Server Barebone Asrock 1U4LW-B650/2L2T RPSU AMD B650 Socket AM5 Rack (1U)
Specifications
| System | |
| Form Factor | 1U Rackmount | 
| Dimensions | 534.35 x 430 x 43.3 mm (21” x 16.9” x 1.7”) | 
| Support MB | X570D4U-2L2T | 
| Front Panel | |
| Buttons | Power button w/ LED, UID w/LED, System reset | 
| LEDs | LANs, HDD activity, System health | 
| I/O Ports | 2 Tyep-A (USB3.2 Gen1) | 
| External Drive Bay / Storage | |
| Front Side Drive Bay | 4 Hot-swap 3.5" HDD/SSD (SATA 6Gb/s) bays 1 Slim ODD (BTO)  | 
| Internal Side | 3 fixed 2.5" HDD/SSD (SATA 6Gb/s) bays 1 M-key (PCIe4.0* x4 or SATA 6Gb/s); Form factor: 22110/2280/2260/2242 [CPU] 1 M-key (PCIe4.0* x4 or SATA 6Gb/s); Form factor: 2280/2260/2242 [FCH] *Supports PCIe3.0 when using AMD Ryzen™ 4000 and 3000 G-Series Desktop Processors with Radeon™ Graphics  | 
| Power Supply | |
| Type | 1+1 Redundant PSU | 
| Output Watts | 450W | 
| AC Input | 100-240V, 50-60Hz | 
| System Fan | |
| Fan | 5 PWM Easy-swap 40x28 mm fans | 
| Processor System | |
| CPU | Supports: AMD Ryzen™ 5000 and 3000 Series Desktop Processors AMD Ryzen™ 4000 and 3000 G-Series Desktop Processors with Radeon™ Graphics AMD Ryzen™ PRO 5000, 4000 and 3000 Series Desktop Processors  | 
| Socket | AM4 PGA 1331 | 
| Chipset | AMD X570 | 
| System Memory | |
| Supported DIMM Quantity | 4 DIMM slots (2DPC) | 
| Supported Type | 288-pin DDR4 ECC* and non-ECC 
UDIMM *For AMD Ryzen Desktop Processors with Radeon Graphics, ECC support is only with Processors with PRO technologies.  | 
| Max. Capacity per DIMM | 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 | Supports 1 FHHL PCIe4.0 x16* via 
RB1UX16_G4 *Supports PCIe3.0 x8 when using AMD Ryzen™ 3000 G-Series Desktop Processors with Radeon™ Graphics *Supports PCIe3.0 x16 when using AMD Ryzen™ 4000 G-Series Desktop Processors with Radeon™ Graphics  | 
| Server Management | |
| BMC Controller | ASPEED AST2500 | 
| IPMI Dedicated GLAN | 1 x Realtek RTL8211E for dedicated management GLAN | 
| Graphics | |
| Controller | ASPEED AST2500: 1 DB15 (VGA) AMD Ryzen Desktop Processors with Radeon Graphics: 1 HDMI  | 
| VRAM | DDR4 16MB | 
| Rear I/O | |
| UID Button/LED | 1 UID w/ LED | 
| VGA Port | 1 D15 (VGA) | 
| Serial Port | 1 DB9 (COM) | 
| USB 3.2 Gen2 Port | 2 Type-A (USB3.2 Gen2) | 
| RJ45 | 2 RJ45(10GbE) by Intel® X550-AT2 2 RJ45(1GbE) by Intel® i210 1 dedicated IPMI  | 
| System BIOS | |
| BIOS Type | 32MB AMI UEFI Legal BIOS | 
| BIOS Features | Plug and Play (PnP), ACPI 2.0 Compliance Wake Up Events, SMBIOS 2.8.0 Support, ASRock Rack Instant Flash | 
| Environment | |
| Temperature | Operation temperature: 10°C ~ 35°C* / Non operation temperature: -40°C ~ 70°C | 
| Humidity | Non operation humidity: 20% ~ 90% ( Non condensing) | 





