ASRock B550D4-4L B550 AM4 Socket PGA1331 Max.32GB ATX Motherboard

• ATX (12"x 9.6")• Support AMD Ryzen 5000 Series Desktop Processors• 4 DIMM slots (2DPC), supports DDR4 ECC/non-ECC UDIMM• 1 PCIe 4.0 x16, 1 PCIe 4.0 x4• Supports 1 M.2 (PCIe3.0 x4 or SATA 6Gb/s) • 6 SATA 6Gb/s• 4 RJ45 (1GbE) by Intel® i210• HDMI• Remote management (IPMI) Physical StatusForm Factor ATXDimensions 12inch x 9.6inch (305 mm x 244 mm)Processor SystemCPU Supports: AMD RyzenTM 5000 and 4000 G-Series Desktop Processors with RadeonTM Graphics AMD RyzenTM 5000 and 3000 Series Desktop Processors AMD RyzenTM PRO 5000, 4000 and 3000Note Series Desktop Processors Note: Not compatible with AMD RyzenTM PRO 3000 Series Desktop Processors with RadeonTM GraphicsSocket Single Socket AM4 (PGA1331) Chipset AMD B550System MemorySupported DIMM Quantity 4 DIMM slots (2DPC) Supported Type Supports DDR4 288-pin ECCNote /non-ECC UDIMM Note: For AMD Ryzen Desktop Processors with Radeon Graphics, ECC support is only with Processors with PRO technologies. Max. Capacity per DIMM ECC/non-ECC UDIMM: u