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Silver 2U rackmount barebone chassis with front drive bays and rear I/O panel

GIGABYTE

GIGABYTE R283-Z97-AAF1 2U barebone server

SKU CH-YT3F-4WW22 MPN R283-Z97-AAF1

2U rackmount barebone supporting dual AMD EPYC 9004/9005 CPUs, 24 DDR5-4800 DIMM slots and 12+4 Gen5 NVMe/SATA/SAS drive bays

  • Form Factor2U Rackmount
  • WorkloadAI/ML/HPC
  • CPU TypeAMD EPYC 9005 & 9004 Series
  • CPU SocketSocket SP5
  • Installed CPUNo CPU Installed
  • Max Processors2
  • Dual AMD EPYC 9004/9005 CPUs scale compute density for AI/HPC workloads
  • 24 DDR5-4800 RDIMM slots across 12 channels enable up to 6 TB memory capacity
  • Six PCIe Gen5 x16 slots support dual full-height GPUs plus OCP 3.0 networking
  • 16 hot-swap bays (8 Gen5 NVMe/SATA/SAS-4, 4 SATA/SAS-4, 4 rear SATA/SAS-4) maximise storage density
  • Aspeed AST2600 BMC with dual 1 GbE Intel I350-AM2 LAN provides dedicated management

2U Dual-Socket EPYC Barebone

The GIGABYTE R283-Z97-AAF1 is a 2U rackmount server barebone designed for AI, ML and HPC workloads. It accepts up to two AMD EPYC 9004 or 9005 series processors in SP5 sockets with a cTDP up to 240W. The platform provides 24 DDR5-4800 RDIMM slots across 12 memory channels per CPU. No processors or memory are installed.

Verify CPU, Memory and Drive Compatibility

Confirm that your chosen EPYC 9004 or 9005 CPUs match the SP5 socket and 240W cTDP limit. Source 288-pin DDR5-4800 registered DIMMs to populate up to 24 slots. The front bays accept 3.5-inch or 2.5-inch Gen5 NVMe, SATA or SAS-4 drives, while rear bays take 2.5-inch SATA or SAS-4 units. Two M.2 slots per CPU are occupied for SATA use.

Dual-Slot GPU Support and OCP Networking

The chassis includes two full-height full-length PCIe Gen5 x16 slots rated for dual-slot Gen5 GPUs, plus two full-height half-length Gen5 x16 slots and two OCP NIC 3.0 Gen5 x16 slots. An Aspeed AST2600 provides baseboard management graphics. Dual 1GbE LAN ports via Intel I350-AM2 handle standard network traffic.

Highlights

  • Dual AMD EPYC 9004/9005 CPUs scale compute density for AI/HPC workloads
  • 24 DDR5-4800 RDIMM slots across 12 channels enable up to 6 TB memory capacity
  • Six PCIe Gen5 x16 slots support dual full-height GPUs plus OCP 3.0 networking
  • 16 hot-swap bays (8 Gen5 NVMe/SATA/SAS-4, 4 SATA/SAS-4, 4 rear SATA/SAS-4) maximise storage density
  • Aspeed AST2600 BMC with dual 1 GbE Intel I350-AM2 LAN provides dedicated management

Specifications

BrandGIGABYTE
ModelR283-Z97-AAF1
Form Factor2U Rackmount
WorkloadAI/ML/HPC
CPU TypeAMD EPYC 9005 & 9004 Series
CPU SocketSocket SP5
Installed CPUNo CPU Installed
Max Processors2
CPU FeaturesDual processor, cTDP up to 240W
Memory Slots24 x 288Pin
Installed Memory SizeNo Memory Installed
Memory Type SupportedDDR5 4800
Channel Supported12 Channel
RegisteredYes
Installed HDDNo Storage Installed
M.21 x M.2 (2280/22110), PCIe Gen3 x4, from CPU_0, occupied for SATA
1 x M.2 (2280/22110), PCIe Gen3 x4, from CPU_1, occupied for SATA
1 x M.2 (2280/22110), PCIe Gen3 x2, from CPU_1, occupied for SATA
GPU/VPUAspeed AST2600
PCI Express2 x FHFL PCIe Gen5 x16 slots for GPUs
2 x FHHL PCIe Gen5 x16 slots
2 x OCP NIC 3.0 PCIe Gen5 x16 slots
First LANIntel I350-AM2
Max. LAN Speed1 Gigabit
Hot-Swap BaysFront hot-swap:
8 x 3.5"/2.5" Gen5 NVMe/SATA/SAS-4 [1]
4 x 3.5"/2.5" SATA/SAS-4 [1]
- (4 x NVMe from CPU_0, 4 x NVMe from CPU_1)
- (6 x SATA via CRS2810 from CPU_0)
- (6 x SATA via CRS2810 from CPU_1)
Rear hot-swap:
4 x 2.5" SATA/SAS-4 [1]
- (SATA via CRS2810 from CPU_1)
RJ452
Max. Power1+1 2400W 80 PLUS Platinum redundant power supplies
Fans4 x 80x80x38mm (18,300rpm)
TemperatureOperating temperature: 10°C to 30°C
Non-operating temperature: -40°C to 60°C
HumidityOperating humidity: 8%-80% (non-condensing)
Non-operating humidity: 20%-95% (non-condensing)
Dimensions3.44" x 17.24" x 32.09"
Package Contents1 x R283-Z97-AAF1
2 x CPU heatsinks
1 x Mini-DP to D-Sub cable
2 x GPU power cables (CPU 8pin, 350mm)
1 x 2-Section Rail kit
Shipping weight15.33 kg
Package size1092 × 686 × 305 mm

Questions about this item

Does the barebone include any CPUs, memory modules or drives, or must I supply them all?

The unit ships with no EPYC processors, no DDR5 RDIMMs and no storage installed; you must add up to two Socket SP5 CPUs, 24 DDR5 4800 modules and your choice of drives.

Which EPYC 9004-series processor should I choose for this 2U chassis?

Any Socket SP5 AMD EPYC 9004 or 9005 CPU up to 240 W cTDP is supported; pick core count and clock to match your AI, HPC or general compute workload.

What does the 12-channel DDR5 4800 specification mean for real-world memory bandwidth?

Each socket provides twelve DDR5 4800 channels, so a dual-CPU configuration delivers 24 channels of registered ECC memory for maximum throughput in memory-intensive tasks.

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