Blackmagic Design DeckLink Studio 4K Capture & Playback Card 6G-SDI Input/Output - 4K HDMI Input/Output PCIe Interface - Supports SD, HD, 2K, and 4K Formats UHD / DCI 4K 4:2:2 via 6G-SDI or HDMI -1080p 4:4:4 by Single-Link 3G-SDI Analog I/O via Breakout Cable -Genlock, RS-422, SD/HD Keyer Mac OS X, Windows, and Linux Compatbile