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: up to 32GBDIMM Frequency up to 3200 MHzNote Note: AMD RyzenTM 3000 G-Series Desktop Processors with RadeonTM Graphics support up to 2666 MHzVoltage 1.2VPCIe Expansion Slots (SLOT7 close to CPU) PCIe x 16 SLOT6: PCIe x16 (PCIe4.0Note x16) CPU Note: Supports PCIe3.0 when using AMD RyzenTM 5000, 4000 G-Series Desktop Processors with RadeonTM GraphicsPCIe x 8 SLOT4: PCIe x8 (PCIe4.0Note x4) CPU Note: Supports PCIe3.0 when using AMD RyzenTM 5000, 4000 G-Series Desktop Processors with RadeonTM GraphicsOther PCIe Expansion ConnectorsM.2 slot 1 M-key (PCIe3.0 x4 or SATA 6Gb/s), support 22110/2280/2242 form factor (FCH)SATA/SAS StoragePCH Built-in Storage AMD B550 (4 SATA 6Gb/s, RAID 0/1/10): 4 SATA 7-pinAdditional SATA Controller ASM1061 (2 SATA6Gb/s): 2 SATA 7-pinEthernetAdditional GbE Controller 4 Intel i210: 4 RJ45 (1GbE)Server ManagementBMC Controller ASPEED AST2500IPMI Dedicated GLAN 1 x Realtek RTL8211E for dedicated management GLANGraphicsController ASPEED AST2500: 1 DB15, 1 (15-pin) header AMD RyzenTM Desktop Processors with RadeonTM Graphics: 1 HDMIRear I/OUID Button/LED 1 UID button, 1 UID LEDVGA Port 1 DB15Serial Port 1 DB9USB 3.2 Gen1 Port 2 Type-A (USB3.2 Gen1) USB 3.2 Gen2 Port 2 Type-A (USB3.2 Gen2) RJ45 4 RJ45 (1GbE) 1 dedicated IPMIHDMI 1Internal Connector/HeadersAuxiliary Panel Header 1 (18-pin): chassis intrusion, system fault LED, LAN1/LAN2 activity LED, locate, SMBusSystem Panel 1 (9-pin): power switch, reset switch, system power LED, HDD activity LEDCOM Header 1Video output 1Speaker Header 1Buzzer 1Fan Header 6 (6-pin) Thermal Sensor Header 1TPM Header 1 (17-pin, LPC), 1 (13-pin, SPI) SMBus header 1PMB header 1IPMB Header 1Clear CMOS 1 (contact pads) Front Lan LED Connector 1 for LAN3/LAN4USB 3.2 (Gen1) Header 1 (19-pin, 2 USB3.2 Gen1) USB 2.0 Header 1 (9-pin, 2 USB2.0) Type A USB 3.2 (Gen1) Port 1 (Type-A, 1 USB3.2 Gen1) Power Connector 1 (24-pin, ATX main power), 1 (8-pin, ATX 12V), 1 (4-pin, ATX 12V)LED IndicatorsStandby PWR LED 5vsb 180 Debug Port LED 1Fan Fail LED 6System BIOSBIOS Type AMI UEFI BIOS, 256 Mb (32MB) SPI Flash ROMBIOS Features Plug and Play, ACPI 5.1 compliance wake up events, SMBIOS 2.3Hardware MonitorTemperature CPU, DDR, MB, Card Side, FCH, TR1 sensingFan Fan Tachometer CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) Multi-Speed ControlVoltage 3VSB, 5VSB, VCPU, VSOC, VCCM, APU VDDP, 1.05V_PROM_S5, 2.5V_PROM, 1.05V_PROM_RUN, BAT, 3V, 5V, 12VEnvironmentTemperature Operation temperature: 10oC to 35oC / Non operation temperature: -40oC to 70oCHumidity Non operation humidity: 20% to 90% ( Non condensing)Item Dimension (L inchxW inchxH inch)30 x 15 x 13Weight 43.00 lbWarranty Information36 Months