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Silver 1U rackmount server barebones chassis with front drive bays

ASUS

ASUS RS700A-E12-RS4U-16W10G barebone server 1U 24 DIMM 1600W

SKU CH-SQN2-Z29S9 MPN RS700A-E12-RS4U-16W10G

1U dual-socket AMD EPYC 9004 barebone with 24 DDR5 slots, 4 NVMe bays, three PCIe 5.0 slots, OCP 3.0, dual-slot GPU support and 1600W redundant power

  • Form Factor1U Rackmount
  • WorkloadGeneral Purpose Server
  • CPU TypeSupports AMD EPYC 9004 Series Processors (up to 400W)
  • CPU SocketSocket SP5
  • Installed CPUNo CPU Installed
  • Max Processors2
  • Supports dual AMD EPYC 9004 CPUs up to 400W TDP each
  • 24 DDR5 4800 RDIMM slots scale to 3072GB per socket
  • Four front NVMe/SATA/SAS bays plus two M.2 slots
  • Three PCIe 5.0 slots plus OCP 3.0 for high-speed expansion
  • 1600W 1+1 redundant 80 Plus power with EVAC heatsink cooling

1U dual-EPYC barebone

The ASUS RS700A-E12-RS4U-16W10G is a 1U rackmount barebone designed for dual AMD EPYC 9004 Series processors up to 400 W each. It targets datacentre operators building general-purpose or AI-ready nodes who will supply their own CPUs, memory and storage.

EVAC cooling and 1+1 power

Enhanced volume air cooling handles the 400 W per socket thermal envelope in a 1U chassis. A 1600 W 1+1 redundant 80 Plus power supply delivers continuous operation during a single-module failure.

24 DDR5 slots and tri-mode bays

Twenty-four 288-pin slots accept DDR5 4800/4400 RDIMM or 3DS RDIMM across twelve channels per socket. Four front bays support NVMe, SATA or SAS drives, while two internal M.2 sockets add boot or cache flexibility. Three PCIe 5.0 slots plus an OCP 3.0 slot provide high-bandwidth expansion for GPUs or networking.

Highlights

  • Supports dual AMD EPYC 9004 CPUs up to 400W TDP each
  • 24 DDR5 4800 RDIMM slots scale to 3072GB per socket
  • Four front NVMe/SATA/SAS bays plus two M.2 slots
  • Three PCIe 5.0 slots plus OCP 3.0 for high-speed expansion
  • 1600W 1+1 redundant 80 Plus power with EVAC heatsink cooling

Specifications

BrandASUS
ModelRS700A-E12-RS4U-16W10G
Form Factor1U Rackmount
WorkloadGeneral Purpose Server
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
Serial ATA4 x NVMe/SATA/SAS
M.22
GPU/VPUAspeed AST2600
PCI ExpressUp to 3 x PCIe Gen5 slots + 1 x internal RAID slot
1 x PCIe Gen5 x16 (FHFL)
1 x PCIe Gen5 x16 or OCP3.0 (FHFL)
1 x PCIe Gen5 x16 (LP)
1 x PCIe Gen4 x8 (LP, internal)
First LANIntel I710-AT2
Max. LAN Speed10 Gigabit
2.5" Bays12
Front USB2 x USB 3.2 Gen1
VGA1 x VGA (Front), 1 x VGA (Rear)
Rear USB2 x USB 3.2 Gen1
RJ452 x 10GbE
Other Ports1 x Management Port
Max. Power1600W Redundant 1+1, 80 Plus
TemperatureOperating temperature: 10°C - 35°C
Non operating temperature: -40°C - 70°C
HumidityNon operating humidity: 20% - 90% (Non condensing)
Dimensions33.17” x 17.68" x 1.73"
Weight30.71 lbs.
Shipping weight19.96 kg
Package size1148 × 598 × 200 mm

Questions about this item

How do I install the AMD EPYC 9004 processors into the Socket SP5 sockets, and what step is often missed?

Align the processor triangle with the socket marker, lower the carrier frame evenly, then torque the captive screws in the labelled sequence; the step most often missed is applying the included thermal interface material before seating the heatsink.

Which components will need replacement first during the server's service life?

The 1600 W redundant 1+1 power supply fans and the EVAC heatsink fans are the primary moving parts rated for continuous 400 W TDP cooling; plan to inspect them at regular intervals and replace if bearing noise or airflow drops.

What thermal limit appears first when both CPUs run sustained 400 W workloads?

The EVAC heatsink design is validated for up to 400 W per socket; if inlet air temperature rises or fan speed cannot increase further, the processor will hit its thermal throttle point before the 1600 W power supplies reach their output ceiling.

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