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OCG7900-8H12A
7U 8-GPU drawer-style barebone for ASRock Rack platforms.
- Up to 8 GPUs, with cards up to 370 mm long
- PCIe Gen5 x16 GPU connectivity via MCIO
- Independent slide-out motherboard and GPU trays
- 12 × hot-swap fans and 4+1 CRPS redundant power
Please include your product model, required quantity, and any customization needs.
01 / OVERVIEW
Product overview
7U 8-GPU Drawer-Style Server Barebone for ASRock Rack Motherboards
The OCG7900-8H12A is a custom-developed 7U 8-GPU server barebone designed for ASRock Rack GENOA2D24G-2L+ and TURIN2D24G-2L+/500W motherboards. Featuring a modular drawer-style architecture, PCIe Gen5.0 x16 MCIO connectivity, and high-density GPU expansion capability, it is built for AI computing, HPC, and GPU server integration applications.
Key Features
1. Dedicated ASRock Rack Platform Design
Optimized for ASRock Rack GENOA2D24G-2L+ and TURIN2D24G-2L+/500W motherboards with a dedicated slide-out motherboard tray for reliable system integration.
2. Drawer-Style Modular Architecture
Independent slide-out motherboard and GPU trays simplify installation, cable management, and maintenance for high-density GPU systems.
3. PCIe Gen5.0 x16 GPU Connectivity
Supports PCIe Gen5.0 x16 connectivity via MCIO for high-bandwidth GPU communication and next-generation AI computing platforms.
4. Optimized 8-GPU Server Platform
Supports up to 8 GPUs with a recommended front 3-GPU and rear 5-GPU layout, accommodating up to 4-slot GPUs up to 370mm length.
5. High-Power Cooling and Redundant Power Design
Equipped with 12 × hot-swap fans and 4+1 CRPS redundant power architecture to support demanding multi-GPU workloads.
02 / SPECIFICATIONS
Technical specifications
Please confirm the selected configuration and included components with our team before ordering.
| Chassis and Mechanical Design | |
| Specification | Details |
| Model | OCG7900-8H12A |
| Product Type | 7U 8-GPU drawer-style server barebone |
| Rack Form Factor | 7U, standard 19-inch rackmount |
| Dimensions | 438.4* 900* 310mm, W* D* H |
| Material | SGCC hot-dip galvanized steel |
| Service Modules | Slide-out motherboard tray, front GPU tray and rear GPU tray |
| Motherboard and PCIe Architecture | |
| Specification | Details |
| Supported Motherboards | ASRock Rack GENOA2D24G-2L+; ASRock Rack TURIN2D24G-2L+/500W |
| Motherboard Tray | Dedicated slide-out motherboard tray |
| GPU Interface | PCIe Gen5.0 x16 via MCIO* |
| GPU Support | |
| Specification | Details |
| GPU Capacity | Up to 8 GPUs |
| Recommended GPU Layout | 3 GPUs in the front drawer + 5 GPUs in the rear drawer |
| Maximum GPU Length | 370mm |
| Maximum GPU Height | 150mm with the standard top cover |
| Maximum GPU Width | Up to 4-slot |
| Raised Top Cover | Required for GPUs higher than 150mm |
| Cooling System | |
| Specification | Details |
| System Fan Configuration | 4 × 92* 38mm hot-swap fans + 8 × 80* 38mm hot-swap fans |
| 92mm Fan Zone | Cooling coverage for drives, CPUs and motherboard components |
| 80mm Fan Zone | Dedicated cooling coverage for the GPU section |
| Vibration Isolation | Module-level isolation for the 92mm fan module; individual isolation for each 80mm fan |
| Power and Storage | |
| Specification | Details |
| Power Architecture | 4+1 CRPS redundant power design |
| Supported CRPS Options | 1300W / 1600W / 2000W / 2700W |
| Drive Bays | 12 × 3.5-inch/2.5-inch hot-swap drive bays |
| Backplane Option 1 | 12* SAS/SATA 12Gb/s direct-attach backplane |
| Backplane Option 2 | 12* SAS/SATA 12Gb/s expander backplane |
| Backplane Option 3 | 8* SAS/SATA 12Gb/s + 4* NVMe direct-attach backplane |
| Backplane Option 4 | 8* SAS/SATA 12Gb/s + 4* NVMe expander backplane |
| Controls, Rack and Operating Environment | |
| Specification | Details |
| Front Controls | Power on/off button and reset button |
| Status Indicators | Power status, drive activity and UID LEDs |
| Rail Option 1 | Full-extension ball-bearing rail; maximum load 85kg; adjustable length 686–915mm |
| Rail Option 2 | Heavy-duty support rail; tested maximum load 300kg; adjustable length 725–925mm |
| Rack Compatibility | Standard 19-inch rack; cabinet depth from 1.0m to 1.2m |
| Operating Temperature | 10°C to 35°C |
| Operating Humidity | 8% to 90%, non-condensing |
| Packaging | Professional double-layer system packaging; customizable outer carton |
| * Final PCIe lane allocation and MCIO cable mapping depend on the selected motherboard, CPU platform and system topology. | |
Let’s discuss your configuration
Need drawings, compatibility confirmation, or an OEM/ODM quotation? Send us your project requirements.
