The ASUS ROG STRIX B850-A GAMING WIFI is a high-performance ATX motherboard designed for enthusiasts and gamers who demand the best from their systems. Built around the AMD B850 chipset and supporting Socket AM5, it is compatible with AMD Ryzen 7000, 8000, and 9000 Series processors. The board features four DDR5 DIMM slots supporting dual-channel memory configurations with a maximum capacity of 192GB and overclocked speeds beyond 8000 MT/s. Its clean white design makes it a visually striking choice for any build.
Storage and Expansion
The ASUS ROG STRIX B850-A GAMING WIFI offers extensive storage and expansion options. Four M.2 slots are available, with the first slot supporting PCIe 5.0 at up to 2280 form factor, while the remaining three slots run on PCIe 4.0, one of which accommodates drives up to 22110 in length. Two SATA III connectors provide additional storage connectivity. For expansion cards, the board includes one PCIe 5.0 x16 slot and one PCIe 4.0 x16 slot, catering to the latest graphics cards and add-in devices.
Connectivity and Audio
Connectivity on this motherboard is comprehensive. Wireless communication is handled by Wi-Fi 7 (802.11be) and Bluetooth 5.4, while wired networking uses an Intel 2.5GbE LAN chip. The USB lineup includes multiple USB 3.2 Gen 1 and Gen 2 ports in both Type-A and Type-C configurations, alongside a Thunderbolt header. Display output supports HDMI 2.1 and DisplayPort 1.4 at resolutions up to 7680x4320. Audio is powered by the ROG SupremeFX chip delivering 7.1-channel sound.
Product number manufacturer:
90MB1J50-M0EAY0
Audio
BIOS
Connectivity
USB 3.2 (Gen 1) type A ports:
5
USB 3.2 (Gen 2) type A ports:
3
USB 3.2 (Gen 2) type C ports:
1
Energy management
Internal I/O
1st M.2 maximum slot size:
2280
1st M.2 slot PCI Express generation:
5.0
2nd M.2 maximum slot size:
22110
2nd M.2 slot PCI Express generation:
4.0
3rd M.2 maximum slot size:
2280
3rd M.2 slot PCI Express generation:
4.0
4th M.2 maximum slot size:
2280
4th M.2 slot PCI Express generation:
4.0
ATX Power connector (24-pin):
Chassis fan connector(s):
4
EPS power connector (8-pin):
Front panel audio connector:
Thunderbolt header (5-pin):
1
USB 3.1 (3.1 Gen 2) connectors:
1
USB 3.1 (Gen 1) header(s):
1
Memory
Supported memory clock speeds (OC):
8000+ (OC) MHz
Networking
Network technology (wired):
Packaging content
Physical characteristics
Processor
Compatible processor series:
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Sockets
Technical details
Video
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