Cubix Xpander Rackmount 16 5U Gen 2 PCIe Expansion Enclosure

Cubix Xpander Rackmount 16 5U Gen 2 PCIe Expansion Enclosure

Cubix Xpander Rackmount 16 5U Gen 2 PCIe Expansion Enclosure

B&H # CUXPRMX16844 MFR # XPRM-X16-844A
Cubix Xpander Rackmount 16 5U Gen 2 PCIe Expansion Enclosure

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Product Highlights

  • 2 x PCIe Gen 2 x16 Slots
  • 4 x Slots in Each of 2 x MIBs
  • x16, 136-Pin Connector Type
  • Up to 250 Mating Cycles/Connector
  • 4 x Cooling Fans
  • Independent Power Supply per MIB
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  • 1Description

The Xpander Rackmount 16 5U Gen 2 PCIe Expansion Enclosure from Cubix provides four Main Interface Boards (MIBs), each connected to a host with a PCIe x16 cable and four PCIe x16 slots for a total of 16 single-slot GPUs or 8 double-slot GPUs with top-connected auxiliary power cables. The host must have at least one PCIe x16 expansion slot available for the Host Interface Controller (HIC). Connect each MIB to one of four HICs in one host or each MIB to a HIC in each of four host computers. Each MIB inside the Rackmount 16 enclosure connects to one HIC in one host computer.

One host computer can support all MIBs inside the Rackmount 16 enclosure if the host has fourPCIe x16 slots available. Rackmount 16 provides a set of four PCIe Generation 2 (Gen 2) x16 slots for Graphical Processing Units (GPUs), which you can use for graphical-rendering, for high performance computing (HPC) and other Compute Unified Device Architecture (CUDA) enabled tasks. Xpander Rackmount 16 can also support PCIe connected solid-state drives (SSDs) or other PCIe adapters with multiple Input/Output (I/O) ports, including FireWire, USB 2.0, and high-definition (HD) audio.

Four PCIe Gen 2 x16 expansion slots that support dual-slot and single-slot cards per Main Interface Board
Four Main Interface Boards per 5RU rackmount Xpander provide 16 total slots
An independent power supply per Main Interface Board with temperature-controlled cooling fans
It has a straightforward installation, as you can install a HIC in the host and drivers for devices in Xpander
Front-panel management LCD monitors power, temperature, fans, and link and slot status


Install GPUs for fast hardware acceleration or install multi-function PCIe cards
Adds 16 single-slot GPUs connected to one to four rackmount computers
Adds 16 single-wide GPUs per Xpander Rackmount 16
Monitor status of power supplies, temperature, and fans, as well as links and slots
In the Box
Cubix Xpander Rackmount 16 5U Gen 2 PCIe Expansion Enclosure
  • 4 x Cooling Fans
  • 4 x 750W Power Supplies
  • 4 x Power Cords
  • 4 x Main Interface Boards (MIBs)
  • 4 x PCIe x16 HICs
  • 4 x External PCIe x16 Cables
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Expansion Slots PCIe Gen 2 x16
    Number of Slots (Standard) 4 x slots in each of 4 x MIBs for a total of 16 x slots
    Form Factor Support
    Double-Wide 8 x Full-height, full-length controllers or adapters in 4 x MIBs
    Single-Wide 16 x Full-height, full-length controllers or adapters in 4 x MIBs
    Connecting Cable External PCIe cable
    Connector Type (Standard) x16, 136-pin
    Length Standard 6.6' (2.0 m)
    Connector Duty Cycle 250 mating cycles maximum per connector
    PCIe x16
    PCIe x16 Host Adapter Install in a PCIe x16 slot
    PCIe Gen 2 Slot 80.0 Gb/s data transfer rate (theoretical)
    PCIe Gen 1 Slot 40.0 Gb/s data transfer rate (theoretical)
    LCD Panel
    Front Panel LCD MIB Select: Left button
    Main Menu: Center button
    Sub Menu: Right button
    Cubix Corporation MIB assembly and revision
    Management firmware revision
    Power Supply Status Standard main power
    Temperature Status 3 x Sensor readouts in degrees Centigrade (C)
    Status Fan status, voltage percent (%) speed
    PCIe Link Status x16 cable connected
    2.5 Gb/s or 5.0 Gb/s x16 link speed
    x16 cable Connected or not connected status
    Slot 1 - 4 x16 Transfer Rate PCIe Gen 2: 5.0 Gb/s x16 = 80 Gb/s (theoretical)
    PCIe Gen 1: 2.5 Gb/s x16 = 40 Gb/s (theoretical)
    LCD Panel Backlight Toggle on/off using right button
    Rear Panel Power input receptacles
    Adapter Ports On installed controllers or adapters (if available)
    Receptacle 1-2 (Right) Controls MIBs 1 and 2 (rear)
    Receptacle 3-4 (Left) Controls MIBs 3 and 4 (rear)
    Cooling Fans 4 x Fans run at 112 cfm (cubic feet per minute) (maximum)
    Xpander Power Up Fans are full-on for 10 seconds
    Fan Speed 77 to 122°F (25 to 50°C) in gradual, linear progression
    Normal Operation D1 LED = 1 x Pulse of 10 ms on for every 700 ms off
    Error Indication D1 LED = 4 x Pulses of 10 ms on for every 700 ms off
    Error Conditions 1: No fan tachometer
    2: No temperature sensor connected
    AC Power Supply, 4 MIBs 4 x Single-phase, auto-ranging, 100 - 240 VAC, 6.0 - 3.5 A, 50/60 Hz
    Total output power for each is not to exceed 750 W each
    Auxiliary Power Cables 2 x Sets of 6-pin + 2 x sets of 8-pin for each of 4 x power supplies
    Temperature 32 to 86°F (0 to 30°C)
    Humidity 5 to 80%, non-condensing
    Dimensions (WxHxD) 19.00 x 8.75 x 24.50" (48.26 x 22.23 x 62.23 cm)
    Weight 55.0 lb (24.9 kg)

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