCIe PCIe 5.0 PCIe 4.0 PCIe 4.0 PCIe 5.0 PCIe 5.0 PCIe 4.0 PCIe 5.0 PCIe 4.0 PCIe 4.0
PCIe Slots 1x16 Gen5 | 3x16 Gen3 1x16 Gen4 | 1x1 Gen3 1x16 Gen4 | 2x16 Gen3 1x16 Gen5 | 1x16 Gen3 1x16 Gen5 | 1x16 Gen4 2x16 Gen4 | 1x1 Gen3 1x16 Gen5 | 1x4 Gen4 1x16 Gen4 | 2x1 Gen4 1x16 Gen4 | 2x16 Gen3
M.2 3 2 3 2 2 2 3 2 3
SATA 4 4 4 4 4 4 4 4 4
Audio Realtek® Audio CODEC Realtek® ALC897 Codec Realtek® Audio CODEC Realtek® Audio CODEC Realtek® ALC892/ALC897 Realtek® ALC897 Codec Realtek ALC897 Audio Codec Realtek® ALC892/ALC897 Realtek® ALC892/ALC897
S/PDIF ✔️ ✔️
HDMI ✔️ (2.1) ✔️ (2.1) ✔️ (2.1) ✔️ (2.1) ✔️ (2.1) ✔️ (2.1) ✔️ (2.1) ✔️ (2.1) ✔️ (2.1)
DP ✔️ (1.4) ✔️ (1.4) ✔️ (1.4) ✔️ (1.4) ✔️ (1.4) ✔️ (1.4) ✔️ (1.4) ✔️ (1.4) ✔️ (1.4)
LAN Realtek® GbE LAN chip (1… (1 ports) Realtek® RTL8125BG 2.5Gb… (1 ports) Realtek® 2.5GbE LAN chip… (1 ports) Realtek® 2.5GbE LAN chip… (1 ports) 1 x Realtek 2.5Gb Ethern… (1 ports) Realtek® 8125BG 2.5G (1 ports) 2.5 Gigabit LAN 10/100/1… (1 ports) Realtek 2.5Gb Ethernet (1 ports) Realtek 2.5Gb Ethernet (1 ports)
Wi-Fi Wi-Fi 6 Wi-Fi Wi-Fi 6E Wi-Fi 6E Wi-Fi 6E Wi-Fi 6E Wi-Fi Wi-Fi 6E Wi-Fi 6 Wi-Fi 6E
BT v5.3 v5.3 v5.2 / 5.3 v5.3 v5.3 v5.2 v5.2 v5.3
Rear USB
USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 1 Type-C (5 Gbps)1
USB 3.2 Gen 2 Type-A (10 Gbps)2
USB 2.0 Type-A (480 Mbps)2
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 2 Type-A (10 Gbps)3
USB 3.2 Gen 2 Type-C (10 Gbps)1
USB 3.2 Gen 2x2 Type-C (20 Gbps)1
USB 2.0 Type-A (480 Mbps)3
USB 3.2 Gen 1 Type-A (5 Gbps)3
USB 3.2 Gen 2 Type-A (10 Gbps)1
USB 3.2 Gen 2 Type-C (10 Gbps)1
USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 2 Type-A (10 Gbps)1
USB 3.2 Gen 2 Type-C (10 Gbps)1
USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 2 Type-A (10 Gbps)2
USB 3.2 Gen 1 Type-A (5 Gbps)4
USB 3.2 Gen 2 Type-A (10 Gbps)4
USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 2 Type-A (10 Gbps)1
USB 3.2 Gen 2 Type-C (10 Gbps)1
USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 2 Type-A (10 Gbps)1
USB 3.2 Gen 2 Type-C (10 Gbps)1
USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-C (5 Gbps)1
USB 3.2 Gen 2 Type-A (10 Gbps)2
USB Headers
USB 2.0 Header (480 Mbps)4
USB 3.2 Gen 1 Header (5 Gbps)2

USB 2.0 Header (480 Mbps)4
USB 3.2 Gen 1 Header (5 Gbps)2
USB 3.2 Gen 2x2 Header (20 Gbps)1
USB 2.0 Header (480 Mbps)4
USB 3.2 Gen 1 Header (5 Gbps)2
USB 3.2 Gen 2 Header (10 Gbps)1
USB 2.0 Header (480 Mbps)4
USB 3.2 Gen 1 Header (5 Gbps)2
USB 2.0 Header (480 Mbps)4
USB 3.2 Gen 1 Header (5 Gbps)2
USB 3.2 Gen 2 Header (10 Gbps)1
USB 2.0 Header (480 Mbps)4
USB 3.2 Gen 1 Header (5 Gbps)5
USB 2.0 Header (480 Mbps)4
USB 3.2 Gen 1 Header (5 Gbps)2
USB 2.0 Header (480 Mbps)4
USB 3.2 Gen 1 Header (5 Gbps)2
Front USB
USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 1 Type-C (5 Gbps)1
USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 2 Type-C (10 Gbps)1

USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 2 Type-C (10 Gbps)1
USB 3.2 Gen 1 Type-C (5 Gbps)1
Power Delivery (W)15W
USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)2
USB 3.2 Gen 2 Type-C (10 Gbps)1
USB 2.0 Type-A (480 Mbps)4
USB 3.2 Gen 1 Type-A (5 Gbps)4
USB 3.2 Gen 1 Type-C (5 Gbps)1
USB 3.2 Gen 1 Type-C (5 Gbps)1
USB 3.2 Gen 1 Type-C (5 Gbps)1
Power Delivery (W)15W

VRM Appropriate CPU Specification Table

CPU Price App_Performance Game_Performance TDP/Max C/SC/T L2/L3 Cache Base/Boost Code Name GPU
AMD Ryzen 9 7900
$316 | ↓ 0.0%
63.0%
76.4%
65 W / 88 W 12 / 0 / 24 1024.0 kB / 64.0 MB 3.70 GHz / 5.40 GHz Raphael Radeon Graphics
AMD Ryzen 7 9700F
$0 | 0.0%
51.9%
80.9%
65 W / 88 W 8 / 0 / 16 1024.0 kB / 32.0 MB 3.80 GHz / 5.50 GHz Granite Ridge None
AMD Ryzen 7 9700X
$303 | 0.0%
51.9%
80.9%
65 W / 88 W 8 / 0 / 16 1024.0 kB / 32.0 MB 3.80 GHz / 5.50 GHz Granite Ridge Radeon Graphics
AMD Ryzen 7 7700
$190 | ↓ -32.1%
47.8%
78.1%
65 W / 88 W 8 / 0 / 16 1024.0 kB / 32.0 MB 3.80 GHz / 5.30 GHz Raphael Radeon Graphics
AMD Ryzen 7 8700G
$266 | 0.0%
45.2%
63.7%
65 W / 61 W 8 / 0 / 16 1024.0 kB / 16.0 MB 4.20 GHz / 5.10 GHz Phoenix Radeon 780M
AMD Ryzen 7 8700F
$180 | ↓ -14.3%
45.1%
63.5%
65 W / 61 W 8 / 0 / 16 1024.0 kB / 16.0 MB 4.10 GHz / 5.00 GHz Phoenix None
AMD Ryzen 5 9600X
$185 | 0.0%
43.7%
80.4%
65 W / 88 W 6 / 0 / 12 1024.0 kB / 32.0 MB 3.90 GHz / 5.40 GHz Granite Ridge Radeon Graphics
AMD Ryzen 5 9500F
$0 | 0.0%
41.0%
77.9%
65 W / 88 W 6 / 0 / 12 1024.0 kB / 32.0 MB 3.80 GHz / 5.00 GHz Granite Ridge None
AMD Ryzen 5 7600X3D
$240 | 0.0%
38.8%
86.0%
65 W / 88 W 6 / 0 / 12 1024.0 kB / 96.0 MB 4.10 GHz / 4.70 GHz Raphael Radeon Graphics
AMD Ryzen 5 7600
$169 | ↓ -0.6%
38.2%
75.3%
65 W / 88 W 6 / 0 / 12 1024.0 kB / 32.0 MB 3.80 GHz / 5.10 GHz Raphael Radeon Graphics
AMD Ryzen 5 7500F
$103❗ | 0.0%
37.8%
74.1%
65 W / 88 W 6 / 0 / 12 1024.0 kB / 32.0 MB 3.70 GHz / 5.00 GHz Raphael None
AMD Ryzen 5 8600G
$188 | 0.0%
35.8%
63.7%
65 W / 61 W 6 / 0 / 12 1024.0 kB / 16.0 MB 4.30 GHz / 5.00 GHz Phoenix Radeon 760M
AMD Ryzen 5 7400F
$0 | 0.0%
34.9%
73.1%
65 W / 88 W 6 / 0 / 12 1024.0 kB / 32.0 MB 3.70 GHz / 4.70 GHz Raphael None
AMD Ryzen 5 8400F
$149 | 0.0%
34.7%
62.3%
65 W / 61 W 6 / 0 / 12 1024.0 kB / 16.0 MB 4.20 GHz / 4.70 GHz Phoenix None
AMD Ryzen 5 8500G
$149 | 0.0%
31.3%
57.3%
65 W / 61 W 6 / 0 / 12 1024.0 kB / 16.0 MB 3.50 GHz / 5.00 GHz Phoenix2 Radeon 740M

Official Manufacturer Data

Memory:

2 x DIMM slots, max. 128GB, DDR5 Supports up to
8200+MT/s(OC) with Ryzen™
9000 Series Processors,
8400+MT/s(OC) with Ryzen™
8000 Series Processors,
8000+MT/s(OC) with Ryzen™
7000 Series Processors,
ECC and Non-ECC Un-buffered DIMM*
Dual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO™
)
ASUS Enhanced Memory Profile (AEMP)
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.

Graphics:

1 x DisplayPort**
1 x HDMI™ port***
* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
** Supports max. 8K@30Hz as specified in DisplayPort 1.4.
*** Supports 4K@60Hz as specified in HDMI 2.1.

Storage:

Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports
AMD Ryzen™
9000 & 7000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
AMD Ryzen™
8000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode)*
AMD B850 Chipset
4 x SATA 6Gb/s ports
* Specifications vary by CPU types.
AMD RAIDXpert2 Technology
Ryzen™
9000 Series Processors: RAID 0/1/5/10
Ryzen™
8000 Series Processors: RAID 0/1
Ryzen™
7000 Series Processors: RAID 0/1/10

Expansion Slots:

AMD Ryzen™ 9000 & 7000 Series Desktop Processors*
1 x PCIe 5.0 x16 slot (supports x16 mode)
AMD Ryzen™ 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**
AMD B850 Chipset
1 x PCIe 4.0 x16 slot (support x4 mode)
* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
** Specifications vary by CPU types.
- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported

USB:

Rear USB (Total 8 ports)
2 x USB 10Gbps ports (2 x Type-A)
2 x USB 5Gbps ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
Front USB (Total 7 ports)
1 x USB 5Gbps connector (supports USB Type-C®
)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
* USB Type-C®
power delivery output: max. 5V/3A

Internal I/O:

Fan and Cooling Related
1 x 4-pin CPU Fan header
3 x 4-pin Chassis Fan headers
Power Related
1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connector
Storage Related
2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB
1 x USB 5Gbps connector (supports USB Type-C®
)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Miscellaneous
3 x Addressable RGB Gen 2 headers
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (F_AUDIO)
1 x S/PDIF Out header
1 x SPI TPM header (14-1 pin)
1 x 10-1 pin System Panel header

Back Panel I/O:

2 x USB 10Gbps ports (2 x Type-A)
2 x USB 5Gbps ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
1 x DisplayPort
1 x HDMI™
port
1 x Realtek 2.5Gb Ethernet port
3 x Audio jacks
1 x BIOS FlashBack™
button
1 x PS/2 Keyboard/Mouse combo port

Audio:

Realtek 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Special Features:

ASUS 5X PROTECTION III
- DIGI+ VRM
- LANGuard
- Overvoltage protection
- SafeSlot
- Stainless-steel back I/O
ASUS Q-Design
- Q-Dashboard
- Q-DIMM
- Q-LED Core
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack™
button
- BIOS FlashBack™
LED
- SafeSlot
Aura Sync
- Addressable RGB Gen 2 headers

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