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VHDCI (Very High Density Cable Interconnect)

Contributor(s): Matthew Haughn

Very High Density Cable Interconnect (VHDCI) is a compact 68-contact multipurpose connection type.

VHDCI is optimized for applications that require high-performance but have space limitations. The technology is most commonly used in SCSI-3 attached hard drives, which was the purpose it was originally designed for. VHDCI is also used in RAIDs, SANs, and other storage arrays.

As a SCSI connector, VHDCI supports data rates up to 80 gigabits per second (Gbps). The connector is fully shielded for ESD/EMI protection.

VHDCI can function as a multi-monitor connector, each supporting two DVI connections for display.  Despite having many contact pins, VHDCI’s smaller size makes it possible to fit four connectors on a PCIe back-plate. That capacity enables support of up to eight monitors on a single graphics card. Performing as an external eight-lane PCIe, VHDCI can connect other devices and systems, as seen in Nvidia Quadroplex video processing arrays. 

This was last updated in September 2013

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