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Silver 1U rackmount server chassis with four front hot-swap 3.5 inch drive bays

ASRock Rack

ASRock Rack 1U4LW-X570/2L2T 1U barebone server AM4 X570 4×3.5″ hot-swap dual 10GbE 400W PSU

SKU CH-WMC2-FJPAV MPN 1U4LW-X570/2L2T

1U rackmount barebone for AMD Ryzen AM4 CPUs with four hot-swap 3.5″ drive bays, dual 10GbE ports and a 400W power supply

  • Form Factor1U Rackmount
  • CPU TypeAMD Ryzen 5000 Series Desktop Processors AMD Ryzen 4000 G-Se
  • CPU SocketAM4
  • North BridgeAMD X570
  • Memory Slots4 x 288Pin
  • Installed Memory SizeNo Memory Installed
  • Supports AMD Ryzen 5000 and 3000 series desktop processors on AM4 socket
  • Dual 10 Gigabit and 1 Gigabit LAN via Intel X710-AT2 and I210 controllers
  • Four hot-swap 3.5-inch SATA drive bays plus three fixed 2.5-inch bays for storage density
  • Single PCIe 4.0 x16 full-height slot via riser card for GPU or accelerator expansion
  • 400 Watt 100-240V power supply with IPMI management through Aspeed AST2500 BMC

1U AMD Ryzen AM4 X570 Server Barebone

The ASRock Rack 1U4LW-X570/2L2T is a 1U rackmount server barebone built on the AMD X570 chipset for AM4 socket Ryzen desktop processors. It includes a 400 W redundant power supply operating from 100 to 240 V at 50 to 60 Hz. The chassis provides four hot-swap 3.5-inch SATA drive bays and three fixed 2.5-inch bays. No memory or storage is installed.

Suited for single-socket Ryzen builds

This platform suits integrators assembling a general-purpose 1U server that needs dual 10 Gigabit Ethernet from the Intel X710-AT2 controller plus a dedicated 1 Gigabit port from the Intel I210. It also offers a full-height half-length PCIe 4.0 x16 slot via the included riser for one add-in card. Buyers who need more than one PCIe expansion slot or who require additional 10GbE ports should look at larger form-factor barebones.

PCIe 4.0 x16 riser slot dictates expansion capacity

The single FHHL PCIe 4.0 x16 slot supplied by the RB1UX16_G4 riser is the only internal expansion interface. With a Ryzen 5000 or 3000 series CPU it runs at PCIe 4.0 x16; with a Ryzen 4000 G-series APU it falls back to PCIe 3.0 x8. This constraint decides whether the chassis can host the required accelerator, NIC or storage controller.

Highlights

  • Supports AMD Ryzen 5000 and 3000 series desktop processors on AM4 socket
  • Dual 10 Gigabit and 1 Gigabit LAN via Intel X710-AT2 and I210 controllers
  • Four hot-swap 3.5-inch SATA drive bays plus three fixed 2.5-inch bays for storage density
  • Single PCIe 4.0 x16 full-height slot via riser card for GPU or accelerator expansion
  • 400 Watt 100-240V power supply with IPMI management through Aspeed AST2500 BMC

Specifications

BrandASRock Rack
Model1U4LW-X570/2L2T
Form Factor1U Rackmount
CPU TypeAMD Ryzen 5000 Series Desktop Processors
AMD Ryzen 4000 G-Series Desktop Processors with Radeon Graphics
AMD Ryzen PRO 4000 and 3000 Series Desktop Processors
AMD Ryzen 3rd Gen Desktop Processors
AMD Ryzen 3000 Series Processors with Radeon Graphics
CPU SocketAM4
North BridgeAMD X570
Memory Slots4 x 288Pin
Installed Memory SizeNo Memory Installed
Memory Type SupportedUp to DDR4 3200 MHz*
* AMD Ryzen 3000 Series Processors with Radeon Graphics support up to 2666 MHz
Installed HDDNo Storage Installed
GPU/VPUAspeed AST2500
Video Memory16MB DDR4
PCI ExpressSupports 1 FHHL (PCIe4.0 x16)* via RB1UX16_G4
*Supports PCIe3.0 x8 when using AMD Ryzen 3000 Series Processors with Radeon Graphics
First LANIntel X710-AT2
Second LANIntel I210
Max. LAN Speed10 Gigabit + 1 Gigabit
Hot-Swap Bays4 x Hot-swap 3.5" HDD/SSD (SATA 6Gb/s) bays
COM1
VGA1
Rear USB2 x USB 3.2 Gen 2
RJ452 x RJ45(10GbE) by Intel X710-AT2
2 x RJ45(1GbE) by Intel i210
Max. Power400W, 80-Plus Gold, 100-240V, 50-60Hz
Features1U Rackmount with 450W RPSU
supports AMD Ryzen 5000 Series Desktop Processors
4 DDR4 ECC/ non-ECC UDIMM, up to 32GB each
4 Hot-swap 3.5'' HDD/SSD bays, 3 fixed 2.5" HDD/SSD bays
1 FHHL PCIe 4.0 x16
On-board dual 10GbE RJ45 and dual 1GbE RJ45
Remote management (IPMI)
Dimensions1.75" x 21.00" x 19.00"
Shipping weight16.01 kg
Package size777 × 632 × 226 mm

Questions about this item

How do I install a CPU in the AM4 socket on this 1U barebone and what step is often missed?

Open the socket lever, align the gold triangle on the Ryzen processor with the socket corner, lower the chip without force, then close the lever fully; the step often missed is removing the plastic protective cover from the socket before insertion.

Which components will need replacement first during long-term operation?

The 400W power supply and the four hot-swap drive trays see the most thermal cycles; fans inside the PSU and the tray latch mechanisms typically wear out before the motherboard or the Aspeed AST2500 BMC.

What limit appears first when the system runs sustained workloads?

The 1U chassis airflow restricts CPU cooling headroom, so thermal throttling on the AM4 processor occurs before the 10 Gigabit Intel X710-AT2 or the PCIe 4.0 x16 riser card reach their bandwidth ceilings.

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