Asrock B450-PRO4 R2.0, AM4, 90-MXBEE0-A0UAYZ

Shape factor ATX
Socket AMD AM4
chipset AMD B450
CPU-Compatibility Ryzen 5000G, Ryzen 5000, Ryzen 4000G, Ryzen 3000, Ryzen 3000G, Ryzen 2000, Ryzen 2000G, Ryzen 1000, Athlon 3000G, Athlon 200G, without TDP limitation (Manufacturer-list)
VRM 7 virtual phases
RAM 4x DDR4 DIMM, dual PC4-25600U/?DDR4-3200 (OC), max. 128GB (UDIMM)
Extension slots 2x PCIe 3.0 x16 (1x x16, 1x x4), 4x PCIe 2.0 x1, 1x M.2/M-Key (PCIe 3.0 x4, 2280/2260/2242), 1x M.2/M-Key (PCIe 3.0 x2/SATA, 22110/2280/2260/2242/2230)
external connectors 1x VGA (iGPU), 1x HDMI 1.4 (iGPU), 1x DisplayPort 1.2 (iGPU), 1x USB-C 3.1 (10Gb/s, B450), 1x USB-A 3.1 (10Gb/s, B450), 4x USB-A 3.0 (5Gb/s), 2x USB-A 2.0 (480Mb/s), 1x Gb LAN (Realtek RTL8111H), 3x jack, 1x PS/2 Combo
Internal connectors 1x USB 3.0 Header (5Gb/s, 2x USB 3.0), 2x USB 2.0 header (480Mb/s, 4x USB 2.0), 4x SATA 6Gb/s (B450), 2x SATA 6Gb/s (ASM1061), 1x serial, 1x TPM-Header, 1x Speaker-Header
Header Cooling 1x CPU fan 4-Pin, 1x CPU fan/pump 4-Pin, 3x fan/pump 4-Pin
Header Lighting 2x 4-Pin RGB (+12V/G/R/B, max. 3A), 1x 3-Pin ARGB (+5V/DATA/GND, max. 3A)
buttons/Switches not available
Audio 7.1 (Realtek ALC892/ALC897)
Graphics iGPU
Wireless not available
RAID level 0/1/10 (B450), not available (ASM1061)
Multi-GPU AMD 2-Way-CrossFireX (x16/x4)
Power connections 1x 24-Pin ATX, 1x 8-Pin EPS12V
Lighting not available
BIOS 1x 16MB (128Mb)
Special features audio+solid capacitors, ECC-support