> VisionHD4


Eight lane PCI Express capture card

Net 3.2 GB/s total capture bandwidth

Quad channel DVI-I video capture card


Capture four DVI-I High Definition DVI streams in a single capture card.

The VisionHD4 is an eight lane PCI Express capture card with four independent video capture channels, supporting HD capture.

This video capture card provides a high performance high density video capture solution for control room, medical and other applications that require high capture bandwidth. The quad HD capture capability in combination with Datapath's multi stream and synchronisation features enables resolutions up to 4096x2048 and Quad HD solutions.

The VisionHD4 captures all four HD video channels simultaneously and triple buffers them into onboard storage for tear free video, alongside embedded HDMI audio streams can also be captured from each channel.

This full length video capture card has four capture processors, each providing 800 MB/s bandwidth.

For application case studies using this capture card:

Highway control relies on video capture and graphics technology (Malaysia)
Video capture and graphics technology riding on the Prasara Rapid Bus (Kuala Lumpur)

Key Qualities of the VisionHD4 Capture Card:

General Capture Card Features:

  • Eight Lane PCI Express Gen.3 bus
  • 3.2 GB/s total capture bandwidth in four PCIe lanes Gen.3 or 8 lanes Gen. 2
  • Frame buffer memory 4x256 MB
  • Datapath unified Windows and Linux driver support
  • HDCP supported when used with Datapath graphics cards

Quad DVI-I Capture Channel:

  • Max resolution up to 4096x2048, at 165 MHz Pixel Clock (Digital modes) or 170 Msps in analogue modes
  • HDMI audio capture with streaming from each DVI Channel
  • ~800 MB/s bandwidth per capture processor, 3.2 GB/s for the card


Specification of the VisionHD4 Capture Card:

Board Format Full size 8 lane PCIe 3-0 interface, 111mm x 312mm (H x L)
Two DMS59 high density video connectors
Maximum Sample Rate
170 Mpixels per second analogue RGB or 165 MHz DVI
Analogue modes up to 340 MHz pixel clock can be captured using dual-pass sampling
Maximum Data Rate
~800 MB/s bandwidth per capture processor, 3.2 GB/s for the card
Video Sampling
RGB: 24 bits per pixel/ 8-8-8 format
Video Capture Memory
256 MB per capture channel, triple buffered
Analogue RGB Mode Support
640x480, 800x600, 1024x768, 1280x1024, 1600x1200, 1920x1080, 1920x1200 and custom modes
DVI Single-Link Mode Support
640x480, 800x600, 1024x768, 1280x1024, 1600x1200, 1920x1080, 1920x1200 and custom modes
HD Modes
1080p, 1080i, 720p, 576p, 480p and 480i suing a Component-DVI connector.
For HDCP support contact the sales department for more information
Input Modes Detection
Direct DMA to physical or virtual memory buffers with full scatter-gather support
DMA bandwidth: up to 800MB/s
16 independent DMA streams: Any mix of HD and SD sources, colour space, cropping and scaling parameters
Pixel Transfer Formats RGB: 5-5-5, 5-6-5 or 8-8-8 (24 bit, 32 bit) pixels
YUV: 16 bit (4:2:2)
MONO: 8 bit
Update Rate User defined, capture frame rate will match the source providing max data rate (800MB/s) is not exceeded.
Multi-buffered to eliminate tearing artifacts
Video Format Options

Analogue RGB plus HSync and VSync (5 wire)
Analogue RGB with Composite Sync (4 wire)
Analogue RGB with sink on Green/ YPbPr (3 wire)DVI Single Link, HDMI 1.3

Operating system support Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows Server 2012, Windows 7, Windows 8 and Linux support (NOTE: Check Linux specific features with Sales)
Power Requirements Max current at 1.9A @ 12V
Max current at 2.5A @ 3.3A
Max power 31 Watts
Operating Temperature 0 to 35 °C/ 32 to 96 °F
Storage Temperature -20 to 70 °C/ -4 to 158 °F
Relative Humidity 5% to 90% non-condensing
Warranty 3 years


We are continuously developing the technology used within our product ranges delivering outstanding innovative solutions, therefore the specification may change from time to time.

Models Available of the VisionHD4 Capture Card:

ProductName/Order Code Description
VisionHD4 4 channel DVI/ RGB/ HD capture card PLUS 2 DVI splitter cables*

* Adapters for other types of video connectors such as DVI/HDMI, DVI/VGA or DVI/Component are not included with the VisionHD4 but are available from Datapath, contact our sales team for details.


Your packing box should contain the following items:

  • A VisionHD4 video capture card
  • 2 x DVI splitter cables
  • Installation CD-ROM


VisionHD4 video capture card accessories

ProductName/Order Code Description
DVI/ VGA DVI-A to VGA adapter
DVI/ HDMI DVI to HDMI adapter

All products are shipped with the latest software available, unless stated otherwise. Special requirements may be organised by contacting our Sales team.

Where to buy

Datapath has a large network of distributors and resellers across the World.


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