VisionLC-HD is a single-channel HDMI capture card in a PCIe Gen1 x4 form factor. It captures at up to 4096x2160p (4K) at 30 Hz, with a DMA bandwidth of up to 800 MB/s. The card provides on-board colour space conversion and high‑performance up and down scaling, supporting 32/24/16‑bit RGB and 16/12‑bit YUV formats. Windows, Linux, and media frameworks (DirectShow/Media Foundation/V4L) are supported.