ASUS ROG STRIX B850-A GAMING WIFI
The board is equipped with graphics outputs for use with processors with integrated graphics core. The motherboard does not include a graphics card and without the use of a corresponding processor, these outputs will be inoperative.
CPU
Support for AMD Ryzen 9000/ 8000/ 7000 series processors (Socket AM5)
Chipset
AMD B850
Memory
4× DDR5 memory slots, support up to 256 GB
DDR5 support up to 8000+ MT/s (OC)
Dual-channel memory architecture
ECC and non-ECC support, unbuffered
Support On-Die ECC function
Support for AMD Extended Profiles for Overclocking (EXPO)
ASUS Enhanced Memory Profile (AEMP) support
Slots
AMD Ryzen 9000 and 7000 series
1× PCIe 5.0 x16 slot
AMD Ryzen 8000 series
1× PCIe 4.0 x16 slot (supports x8/x4 mode)
AMD B850 chipset
1× PCIe 4.0 x16 slot (supports x4 mode)
Graphic arts
1× DisplayPort, supporting max. resolution 8K at 30 Hz (according to DP 1.4)
1× HDMI, supporting max. resolution 4K at 60 Hz (according to HDMI 2.1)
Storage
AMD Ryzen 9000 and 7000 series
1× M.2 slot, M Key, for 2242/2260/2280 type units (PCIe 5.0 x4 mode)
1× M.2 slot, M Key, for 2280/22110 type units (PCIe 4.0 x4 mode)
AMD Ryzen 8000 series
1× M.2 slot, M Key, for 2242/2260/2280 type units (PCIe 4.0 x4 mode)
1× M.2 slot, M Key, for 2280/22110 type units (PCIe 4.0 x4/x2 mode)
AMD B850 chipset
2× M.2 slot, M Key, for 2280 type units (PCIe 4.0 x4 mode)
2× SATA 6Gb/s
AMD RAIDXpert2 support
AMD Ryzen 9000 series
RAID 0, RAID 1, RAID 5 and RAID 10 support
AMD Ryzen 8000 series
RAID 0, RAID 1 support
AMD Ryzen 7000 series
RAID 0, RAID 1 and RAID 10 support
USB
1× USB-C 3.2 Gen2x2 port on the back panel
1× USB-C 3.2 Gen2 (USB 3.1) port on the back panel
2× USB 3.2 Gen2 (USB 3.1) ports on the back panel
1× USB-C 3.2 Gen2 (USB 3.1) port available via internal USB connector
6× USB 3.2 Gen1 (USB 3.0) ports (4 ports on the back panel, 2 ports available via internal USB connector)
6× USB 2.0 ports (2 ports on the back panel, 4 ports available via internal USB connectors)
Audio
ROG SupremeFX ALC4080 Codec
7.1-channel Surround Sound High Definition Audio
SupremeFX Shielding technology
Savitech SV3H712 AMP
120 dB SNR playback, 110 dB SNR recording
S/PDIF output support
HIND
1× Intel 2.5Gigabit LAN controller
ASUS LANGuard
WLAN/Bluetooth
2×2 Wi-Fi 7 (802.11be)
Triple Band (2.4 GHz, 5 GHz, 6 GHz)
Transfer speed up to 2.9 Gbps
Bluetooth 5.4
Internal connectors
1× 24pin ATX main power connector
2× 8pin +12V power connector
2× SATA 6Gb/s
4× M.2 slots, M Key
1× USB-C 3.2 Gen2 (USB 3.1)
1× USB 3.2 Gen1 (USB 3.0) connector (supports 2× USB 3.2 Gen1)
2x USB 2.0 connector (supports 4x USB 2.0)
1× 4pin CPU fan connector
1× 4-pin optional CPU fan connector
1× 4pin water cooling pump connector
4× 4pin chassis fan connector
3× addressable RGB LED strip connector
1× CPU Over Voltage jumper
1× front panel audio connector
1× Power button
1× 10-1pin system board connector
1× temperature sensor connector
1× Thunderbolt (USB4) connector
Rear panel ports
1× USB-C 3.2 Gen2×2
1× USB-C 3.2 Gen2
2x USB 3.2 Gen2 (USB 3.1 Gen2)
4x USB 3.2 Gen1 port (USB 3.0)
2× USB 2.0
1× DisplayPort
1× HDMI
2× Wi-Fi antenna connector
1× RJ-45
2× audio jacks
1× optical S/PDIF output
1× BIOS Flashback button
1× Clear CMOS button
Dimensions
30.5 × 24.4 cm
ATX format
