ASUS ROG STRIX B850-A GAMING WIFI (Wi-Fi 7) AMD RYZEN Series AM5/DDR5/PCIe 5.0/4xM.2 - ATX Gaming MotherBoard | ROG STRIX B850-A GAMING WIFI |

Motherboard Specifications Supported Processors Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors Socket AM5 Chipset AMD B850 Socket AMD AM5 Memory Type DDR5 Memory Slots Maximum Memory 256GB Memory Bus Speed 4 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) * 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/. ** Non-ECC un-buffered DDR5 memory supports On-Die ECC function. 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) 1 x DisplayPort 1 x HDMI™ port 1 x Wi-Fi module 1 x Intel® 2.5Gb Ethernet port 2 x Audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack™ button 1 x Clear CMOS button Form Factor ATX M.2 Slots Yes Expansion Slots AMD 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)** * Specifications vary by CPU types. ** PCIEX16(G4) slot (supports x4 mode) from AMD B850 Chipset shares bandwidth with M.2_3 - To ensure compatibility of the device installed please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals.