ModelPRIME B850M-K
C P U SupportAMD Ryzen™ 9000, 8000 & 7000 Series Desktop Processors (Socket AM5)
ChipsetAMD B850
D I M M Slots2 x DDR5 DIMM Slots
Max Memory supportUp to 128GB DDR5 8400+MT/s (OC)
P C I- E Slots1 x PCIe 5.0 x16, 1 x PCIe 4.0 x16 (x4 mode)
M.2 Slots2 x M.2 (PCIe 5.0 x4 & PCIe 4.0 x4)
S A T A I I I4 x SATA 6Gb/s Ports
A R G B Headers3 x Addressable RGB Gen 2 Headers
Fan Headers1 x CPU Fan, 3 x Chassis Fan Headers
Front Type C Headers1 x USB 5Gbps (USB Type-C®) Connector
Front U S B 3 Headers1 x USB 5Gbps Header (supports 2 ports)
U S B 2.0 Headers2 x USB 2.0 Headers (supports 4 ports)
Flash B I O S Buttons1 x BIOS FlashBack™ Button
Clear C O M S Buttons1 x Clear CMOS Header
Onboard Graphics Outputs1 x HDMI 2.1, 1 x DisplayPort 1.4
P S/2 Combo Ports1 x PS/2 Keyboard/Mouse Combo Port
U S B Ports2 x USB 10Gbps (Type-A), 2 x USB 5Gbps (Type-A), 4 x USB 2.0 (Type-A)
U S B Type C Ports1 x Front USB Type-C (5Gbps)
Ethernet L A N Port1 x Realtek 2.5Gb Ethernet (ASUS LANGuard)
Audio Jacks3 x Audio Jacks (Realtek 7.1 Surround Sound HD Audio CODEC)
Optical1 x S/PDIF Out Header (internal)
Operating SystemWindows® 11, Windows® 10 64-bit
Form FactorMicro-ATX (24.4 cm x 22.1 cm)
socketAM5
chipsetB850M