ASUS ROG STRIX B850-A GAMING WIFI MOTHERBOARD

CPUAMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*

* Refer to https://www.asus.com/support/download-center/ for CPU support list.

ChipsetAMD B850 Chipset

Memory4 x DIMM slots, max. 256GB, DDR5

Supports up to 8000+MT/s (OC) with Ryzen™ 9000 & 8000 & 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)

Graphics1 x DisplayPort*

1 x HDMI™ port**

- Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.

Expansion SlotsAMD Ryzen™ 9000 & 7000 Series Desktop Processors

1 x PCIe 5.0 x16 slot with Q-Release Slim

AMD Ryzen™ 8000 Series Desktop Processors

1 x PCIe 5.0 x16 slot with Q-Rlease Slim (supports PCIe 4.0 x8 or x4 mode)*

AMD B850 Chipset

1 x PCIe 4.0 x16 slot (supports x4 mode)**

StorageTotal supports 4 x M.2 slots and 2 x SATA 6Gb/s ports

AMD Ryzen™ 7000 & 9000 Series Desktop Processors

M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 5.0x4 mode)

M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4 mode)

AMD Ryzen™ 8000 Series Desktop Processors

M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 4.0x4 mode)

M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4/x2 mode)*

AMD B850 Chipset

M.2_3 (Key M), type 2280 (supports PCIe 4.0 x4)**

M.2_4 (Key M), type 2280 (supports PCIe 4.0 x4)

2 x SATA 6Gb/s ports

* Specifications vary by CPU types.

** M.2_3 slot shares bandwidth with PCIEX16(G4). When PCIEX16(G4) slot is operating, M.2_3 will be disabled.

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

Ethernet1 x Intel® 2.5Gb Ethernet

ASUS LANGuard

Wireless & BluetoothWi-Fi 7*

2x2 Wi-Fi 7 (802.11be)

Supports 2.4/5/6GHz frequency band**

Supports Wi-Fi 7 160MHz bandwidth, up to 2.9Gbps transfer rate.

Bluetooth® v5.4***

USBRear USB (Total 10 ports)

1 x USB 20Gbps port (1 x USB Type-C®)

3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C®)

4 x USB 5Gbps ports (4 x Type-A)

2 x USB 2.0 ports (2 x Type-A)

Front USB (Total 7 ports)

1 x USB 10Gbps 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

BIOS256 Mb Flash ROM, UEFI AMI BIOS

ManageabilityWOL by PME, PXE

Operating SystemWindows 11

Form FactorATX Form Factor

12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

* For Compatibly of the product, please visit the respective product web site

* Compatibility issues are not covered under warranty or return

* To be eligible for a return in case of a change of mind or product damage customers are required to video record the unboxing of the package.