VisionHD4 is a full-size PCIe x8 Gen3 capture card offering four independent DVI-I channels for simultaneous high-definition capture. Each channel supports up to 800 MB/s bandwidth (3.2 GB/s total) with 256 MB per channel, triple buffering to minimise tearing. Interfaces cover HDMI, DVI, RGB/YPbPr via four DVI-I connectors and analogue RGB up to 4096×2048 in supported modes. Includes Vision software, Unified Vision Driver and SDK; adapters are optional. Windows and Linux drivers provided.