GIGABYTE
GIGABYTE R263-SG0-AAL1 barebone server 2U 4 GPU 12 bay
2U rackmount barebones server holds twelve 3.5 or 2.5 inch hot-swap bays and four full-height PCIe Gen5 GPU slots for a single Xeon CPU
- Form Factor2U Rackmount
- WorkloadGeneral Purpose Server
- CPU TypeSupport 4th/5th Gen Intel Xeon Scalable and Intel Xeon CPU M
- CPU SocketLGA 4677
- Installed CPUNo CPU Installed
- Max Processors1
- Supports four dual-slot GPUs with four PCIe Gen5 x16 slots
- Single 5th/4th Gen Intel Xeon Scalable processor up to 350W TDP
- 16 DDR5 RDIMM slots across eight channels for up to 4TB memory
- 12 hot-swappable 3.5/2.5-inch SATA/SAS-4 drive bays
- M.2 slot with PCIe Gen3 x4 interface for 2280/22110 cards
2U 4-GPU barebone for compute workloads
The GIGABYTE R263-SG0-AAL1 is a 2U rackmount barebone that accepts one LGA 4677 processor from the 4th or 5th Gen Intel Xeon Scalable families or the Intel Xeon CPU Max Series. It targets teams building dense GPU clusters for AI training, HPC or rendering where four full-height Gen5 cards fit in a single chassis.
Upgrade from single-GPU or PCIe Gen4 platforms
Moving to this chassis makes sense when workloads outgrow a single accelerator or when Gen4 bandwidth limits multi-GPU scaling. The four FHFL PCIe Gen5 x16 slots plus one OCP 3.0 Gen5 x16 slot remove that bottleneck, and the 350 W CPU ceiling supports the highest-frequency parts without throttling.
Verify CPU cooler clearance and power infrastructure
Confirm the chosen heatsink fits the 2U height and that the rack PDU can deliver enough current for a 350 W processor plus four dual-slot GPUs. Memory must be DDR5 RDIMM; the 16 slots run in eight channels up to 4 TB. Storage uses 12 hot-swap bays for 3.5 or 2.5 SATA/SAS drives and one M.2 M-key slot at PCIe Gen3 x4.
Highlights
- Supports four dual-slot GPUs with four PCIe Gen5 x16 slots
- Single 5th/4th Gen Intel Xeon Scalable processor up to 350W TDP
- 16 DDR5 RDIMM slots across eight channels for up to 4TB memory
- 12 hot-swappable 3.5/2.5-inch SATA/SAS-4 drive bays
- M.2 slot with PCIe Gen3 x4 interface for 2280/22110 cards
Specifications
| Brand | GIGABYTE |
|---|---|
| Model | R263-SG0-AAL1 |
| Form Factor | 2U Rackmount |
| Workload | General Purpose Server |
| CPU Type | Support 4th/5th Gen Intel Xeon Scalable and Intel Xeon CPU Max Series Processor |
| CPU Socket | LGA 4677 |
| Installed CPU | No CPU Installed |
| Max Processors | 1 |
| CPU Features | Single processor, TDP up to 350W |
| North Bridge | Intel C741 |
| Memory Slots | 16 x 288Pin |
| Installed Memory Size | No Memory Installed |
| Max Memory Supported | 4TB |
| Memory Type Supported | 5th Gen Intel Xeon: Up to *5600 MT/s (1DPC), 4400 MT/s (2DPC) 4th Gen Intel Xeon: Up to 4800 MT/s (1DPC), 4400 MT/s (2DPC) Intel Xeon Max Series: Up to 4800 MT/s (1DPC), 4400 MT/s (2DPC) *5600 MT/s support under 2DPC configuration requires verified memory and BIOS setup. Please refer to the QVL for more information. |
| Channel Supported | 8 Channel |
| Registered | Yes |
| Installed HDD | No Storage Installed |
| M.2 | 1 x M.2 slot: - M-key - PCIe Gen3 x4, from PCH - Supports 2280/22110 cards |
| GPU/VPU | Aspeed AST2600 |
| PCI Express | 4 x FHFL PCIe Gen5 x16 slots for GPUs 1 x OCP 3.0 Gen5 x16 slot |
| Max. LAN Speed | 1 Gigabit |
| Hot-Swap Bays | Front side: 12 x 3.5"/2.5" SATA/SAS-4 hot-swappable bays |
| Buttons | 1 x NMI button 1 x Reset button |
| LEDs | 1 x Power button with LED 1 x ID button with LED 2 x LAN activity LEDs (disabled) 1 x Storage activity LED 1 x System status LED |
| Front USB | 2 x USB 3.2 Gen 1 |
| DisplayPort | 1 x Mini DisplayPort |
| Rear USB | 2 x USB 3.2 Gen 1 |
| Other Ports | 1 x MLAN |
| Max. Power | Dual 2700W 80 PLUS Titanium redundant power supply |
| Fans | 4 x 80x80x38mm (18,300rpm) |
| Temperature | Operating temperature: 10°C to 35°C Non-operating temperature: -40°C to 60°C |
| Humidity | Operating humidity: 8%-80% (non-condensing) Non-operating humidity: 20%-95% (non-condensing) |
| Dimensions | 3.44" x 17.24" x 32.09" |
| Weight | 61.29 lbs. |
| Package Contents | 1 x R263-SG0-AAL1 1 x CPU heatsink 1 x Mini-DP to D-Sub cable 2 x GPU power cables (12VHPWR, 450mm) 2 x GPU power cables (12VHPWR, 550mm) 3 x Carriers 1 x 2-Section Rail kit |
| Shipping weight | 29.80 kg |
| Package size | 1077 × 679 × 300 mm |
Questions about this item
What rack depth and clearance are required for the 2U chassis with 12 front drive bays?
The server occupies a standard 2U rack height and uses 12 x 3.5"/2.5" hot-swap bays at the front; ensure the cabinet depth accommodates the full chassis length plus cable bend radius behind the drive cage.
Which slot order should be used when installing the four dual-slot Gen5 GPUs to avoid blocking the OCP 3.0 adapter?
Populate the four full-height full-length PCIe Gen5 x16 slots first; the single OCP 3.0 Gen5 x16 slot sits separately and remains accessible once the GPU brackets are secured.
What is the maximum registered DDR5 capacity the 16 DIMM slots can hold with a 5th Gen Xeon?
Up to 4 TB of registered DDR5 across 16 x 288-pin slots running in 8-channel mode at up to 5600 MT/s (1 DPC) or 4400 MT/s (2 DPC).
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