ASUS Prime B550M-K, AMD B550, AM4, 90MB14V0-M0EAY0

Shape factor µATX
chipset AMD B550
CPU-Compatibility Ryzen 4000G, Ryzen 3000, without TDP limitation (Manufacturer-list)
VRM 6 real phases (4+2), PWM-Controller: ASP1106 (RT8877C, max. 6 phases)
MOSFETs CPU 4x 58A SiRA14DP/8x SiRA12DP
MOSFETs SoC 4x 58A SiRA14DP/SiRA12DP
RAM 4x DDR4 DIMM, dual PC4-38400U/DDR4-4800 (OC), max. 128GB (UDIMM)
Extension slots 1x PCIe 4.0 x16, 2x PCIe 3.0 x1, 1x M.2/M-Key (PCIe 4.0 x4/SATA, 22110/2280/2260/2242), 1x M.2/M-Key (PCIe 3.0 x4/SATA, 2280/2260/2242)
external connectors 1x VGA (iGPU), 1x DVI-D (iGPU), 1x HDMI 2.1 (iGPU), 2x USB-A 3.1 (B550), 4x USB-A 3.0, 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 S/PDIF-Header, 1x Speaker-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)
onboard-Graphics iGPU
Wireless not available
RAID level 0/1/10 (B550)
Multi-GPU not available
Power connections 1x 24-Pin ATX, 1x 8-Pin EPS12V
Lighting orange, 1 zone (Audio Trace Path)
BIOS 1x 32MB (256Mb)
Special features audio+solid capacitors