ASUS ROG Strix B550-A Gaming, AMD B550, AM4, 90MB15J0-M0EAY0

shape factor ATX
Socket AMD AM4
chipset AMD B550
CPU-Compatibility Ryzen 5000G, Ryzen 5000, Ryzen 3000, without TDP limitation (Manufacturer-list)
RAM 4x DDR4 DIMM, dual PC4-40800U/?DDR4-5100 (OC), max. 128GB (UDIMM)
Extension slots 1x PCIe 4.0 x16, 1x PCIe 3.0 x16 (x4), 3x 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, 22110/?2280/?2260/?2242)
external connectors 1x HDMI 2.1 (iGPU), 1x DisplayPort 1.2 (iGPU), 1x USB-C 3.1 (10Gb/?s, B550), 1x USB-A 3.1 (10Gb/?s, B550), 4x USB-A 3.0 (5Gb/?s), 2x USB-A 2.0 (480Mb/?s), 1x 2.5GBase-T (Intel I225-V), 5x jack, 1x toslink
Internal connectors 1x USB 3.0 Header (5Gb/?s, 2x USB 3.0), 2x USB 2.0 header (480Mb/?s, 4x USB 2.0), 6x SATA 6Gb/s (B550), 1x Thunderbolt-Header 13-Pin, 1x COM Debug-Header
Header Cooling 2x CPU fan 4-Pin, 3x fan 4-Pin, 1x AIO-pump 4-Pin, 1x Thermal-sensor
Header Lighting 2x 4-Pin RGB (+12V/?G/?R/?B, max. 3A), 1x 3-Pin ARGB (+5V/?DATA/?GND, max. 3A, ASUS Gen2)
buttons/Switches USB BIOS Flashback (external)
Audio 7.1 (Realtek ALC1220/?ASUS SupremeFX), DTS Sound Unbound
Graphics iGPU
RAID level 0/?1/?10 (B550)
Multi-GPU AMD 2-Way-CrossFireX (x16/?x4)
Power connections 1x 24-Pin ATX, 1x 8-Pin EPS12V, 1x 4-Pin ATX12V
VRM 14 virtual phases (12+2), 4 real phases (4+1), PWM-Controller: ASP1106 (RT3667BE, max. 6 phases)
MOSFETs CPU 12x 50A SIC639
MOSFETs SoC 2x 50A SIC639
BIOS 1x 32MB (256Mb)
Special features audio+solid capacitors, Diagnostic LED (LED indicators), I/?O-shield integrated, 2x M.2-passive cooler, ECC-support, onboard TPM 2.0 support (AMD fTPM, additional Manufacturer link pay attention)