Asrock B550M-HDV, AM4, 90-MXBDJ0-A0UAYZ

shape factor µATX
chipset AMD B550
CPU-Compatibility Ryzen 4000G, Ryzen 3000, TDP-Limit: 105W
VRM 6 virtual phases
RAM 2x DDR4 DIMM, dual PC4-37866U/DDR4-4733 (OC), max. 64GB (UDIMM)
Extension slots 1x PCIe 4.0 x16, 1x PCIe 3.0 x1, 1x M.2/M-Key (PCIe 4.0 x4/SATA, 2280/2260/2242)
external connectors 1x VGA, 1x DVI-D, 1x HDMI 2.1, 4x USB-A 3.0, 2x USB-A 2.0, 1x Gb LAN (Realtek RTL8111H), 3x jack, 1x PS/2 Combo
Internal connectors 1x USB 3.0 Header (2x USB 3.0), 2x USB 2.0 header (4x USB 2.0), 4x SATA 6Gb/s (B550), 1x serial, 1x TPM-Header, 1x Speaker-Header, 1x Chassis Intrusion-Header
Header Cooling 1x CPU fan 4-Pin, 2x fan 4-Pin
Header Lighting not available
buttons/Switches not available
Audio 7.1 (Realtek ALC887)
Graphics CPU
Wireless not available
RAID level 0/1/10 (B550)
Multi-GPU not available
Power connections 1x 24-Pin ATX, 1x 4-Pin ATX12V
Lighting not available
BIOS 1x 32MB (256Mb)
Special features audio+solid capacitors
Warranty three years