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PCI Express to 4 Slot PCI Expansion System

Product ID: PEX2PCI4

Add four external PCI expansion card slots to a desktop computer

  • Add an additional 4 PCI slots (32-bit/33 MHz), using PCI Express

  • Rugged steel construction

  • Supports both 5V and 3.3V/5V add-in PCI cards

More Features . . .
  • Self-powered Expansion box with an on/off button

  • No driver or software installation

  • PCI Express adapter card includes both Full/Low Profile installation brackets

Prices may be lower from Resellers:



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Available in
$499.99 USD


In stock: ?
USA: 23  |  Canada: 12

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

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Volume Order? Request a quote's innovative PCI Express to PCI Expansion Chassis provides a quick and simple solution to I/O expandability on almost any PCI Express (PCIe) enabled system. Adding external PCI slots to a server/workstation or laptop, this cost-effective and time-saving method of simply adding additional PCI cards to a server/workstation or providing a platform to be able to swap PCI add-in cards between a mobile and desktop setup is the optimal method of maximizing the I/O capabilities of new or existing systems.

The external expansion chassis adds four PCI slots (32-bit/33MHz) to the host computer system, through a single PCI Express connection. Providing total bandwidth of up to 250MBps from the x1 PCIe host controller card, which allows the host computer to function as though the cards in the expansion chassis were connected directly to the motherboard.

A dependable I/O expansion solution, the Expansion Chassis is backed by's 2-year warranty and free lifetime technical support.

The Advantage
  • Convert a single PCI Express slot to four additional external PCI slots without any driver or software installation required
  • External expansion enclosure simplifies swapping PCI cards, without ever having to move or take apart the main desktop/server
  • Backed by a 2-year warranty and free lifetime technical support
Common Customer Questions

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Supports any operating system.
No additional drivers or software required.

  • Expand an existing system's I/O capabilities without having to purchase an entirely new system.
  • Ideal for system testers, and engineers who may need to regularly swap out I/O cards.
  • Add full height cards to a small form factor system.
  • Provide PCI support to systems with only PCIe slots.
  • Provide data acquisition, telephony, storage and audio capabilities by having additional I/O expansion slots.
Product Numbers
Warranty Information
Warranty 2 Years
Bus Type PCI Express
Interface PCI / PCI-X (5 / 3.3V)
MTBF 143,947 Hours
Connector Type(s) 1 - PCI Express x1 Male
External Ports 4 - PCI / PCI-X (Universal 3.3 & 5V, 32-bit) Slot Female
OS Compatibility OS Independent; No additional drivers or software required
Special Notes / Requirements
Note - Supports 32-bit PCI cards less than 6.7” in length; 64-bit PCI 12.28” cards (full-length) are not supported
- Cards may not function properly if their total power consumption exceeds the maximum of 36W
- This product has a known compatibility issue with Silicon Image SATA Controllers on an AMD platform
Input Voltage 110V-240V AC
Output Current 3A
Output Voltage 12 DC
Power Consumption (In Watts) 36
Power Source AC Adapter Included
Operating Temperature 0°C ~ 55°C
Storage Temperature -40°C ~ 75°C
Physical Characteristics
Color Black
Enclosure Type Aluminum and Steel
Product Height 5.6 in [142 mm]
Product Length 8 in [204 mm]
Product Weight 5.2 lb [2.4 kg]
Product Width 5.4 in [137 mm]
Packaging Information
Shipping (Package) Weight 5.3 lb [2.4 kg]
What's in the Box
Included in Package 1 - PCI Expansion box
1 - PCI Express Card
1 - 3ft DVI Cable
1 - Low Profile Bracket
1 - Screw Kit
1 - Power Cable
1 - Universal power adapter: comes ready for NA/EU/UK only when you buy in NA/EU/UK; comes ready for Australia and New Zealand only when you buy in Australia and New Zealand
1 - Installation CD
1 - Instruction Manual
Internal Length 6.7 in [170.2 mm]

Serial Cards & Adapters (1)

1 Port PCI RS232 Serial Adapter Card w/ 16950 UART - Dual Voltage

1 Port PCI RS232 Serial Adapter Card w/ 16950 UART - Dual Voltage

Add an RS232 Serial port through a PCI expansion slot

DVI Cables (3)

Single Link DVI-D Cable - M/M

10 ft DVI-D Single Link Cable - M/M

Provide a high-speed, crystal-clear connection to your DVI digital devices

Single Link DVI-D Cable - M/M

15 ft DVI-D Single Link Cable - M/M

Provide a high speed, crystal clear connection between your DVI digital devices

Single Link DVI-D Cable - M/M

20 ft DVI-D Single Link Cable - M/M

Provide a high-speed, crystal-clear connection to your DVI digital devices, with a long 20-foot cable

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PCI Express to 4 Slot PCI Expansion System - PCI Express to 4 Slot PCI Expansion System

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