Asrock 1U4LW-B650/2L2T RPSU server barebone AMD B650 Socket AM5 Rack (1U)

Warnings: The product may contain components that are harmful to health, use caution when handling. | Warnings: Do not disassemble the unit yourself. | Warnings: Do not throw into regular trash, product requires special disposal. | Depth: 533.4 mm | AC input frequency: 50 - 60 Hz | BIOS memory size: 256 Mbit | PCI Express x16 (Gen 4.x) slots: 1 | Number of storage drives supported: 4 | Number of 3.5" bays: 4 | Supported memory types: DDR5-SDRAM | Plug and Play: Yes | Supported UDIMM clock speeds: 5200 MHz | Number of fans: 40 fan(s) | Ethernet LAN (RJ-45) ports: 4 | COM ports quantity: 1 | AC input voltage: 100 - 240 V | Processor manufacturer: AMD | System Management BIOS (SMBIOS) version: 3.5 | Height: 44.4 mm | Storage temperature (T-T): -40 - 70 °C | Number of redundant power supplies supported: 1 | Operating temperature (T-T): 10 - 35 °C | Maximum UDIMM memory: 32 GB | Power supply: 450 W | IPMI LAN (RJ-45) port: Yes | Redundant power supply (RPS) support: Yes | ACPI version: 6.4 | Memory voltage: 1.1 V | Storage drive sizes supported: 3.5" | Hot-swap HDD bays: Yes | Number of processors supported: 1 | VGA (D-Sub) ports quantity: 1 | USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4 | Number of DIMM slots: 4 | Width: 438 mm | Processor socket: Socket AM5 | Chassis type: Rack (1U) | Buffered memory type: Unregistered (unbuffered) | BIOS type: UEFI AMI | Number of main power supplies: 1 | Storage relative humidity (H-H): 20 - 90% | Built-in processor: No | Memory form factor: 288-pin DIMM | Hot-swap fan module: Yes | Motherboard chipset: AMD B650