ModelPRIME B840M-A-CSM
C P U SupportAMD Ryzen 9000 / 8000 / 7000 Series (AM5)
ChipsetAMD B840
D I M M Slots4 × DIMM
Max Memory support256GB
P C I- E Slots1 x PCIe 4.0 x16, 2 x PCIe 3.0 x16 (x1 mode)
M.2 Slots3 x M.2
S A T A I I I4 x SATA 6Gb/s
A R G B Headers3 x Addressable Gen 2 headers
Fan Headers1 x CPU Fan, 1 x CPU OPT Fan, 2 x Chassis Fan
Front Type C Headers1
Front U S B 3 Headers1 x USB 5Gbps Header (supports 2 ports)
U S B 2.0 Headers2
Flash B I O S Buttons1 x BIOS FlashBack Button
Onboard Graphics Outputs2 x DisplayPort, 1 x HDMI
U S B Ports7
U S B Type C Ports1
Ethernet L A N Port1 x Realtek 2.5Gb Ethernet
Audio Jacks3 x Audio Jacks
Optical1 x S/PDIF Out header
Operating SystemWindows 11, Windows 10 64-bit
Form FactorMicro-ATX
socketAM5
chipsetB840M
