The ASUS PRIME B850M-F (90MB1N90-M0EAY0) is a compact micro-ATX motherboard for AMD Socket AM5 processors with the AMD B850 chipset. It offers 2x DDR5 slots up to 128GB, a PCIe 5.0 x16 slot, a PCIe 5.0 x4 M.2 slot, 4x SATA and Realtek 1Gb Ethernet.
It brings PCIe 5.0 graphics and storage support to budget-friendly Ryzen 9000, 8000 and 7000 builds, ideal for home, office and entry-level gaming PCs in small cases.
Key Features
AMD AM5 socket for Ryzen 9000, 8000 and 7000 Series (up to 120W CPUs)
2x DDR5 DIMM slots, up to 128GB, up to 8200+ MT/s (OC) with Ryzen 9000
PCIe 5.0 x16 slot for the latest graphics cards (with Ryzen 9000/7000)
M.2_1 PCIe 5.0 x4 plus M.2_2 PCIe 4.0 x4 for fast NVMe SSDs
4x SATA 6Gb/s ports with AMD RAIDXpert2 RAID support
Realtek 1Gb Ethernet with ASUS LANGuard protection
HDMI 2.1 output (4K@60Hz) for integrated graphics
BIOS FlashBack button, ASUS 5X Protection and 3x Addressable Gen 2 RGB headers
Full Specifications
General
Brand
ASUS
Model
PRIME B850M-F
Part Number
90MB1N90-M0EAY0
Series
PRIME
Product Type
Motherboard
Processor & Chipset
Socket
AMD AM5
Supported CPUs
AMD Ryzen 9000 / 8000 / 7000 Series (up to 120W)
Chipset
AMD B850
Memory
Memory Slots
2x DDR5 DIMM, dual channel
Max Memory
128GB
Memory Speed
Up to 8200+ MT/s (Ryzen 9000), 8400+ (Ryzen 8000), 8000+ (Ryzen 7000) OC