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B550D4U
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Specifications
| Physical Status | |
| Form Factor | Micro-ATX |
| Dimensions | 9.6" x 9.6" |
| Processor System | |
| CPU | Supports: AMD Ryzen™ 5000 and 4000 G-Series Desktop Processors with Radeon™ Graphics AMD Ryzen™ 5000 and 3000 Series Desktop Processors AMD Ryzen™ PRO 5000, 4000 and 3000* Series Desktop Processors * Not compatible with AMD Ryzen™ PRO 3000 Series Desktop Processors with Radeon™ Graphics |
| Socket | Single Socket AM4 (PGA1331) |
| Chipset | AMD B550 |
| System Memory | |
| Supported DIMM Quantity | 4 DIMM slots (2DPC) |
| Supported Type | Supports DDR4 288-pin ECC*/non-ECC UDIMM * 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 32GB |
| Max. DIMM Frequency | up to 3200 MHz* * AMD Ryzen™ 3000 G-Series Desktop Processors with Radeon™ Graphics support up to 2666 MHz |
| Voltage | 1.2V |
| PCIe Expansion Slots (SLOT7 close to CPU) | |
| PCIe x 16 | SLOT6: Latch PCIe4.0* x16 [CPU] *Supports PCIe3.0 when using AMD Ryzen™ 5000, 4000 G-Series Desktop Processors with Radeon™ Graphics |
| PCIe x 4 | SLOT4: PCIe4.0* x4 [CPU] *Supports PCIe3.0 when using AMD Ryzen™ 5000, 4000 G-Series Desktop Processors with Radeon™ Graphics |
| Other PCIe Expansion Connectors | |
| M.2 slot | 1 M-key (PCIe3.0 x4 or SATA 6Gb/s), supports 22110/2280/2260/2242 form factor [FCH] 1 M-key (PCIe3.0 x2), supports 22110/2280/2260/2242 form factor [FCH] |
| SATA/SAS Storage | |
| PCH Built-in Storage | AMD B550 (4 SATA 6Gb/s; RAID 0/1/10): 3 SATA 7-pin, 1 SATA DOM |
| Additional SATA Controller | ASM 1061 (2 SATA 6Gb/s): 2 SATA 7-pin |
| Ethernet | |
| Additional GbE Controller | Intel® i210: 2 RJ45 (1GbE) |
| Graphics | |
| Controller | ASPEED AST2500: 1 DB15, 1 (15-pin) header AMD Ryzen Desktop Processors with Radeon Graphics: 1 HDMI |
| Rear I/O | |
| UID Button/LED | 1 UID button w/ LED |
| VGA Port | 1 DB15, 1 HDMI |
| Serial Port | 1 DB9 |
| USB 3.2 Gen2 Port | 2 Type-A (USB3.2 Gen2) |
| RJ45 | 2 RJ45 (1GbE) 1 dedicated IPMI |
| Internal Connector/Headers | |
| Power Connector | 1 (24-pin, ATX main power), 1 (8-pin, ATX 12V) |
| Auxiliary Panel Header | 1 (19-pin): chassis intrusion, system fault LED, LAN activity LED |
| System Panel | 1 (9-pin): power switch, reset switch, system power LED, HDD activity LED |
| VGA header | 1 |
| Speaker Header | 1 (4-pin) |
| Buzzer | 1 |
| Fan Header | 4 (6-pin), 2 (4-pin) |
| Thermal Sensor Header | 1 |
| TPM Header | 1 (17-pin, LPC), 1 (13-pin, SPI) |
| SMBus header | 1 |
| PMBus header | 1 |
| IPMB Header | 1 |
| Clear CMOS | 1 (contact pads) |
| USB 3.2 (Gen1) Header | 1 (19-pin, 2 USB3.2 Gen1) |
| LED Indicators | |
| Standby PWR LED 5vsb | 1 |
| 80 Debug Port LED | 1 |
| Fan Fail LED | 6 |
| BMC heartbeat LED | 1 |
| System BIOS | |
| BIOS Type | AMI UEFI BIOS; 256 Mb (32MB) SPI Flash ROM |
| BIOS Features | Plug and Play, ACPI 5.1 compliance wake up events, SMBIOS 2.3 |
| Hardware Monitor | |
| Temperature | CPU, DDR, MB, Card Side, FCH |
| Fan | Fan Tachometer Multi-Speed Control CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) |
| Voltage | 3VSB, 5VSB, VCPU, VSOC, VCCM, APU VDDP, 1.05V_PROM_S5, 2.5V_PROM, 1.05V_PROM_RUN, BAT, 3V, 5V, 12V |
| Environment | |
| Temperature | Operation temperature: 10°C ~ 35°C / Non operation temperature: -40°C ~ 70°C |
| Humidity | Non operation humidity: 20% ~ 90% ( Non condensing) |
