https://onechassis.comhttps://onechassis.com
en_US EN
en_US EN ru_RU RU de_DE_formal DE es_ES ES pt_PT_ao90 PT ko_KR KO ja JA ar AR fr_CA FR
7U 8-GPU Standard Motherboard Barebone | OCG7900-8H12B

OCG7900-8H12B

7U 8-GPU Drawer-Style Server Barebone for Standard Motherboards

The OCG7900-8H12B is a flexible 7U 8-GPU server bare-bones featuring a standard removable motherboard tray that supports 15.12 × 13.2-inch EEB, CEB, ATX, and Micro-ATX motherboard platforms. With modular drawer-style architecture and PCIe Gen5.0 x16 GPU connectivity through PCIe x16-to-x16 cable connections, it is designed for OEM, ODM and custom GPU server integration projects.

Key Features

1. Flexible Standard Motherboard Support

Supports multiple motherboard platforms including:

  • 15.12 × 13.2-inch
  • EEB
  • CEB
  • ATX
  • Micro-ATX

Designed for OEM, ODM, and custom GPU server integration projects requiring motherboard flexibility.

2. Drawer-Style Modular Architecture

The removable motherboard tray and independent GPU trays provide easier installation, inspection, and maintenance compared with traditional fixed chassis designs.

3. PCIe Gen5.0 x16 GPU Connectivity

Supports PCIe Gen5.0 x16 GPU expansion through PCIe x16-to-x16 cable connections, providing a flexible solution for standard motherboard platforms.

4. High-Density 8-GPU Computing Platform

Supports up to 8 GPUs with a recommended 3-GPU front tray and 5-GPU rear tray configuration, supporting large multi-slot GPUs.

5. Scalable Power, Cooling and Storage Design

Supports 4+1 CRPS redundant power, 12 hot-swap fans, and 12 hot-swap drive bays for AI, HPC, and GPU server applications.

Specification

Chassis and Mechanical Design
SpecificationDetails
ModelOCG7900-8H12B
Product Type7U 8-GPU drawer-style server barebone
Rack Form Factor7U, standard 19-inch rackmount
Dimensions438.4 × 900 × 310mm, W × D × H
MaterialSGCC hot-dip galvanized steel
Service ModulesSlide-out motherboard tray, front GPU tray and rear GPU tray
Motherboard and PCIe Architecture
SpecificationDetails
Motherboard TrayStandard multi-form-factor slide-out motherboard tray
Maximum Motherboard Size15.12 × 13.2 inches
Supported Motherboard Formats15.12 × 13.2-inch, EEB, CEB, ATX and Micro-ATX
EEB Support12 × 13 inches
CEB Support12 × 10.5 inches
ATX Support12 × 9.5 inches
GPU InterfacePCIe Gen5.0 x16 via MCIO*
GPU Support
SpecificationDetails
GPU CapacityUp to 8 GPUs
Recommended GPU Layout3 GPUs in the front drawer + 5 GPUs in the rear drawer
Maximum GPU Length370mm
Maximum GPU Height150mm with the standard top cover
Maximum GPU WidthUp to 4-slot
Raised Top CoverRequired for GPUs higher than 150mm
Cooling System
SpecificationDetails
System Fan Configuration4 × 92 × 38mm hot-swap fans + 8 × 80 × 38mm hot-swap fans
92mm Fan ZoneCooling coverage for drives, CPUs and motherboard components
80mm Fan ZoneDedicated cooling coverage for the GPU section
Vibration IsolationModule-level isolation for the 92mm fan module; individual isolation for each 80mm fan
Power and Storage
SpecificationDetails
Power Architecture4+1 CRPS redundant power design
Supported CRPS Options1300W / 1600W / 2000W / 2700W
Drive Bays12 × 3.5-inch/2.5-inch hot-swap drive bays
Backplane Option 112 × SAS/SATA 12Gb/s direct-attach backplane
Backplane Option 212 × SAS/SATA 12Gb/s expander backplane
Backplane Option 38 × SAS/SATA 12Gb/s + 4 × NVMe direct-attach backplane
Backplane Option 48 × SAS/SATA 12Gb/s + 4 × NVMe expander backplane
Controls, Rack and Operating Environment
SpecificationDetails
Front ControlsPower on/off button and reset button
Status IndicatorsPower status, drive activity and UID LEDs
Rail Option 1Full-extension ball-bearing rail; maximum load 85kg; adjustable length 686–915mm
Rail Option 2Heavy-duty support rail; tested maximum load 300kg; adjustable length 725–925mm
Rack CompatibilityStandard 19-inch rack; cabinet depth from 1.0m to 1.2m
Operating Temperature10°C to 35°C
Operating Humidity8% to 90%, non-condensing
PackagingProfessional double-layer system packaging; customizable outer carton
* Final motherboard compatibility, PCIe lane allocation and MCIO cable mapping depend on the selected motherboard, CPU platform and system topology.
* Please provide the exact motherboard model or mechanical drawing for final compatibility confirmation.

Recommend