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Silver 4U rackmount server chassis with front drive bays and rear expansion slots

GIGABYTE

GIGABYTE G494-SB0-AAP1 barebone server 4U dual Xeon 6 8 GPU 32 DIMM

SKU CH-7XS8-MVFJF MPN G494-SB0-AAP1

4U rackmount barebone for dual Intel Xeon 6 processors with 32 DDR5 DIMM slots, eight full-height PCIe Gen5 x16 GPU slots, twelve hot-swap drive bays and dual 10 GbE LAN

  • Form Factor4U Rackmount
  • WorkloadAI/ML/HPC
  • CPU TypeIntel Xeon 6 Processors - Intel Xeon 6700-Series Processors
  • CPU SocketLGA 4710
  • Installed CPUNo CPU Installed
  • Max Processors2
  • Dual Xeon 6 CPUs deliver up to 350 W TDP for compute-intensive workloads
  • 32 DDR5 slots support RDIMM at 6400 MT/s and MRDIMM at 8000 MT/s
  • Eight full-height PCIe 5.0 x16 slots accept dual-slot Gen5 GPUs
  • Twelve hot-swap bays handle 3.5" or 2.5" NVMe, SATA and SAS drives
  • Dual 10 GbE LAN via Intel X710-AT2 provides high-speed network connectivity

Dual Xeon 6 AI barebone for rack deployment

The GIGABYTE G494-SB0-AAP1 is a 4U server barebone built for AI, machine learning and high-performance computing workloads. It accepts two Intel Xeon 6 processors in LGA 4710 sockets with TDPs up to 350 W each. No CPU or memory is installed, so integrators choose the exact 6500- or 6700-series models required.

PCIe Gen5 GPU and storage limits

Eight full-height full-length PCIe Gen5 x16 slots support up to eight dual-slot GPUs for dense acceleration. Twelve additional hot-swap bays accept 3.5" or 2.5" drives: eight bays run Gen5 NVMe, SATA or SAS-4 with four lanes from each CPU, while four bays support SATA and SAS-4 only. A single front-access FHHL PCIe Gen5 x8 slot provides extra I/O expansion.

Verify power, cooling and memory before ordering

Dual 350 W processors and eight double-slot GPUs demand substantial power delivery and airflow that the rack infrastructure must supply. Memory must be DDR5 RDIMM or MRDIMM in all 32 slots to reach 8-channel performance; RDIMM speeds are 6400 MT/s at 1DPC and 5200 MT/s at 2DPC, while MRDIMM reaches 8000 MT/s. Confirm the platform firmware supports the chosen Xeon 6 stepping.

Highlights

  • Dual Xeon 6 CPUs deliver up to 350 W TDP for compute-intensive workloads
  • 32 DDR5 slots support RDIMM at 6400 MT/s and MRDIMM at 8000 MT/s
  • Eight full-height PCIe 5.0 x16 slots accept dual-slot Gen5 GPUs
  • Twelve hot-swap bays handle 3.5" or 2.5" NVMe, SATA and SAS drives
  • Dual 10 GbE LAN via Intel X710-AT2 provides high-speed network connectivity

Specifications

BrandGIGABYTE
ModelG494-SB0-AAP1
Form Factor4U Rackmount
WorkloadAI/ML/HPC
CPU TypeIntel Xeon 6 Processors
- Intel Xeon 6700-Series Processors
- Intel Xeon 6500-Series Processors
CPU SocketLGA 4710
Installed CPUNo CPU Installed
Max Processors2
CPU FeaturesDual processor, TDP up to 350W
Memory Slots32 x 288Pin
Installed Memory SizeNo Memory Installed
Memory Type SupportedRDIMM: Up to 6400 MT/s (1DPC), 5200 MT/s (2DPC)
MRDIMM: Up to 8000 MT/s
Channel Supported8 Channel
RegisteredYes
Installed HDDNo Storage Installed
GPU/VPUAspeed AST2600
PCI Express8 x FHFL PCIe Gen5 x16 slots for GPUs
1 x FHHL PCIe Gen5 x8 slot on the front side
First LANIntel X710-AT2
Max. LAN Speed10 Gigabit
Hot-Swap Bays8 x 3.5"/2.5" Gen5 NVMe/SATA/SAS-4
4 x 3.5"/2.5" SATA/SAS-4
- (4 x NVMe from CPU_0, 4 x NVMe from CPU_1)
Buttons1 x NMI button
1 x Reset button
LEDs1 x Power button with LED
1 x ID button with LED
1 x Storage activity LED
1 x System status LED
Front USB2 x USB 3.2 Gen1 ports (Type-A)
Max. PowerQuad 3000W 80 PLUS Titanium redundant power supply
Fans12 x 60x60x56mm (23,000rpm)
TemperatureOperating temperature: 10°C to 35°C
Non-operating temperature: -40°C to 60°C
HumidityOperating humidity: 8-80% (non-condensing)
Non-operating humidity: 20%-95% (non-condensing)
Dimensions6.93" x 17.64" x 34.65"
Package Contents1 x G494-SB0-AAP1
2 x CPU fansinks
8 x GPU power cables (12VHPWR, 150mm)
4 x Carriers
1 x L-shape Rail kit
Shipping weight20.00 kg
Package size1200 × 800 × 444 mm

Questions about this item

Should I pick RDIMM at 6400 MT/s or MRDIMM at 8000 MT/s for the 32 DDR5 slots?

Use RDIMM at 6400 MT/s when populating one DIMM per channel; MRDIMM reaches 8000 MT/s but check your CPU SKU and workload for compatibility.

What does the 350 W TDP per Xeon 6 processor mean for cooling in this 4U chassis?

Each socket can draw up to 350 W, so the 4U design must handle 700 W combined CPU heat plus eight Gen5 GPUs — plan for high-airflow fans or liquid cooling.

How many PCIe 5.0 lanes are actually usable for the eight GPU slots and NVMe bays?

Each Xeon 6 offers up to 136 lanes; the eight x16 GPU slots and eight NVMe bays (four per CPU) share that pool, so lane allocation depends on the exact CPU model chosen.

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