Socket AM4, Form factor ATX, Chipset AMD B550, CPU compatibility Ryzen 5000, Ryzen 3000, without TDP restriction (manufacturer list), VRM 4 real phases (4 + 1), 14 virtual phases (12 + 2), ASP1106 (RT8877C, max. 6 phases), MOSFETs CPU 12x 50A SIC639, MOSFETs SoC 2x 50A SIC639, RAM 4x DDR4 DIMM, dual PC4-40800U / DDR4-5100 (OC), max. 128GB (UDIMM), Expansion 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 connections 1x HDMI 2.1 (iGPU), 1x DisplayPort 1.2 (iGPU), 1x USB-C 3.1 (B550), 1x USB-A 3.1 (B550), 4x USB-A 3.0, 2x USB-A 2.0, 1x 2.5GBase- T (Intel I225-V), 5x jack, 1x Toslink, Internal connections 1x USB 3.0 header (2x USB 3.0), 2x USB 2.0 header (4x USB 2.0), 6x SATA 6Gb / s (B550), 1x Thunderbolt header 13-pin, 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, Onboard 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, BIOS 1x 32MB (256Mb), Special features audio + solid capacitors, diagnostic LED (LED indicators), integrated I / O cover, 2x M.2 passive cooler, ECC support, 90MB15J0-M0EAY0