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One Stop Systems 4U 18.5 D Value Line Expansion Enclosure Supports 10 PCIE 3.0 X16 FHFL Slots

One Stop Systems OSSPCIE34UV1021M

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4U Value

Manufacturer Part#  OSSPCIE34UV1021M

Provantage Code:  ONES0CQ

Condition:  Factory New

  • Product Type: Expansion Chassis
  • Form Factor: Rack-mountable
  • Application/Usage: Server

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One Stop Systems OSSPCIE34UV1021M Specifications

    4U 18.5 D Value Line Expansion Enclosure Supports 10 PCIE 3.0 X16 FHFL Slots (8DOUBLE-Wide + 2 Single-Wide) And Dual Redundant 2000W Power Supplies. Includes 4 PCIE X16 3.0 HIB38 Cable Adapters And 2 PCIE X16 Ipass Cables.


    This 10 slot rackmount expansion platform provides GPU expansion at a value price.

    The 4UV supports 2 PCIe 3.0 x16 host connections to 10 PCIe 3.0 x16 slots with two 1m cables to the host server. The system supports 8 double width GPUs or 10 single slot GPUs or add-in boards. Two fan choices allow for high-power GPU cooling up to 300W per GPU or a set-and-forget manual speed control using PWM fans when lower power GPUs or add-in cards are used. Two 2000W power supplies provide up to 4000W of usable power to the GPU accelerator system.


    • 4U rackmount design
    • 10 PCIe 3.0 x16 expansion slots
    • Two PCIe 3.0 x16 host connections
    • Two PCIe 1m cables
    • Tach and PWM fan options
    • Two 2000W load-sharing power supplies
    • Eight EPS12V PCIe power connectors

Environmental Certification


    PCIe Backplanes

    • Two OSS-PCIe-BP-457 PCIe3 5-slot expansion backplanes.

    The 10-slot integrated system includes:

    • Two HIB38-x16 PCIe cable target interfaces (one per backplane)
    • Six PCIe3 x16 double-width slots
    • Four PCIe3 x16 single-width slots

    Host/Target Interface

    • The system includes two PCIe 3.0 x16 host/target interfaces for connecting the accelerator to just about any server.

    HIB38-x16 Host/Target Interfaces:

    • Half-height, half length, single slot x16 PCIe add-in card form factor
    • PCIe3 x16 physical card edge connector (128 Gbps)
    PCIe Cable Specification 2.0 x16 cable connector (128 Gbps)
    • Accepts iPass copper cables up to 2m
    Broadcom PEX 8733 switch includes:
    • Fast-cut through, 150ns latency
    • Non-blocking switch fabric
    • Maximum server compatibility design
    • SSC isolation
    • Integrated 4-channel DMA engine
    • 6.4W typical


    • Each host/target interface comes with a Passive x16 1m cable

    Three 120mm x 38mm fans mounted to the front bezel of the chassis

    • 250CFM fixed-speed fans
    • Tachometer monitoring via front panel LED
    • Perfect for GPU or FPGA accelerator applications up to 3000W

    Dual load-sharing power supplies pluggable from the rear of the chassis:

    • Two 2000W 80Plus Titanium efficiency power supplies
    • Two integrated 220-240V, 10A AC inputs (one in each supply)
    • Power supplies can provide up to 4000W non-redundant total power to the system
    • Supplies are redundant hot-swap when system power requirements are under 2000W total

    Aux Power

    • Up to 8 EPS12V 8-pin 12V PCIe aux power cables available

Package Contents

    • 4U Value GPU Accelerator System
    • Tool Less Rack Slides


General Information
Product Name4U 18.5 D Value Line Expansion Enclosure Supports 10 PCIE 3.0 X16 FHFL Slots
Manufacturer Part NumberOSSPCIE34UV1021M
Product Line4U Value
Product TypeExpansion Chassis
Physical Characteristics
Form FactorRack-mountable
Limited Warranty1 Year
Application / UsageServer
Environmentally FriendlyYes
Other Information
Product Family4U Value
WARNING: Products made from polycarbonate or other plastics can expose you to chemicals including bisphenol A, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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One Stop Systems 4U Value OSSPCIE34UV1021M