Motherboard - micro ATX - Socket AM4 - AMD B550 Chipset - USB 3.2 Gen 1, USB 3.2 Gen 2 - Gigabit LAN - onboard graphics (CPU required)
| Main Specifications | |
|---|---|
| Product Description | ASRock Rack B550D4U - motherboard - micro ATX - Socket AM4 - AMD B550 |
| Product Type | Motherboard - micro ATX |
| Chipset Type | AMD B550 |
| Processor Socket | 1 x Socket AM4 |
| Compatible Processors | Ryzen (supports Ryzen 3000 Series/ 4000 G-Series/ 5000 Series/ 5000 G-Series) |
| Max RAM Size | 128 GB |
| RAM Supported | 4 DIMM slots - DDR4, non-ECC, ECC |
| Storage Ports | 4 x SATA-600 (RAID), 2 x SATA-600, 1 x M.2 |
| USB / FireWire Ports | 2 x USB 3.2 Gen 2 + (2 x USB 3.2 Gen 1 via headers) |
| LAN | Gigabit Ethernet |
| General | |
| Product Type | Motherboard - micro ATX |
| Chipset Type | AMD B550 |
| Processor Socket | Socket AM4 |
| Max Processors Qty | 1 |
| Compatible Processors | Ryzen (supports Ryzen 3000 Series/ 4000 G-Series/ 5000 Series/ 5000 G-Series) |
| Expansion / Connectivity | |
| Expansion Slots | 1 x CPU ¦ 4 x DIMM 288-pin (1.2 V) ¦ 1 x PCIe 4.0 x16 ¦ 1 x PCIe 4.0 x4 ¦ 2 x M.2 socket (2242/2260/2280/22110 M.2 Key M slot) |
| Storage Interfaces | SATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 ¦ ASMedia ASM1061: SATA-600 -connectors: 2 x 7pin Serial ATA ¦ SATA-600 / PCIe 3.0 -connectors: 1 x M.2 ¦ PCIe 3.0 -connectors: 1 x M.2 |
| Interfaces | 1 x serial ¦ 1 x HDMI ¦ 1 x VGA ¦ 2 x USB 3.2 Gen 2 ¦ 2 x LAN (Gigabit Ethernet) |
| Internal Interfaces | 2 x USB 3.2 Gen 1 - header ¦ 1 x speaker - header ¦ 1 x VGA - header ¦ 1 x SPI - header |
| Power Connectors | 24-pin main power connector, 8-pin ATX12V connector |
| Miscellaneous | |
| Included Accessories | 1 x M.2 screw, IO shield |
| Cables Included | 1 x Serial ATA cable |
| Compliant Standards | Plug and Play, FCC Part 15 |
| Width | 9.6 in |
| Depth | 9.6 in |
| Features | |
| BIOS Type | AMI |
| BIOS Features | SMBIOS 2.3 support, IPMI support, UEFI BIOS, ACPI 5.1 support, SPI BIOS flashing |
| Hardware Monitoring | CPU core temperature, fan fail warning |
| Hardware Features | Debug LED |
| LAN | |
| Network Controller | Intel I210 |
| Network Interfaces | Gigabit Ethernet |
| Supported RAM | |
| Max Size | 128 GB |
| Technology | DDR4 |
| Bus Clock | 2666 MHz, 3200 MHz |
| Supported RAM Integrity Check | Non-ECC, ECC |