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Silver 2U rackmount barebone server chassis with front drive bays and rear power supplies

ASUS

ASUS RS720A-E12-RS12-26W3GPU 2U barebone server

SKU CH-1494-QC9F5 MPN RS720A-E12-RS12-26W3GPU

A 2U rackmount barebone supporting dual AMD EPYC 9004 processors, 24 DDR5 DIMM slots, nine PCIe 5.0 slots and up to four dual-slot GPUs

  • Form Factor2U Rackmount
  • CPU TypeSupports AMD EPYC 9004 Series Processors (up to 400W)
  • CPU SocketSocket SP5
  • Installed CPUNo CPU Installed
  • Max Processors2
  • CPU FeaturesSupports 4th Generation AMD EPYC Processors with AMD 3D V-Ca
  • Dual AMD EPYC 9004 processors deliver up to 400W TDP per socket
  • 24 DDR5 4800 RDIMM slots support up to 3072GB memory per socket
  • Nine PCIe 5.0 slots plus OCP 3.0 enable high-bandwidth GPU and storage expansion
  • 2600W 1+1 redundant 80 Plus Titanium power supplies ensure continuous operation
  • ASPEED AST2600 with ASMB11-iKVM provides hardware-level remote management and Root-of-Trust security

Dual AMD EPYC 9004 2U server

This 2U rackmount barebones platform accepts up to two AMD EPYC 9004 Series processors in Socket SP5, each with a 400 W TDP ceiling. Twenty-four 288-pin DDR5 slots provide 12-channel memory bandwidth at 4800 or 4400 MHz, scaling to 3072 GB per socket. The chassis targets AI, HPC and dense virtualisation workloads that demand high core counts and memory capacity.

Redundant Titanium power and PCIe 5.0 density

A 2600 W 1+1 redundant 80 Plus Titanium supply feeds the system. Nine PCIe 5.0 expansion slots support configurations of six x8, three x16 full-height cards, plus an OCP 3.0 slot, a low-profile x16 slot and an internal x8 Gen4 RAID slot. Two M.2 connectors and front bays for up to eight NVMe, SATA or SAS drives handle boot and cache tiers. Dual 10 GbE via Intel I710-AT2 and ASPEED AST2600 iKVM complete the rear I/O.

Replaces single-socket or PCIe 4.0 platforms

Organisations moving from single-socket servers or PCIe 4.0 infrastructure gain double the socket count, 12-channel DDR5 and Gen5 I/O for GPU and storage scaling. The jump is worth it when workloads saturate memory bandwidth or require more than two double-slot accelerators. Buyers who need only one processor, fewer than 12 memory channels, or legacy PCIe 3.0 cards will not use the headroom this chassis provides.

Highlights

  • Dual AMD EPYC 9004 processors deliver up to 400W TDP per socket
  • 24 DDR5 4800 RDIMM slots support up to 3072GB memory per socket
  • Nine PCIe 5.0 slots plus OCP 3.0 enable high-bandwidth GPU and storage expansion
  • 2600W 1+1 redundant 80 Plus Titanium power supplies ensure continuous operation
  • ASPEED AST2600 with ASMB11-iKVM provides hardware-level remote management and Root-of-Trust security

Specifications

BrandASUS
ModelRS720A-E12-RS12-26W3GPU
Form Factor2U Rackmount
CPU TypeSupports AMD EPYC 9004 Series Processors (up to 400W)
CPU SocketSocket SP5
Installed CPUNo CPU Installed
Max Processors2
CPU FeaturesSupports 4th Generation AMD EPYC Processors with AMD 3D V-Cache technology
Memory Slots24 x 288Pin
Installed Memory SizeNo Memory Installed
Max Memory SupportedMaximum up to 3072GB per socket
Memory Type SupportedDDR5 4800/4400 RDIMM / 3DS RDIMM
Channel Supported12 Channel
Installed HDDNo Storage Installed
M.22
GPU/VPUAspeed AST2600
Support GPUsUp to 3 GPU cards
PCI ExpressUp to 9 PCIe Gen5 slots + 1 x internal RAID slot
6 x PCIe Gen5 x8 or 3 x PCIe Gen5 x16 (FHFL)
2 x PCIe Gen5 x8 or 1 x PCIe Gen5 x16 or 1 x OCP3.0 (FHFL)
1 x PCIe Gen5 x16 (LPHL)
1 x PCIe Gen4 x8 (LP, internal)
First LANIntel I710-AT2
Max. LAN Speed10 Gigabit
3.5" Bays12 x 3.5"/2.5" HDD Bays
Front USB2 x USB 3.2 Gen1
VGA1 x VGA (Rear)
Rear USB2 x USB 3.2 Gen1
RJ452 x 10GbE
Other Ports1 x Management Port
Max. Power2600W Redundant 1+1, 80 Plus Titanium
TemperatureOperating temperature: 10°C - 35°C
Non operating temperature: -40°C - 60°C
HumidityNon operating humidity: 20% - 90% (Non condensing)
Dimensions33.07” x 17.68" x 3.47"
Weight42.55 lbs.
Shipping weight39.33 kg
Package size1105 × 584 × 363 mm

Questions about this item

What PCIe generation do the expansion slots use and what bandwidth does it provide?

The server offers nine PCIe 5.0 slots delivering 32 GT/s bandwidth for storage, graphics and networking cards.

What rack space and power connections does this 2U chassis require?

It occupies 2U of rack height and includes redundant 2600 W 80 Plus Titanium power supplies in a 1+1 configuration.

How are the AMD EPYC 9004 processors and DDR5 memory installed in this barebone?

Install up to two CPUs into the SP5 sockets and populate the 24 DDR5 288-pin slots across 12 channels per socket; a common error is leaving channels unbalanced.

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