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Gen5 4U Pro 16-Slot

High-performance 4U rackmount extension with up to 16 PCIe Gen5 slots for maximum bandwidth

FEATURES

  • 16x PCIe Gen5 x16 slots for GPUs, FPGAs, NVMe flash and network cards
  • 2x 1600W 80Plus titanium power supplies with redundant hot-swap power supply
  • PCIe Gen5 x16 host uplink with copper or fiber optic cables for connections up to 100 meters
  • High-performance expansion capabilities for AI acceleration, HPC and data-intensive workloads
  • Robust 4U rackmount housing with dynamic fan control and optimized cooling performance
SKU: 27390

Description

Gen5 4U Pro 16-Slot – High-performance GPU accelerator with PCIe Gen5 performance

The Gen5 4U Pro 16-slot takes high-performance computing (HPC), AI acceleration and data-intensive workloads to the next level with cutting-edge PCIe Gen5 expansion technology. Designed for maximum bandwidth and scalability, this semi-rugged 4U platform delivers unmatched performance for AI training, deep learning and real-time inference.

Extreme performance for AI & HPC

Equipped with up to eight NVIDIA H100 PCIe GPUs, the Gen5 4U Pro achieves a 2.5x FP64 performance increase compared to the previous generation. In addition, four PCIe Gen5 x16 HIB/NIC slots provide continuous data throughput of up to 256 GB/s, ensuring seamless high-speed connectivity for compute-intensive applications. For maximum flexibility, the system can also be configured with 16 PCIe Gen5 x8 slots to support FPGA data processing, advanced memory expansion and high-speed networking solutions.

Intelligent system management & dynamic cooling

The Gen5 4U Pro integrates OSS’ proprietary U-BMC technology, which provides advanced IPMI-based system monitoring and dynamic fan control for optimized cooling and energy efficiency. The system integrates seamlessly with host server management and allows for easy remote maintenance and performance tuning.

Additional features include replaceable fan filters and options for closed or vented slot covers (available in sets of 17 or 18) that optimize airflow and minimize dust buildup. Unlike traditional data center solutions, the Gen5 4U Pro is designed for demanding environments and features a semi-rugged enclosure that allows it to be used outside of climate-controlled server rooms. Whether in edge AI, industrial automation or mission-critical HPC applications, this powerful expansion platform offers scalable and reliable performance.

Future-proof expansion for next-generation AI workflows

With unmatched PCIe Gen5 bandwidth, optimized thermal management and AI-centric expansion features, the Gen5 4U Pro 16-slot is the best choice for organizations looking to scale compute capacity, accelerate AI innovation and redefine the boundaries of HPC performance.

Manufacturerno.: OSS-PCIe5-4UP

Specifications

Product: Gen5 4U Pro 16-Slot
SYSTEM
Host Options 1x PCIe x4 x16 Host-to-Target uplink (64GB/s)
2x PCIe x4 x16 Host-to-Target uplinks (128GB/s)
4x PCIe x4 x16 Host-to-Target uplinks (256 GB/s)
SmartNIC Host
PCIe Backplanes Single OSS-580:
1x single-width PCIe Gen5 x16 FHFL upstream slot
4x dual-width PCIe Gen5 x16 FHFL downstream slots
Dual OSS-580:
2x single-width PCIe Gen5 x16 FHFL upstream slots
8x dual-width PCIe Gen5 x16 FHFL downstream slots
Single OSS-581:
1x single-width PCIe Gen5 x16 FHFL upstream slot
6x single-width PCIe Gen5 x16 FHFL downstream slots
1x dual-width PCIe Gen5 x16 FHFL downstream slot
Dual OSS-581:
2x single-width PCIe Gen5 x16 FHFL upstream slot
12x single-width PCIe Gen5 x16 FHFL downstream slots (6x per upstream)
2x dual-width PCIe Gen5 x16 FHFL downstream slot (1x per upstream)
Cable PCIe 5.0 cable length: 1, 2 or 3 meters
Additional Slot Options Standard:  Modifies one dual width PCIe Gen5 x16 FHFL downstream slot to two single width PCIe Gen5 x16 FHFL down-stream slots per backplane
Riser: Adds and additional single width PCIe Gen5  FHFL downstream slot per backplane
Linked: Links two backplanes together so all slots are downstream to a single upstream
UMGEBUNG
Chassis 4U rackmount chassis
Cooling 3x 120mm (180CFM) fans
Standard PWM controlled, based on built-in temperature sensors
Optional: IPMI system monitoring and control
Optional: replaceable Quadrafoam 45 PPI fan filters
Power Supply Single/Dual AC 2600W
Single/Dual AC 1600W
Single/Dual DC 1600W
Operating Temperature 0° ~ 35°C
Storage Temperature -40° ~ 71°C
Humidity 10~ 90% non-condensing
Altitude  0 ~ 3,048m
Dimensions (W x H x D) 436.8 x 177.8 x 470mm
Weight 17.23kg (without GPUs)
Certifications FCC Class A, CE Safety & Emissions, UL, cUL, RoHS3

Documents

Datasheet

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