Alternate color or configuration shown Asrock 1U4LW-B650/2L2T RPSU server barebone AMD B650 Socket AM5 Rack (1U) Asrock 1U4LW-B650/2L2T RPSU. Motherboard chipset: AMD B650, Processor socket: Socket AM5, Processor manufacturer: AMD. Supported memory types: DDR5-SDRAM, Buffered memory type: Unregistered (unbuffered), Maximum UDIMM memory: 32 GB. Storage drive sizes supported: 3.5". BIOS type: UEFI AMI, BIOS memory size: 256 Mbit. Chassis type: Rack (1U), Number of fans: 40 fan(s) Manufacturer: Asrock SKU: 7517457 Manufacturer part number: 1U4LW-B650/2L2T RPSU GTIN: 4711430520087 MSRP: $1,699.00 Price: $1,573.23 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend 1U Rackmount with 450W Redundant PSU (1+1)Single Socket AM5 (LGA 1718), supports AMD Ryzen 7000 series processors4 DIMM slots (2DPC), supports DDR5 ECC/non-ECC UDIMM4 hot-swap 3.5" SATA drive bays1 FH PCIe4.0 x16Supports 1 M.2 (PCIe5.0 x4)2 RJ45 (10GbE) by Broadcom BCM574162 RJ45 (1GbE) by Intel® i2101 HDMI, 1 DisplayPortRemote Management (IPMI) Overview Specifications Contact Us 1U Rackmount with 450W Redundant PSU (1+1)Single Socket AM5 (LGA 1718), supports AMD Ryzen 7000 series processors4 DIMM slots (2DPC), supports DDR5 ECC/non-ECC UDIMM4 hot-swap 3.5" SATA drive bays1 FH PCIe4.0 x16Supports 1 M.2 (PCIe5.0 x4)2 RJ45 (10GbE) by Broadcom BCM574162 RJ45 (1GbE) by Intel® i2101 HDMI, 1 DisplayPortRemote Management (IPMI) Products specifications Attribute name Attribute value Width 17.2" Depth 21" Height 1.75" Built-in processor N Motherboard chipset AMD B650 BIOS type UEFI AMI Number of main power supplies 1 Number of 3.5" bays 4 Supported memory types DDR5-SDRAM BIOS memory size 256 Mbit ACPI version 6.4 Maximum UDIMM memory 32 GB Number of DIMM slots 4 Number of processors supported 1 COM ports quantity 1 Hot-swap HDD bays Y IPMI LAN (RJ-45) port Y Supported UDIMM clock speeds 5200 MHz System Management BIOS (SMBIOS) version 3.5 Number of redundant power supplies supported 1 Hot-swap fan module Y PCI Express x16 (Gen 4.x) slots 1 Ports & interfaces Ethernet LAN (RJ-45) ports 4 VGA (D-Sub) ports quantity 1 USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 4 Design Chassis type Rack (1U) Operational conditions Operating temperature (T-T) 10 - 35 °C Storage temperature (T-T) -40 - 70 °C Storage relative humidity (H-H) 20 - 90 % Power AC input frequency 50 - 60 Hz AC input voltage 100 - 240 V Redundant power supply (RPS) support Y Power supply 450 W Features Memory form factor 288-pin DIMM Buffered memory type Unregistered (unbuffered) Memory voltage 1.1 V Number of fans 40 fan(s) Plug and Play Y Storage Number of storage drives supported 4 Storage drive sizes supported 3.5" Processor Processor manufacturer AMD Processor socket Socket AM5