The Blackmagic DeckLink Duo 2 Mini is a PCIe card with four bidirectional BNC SDI inputs/outputs. The Decklink Duo 2 Mini features 4-independent mini 3G-SDI connections, multi-channel PCI Express capture, and a playback card that supports all SD and HD formats up to 1080p60. You get the flexibility of 4 separate capture or playback cards in one. The Duo 2 Mini supports software applications such as DaVinci Resolve, Adobe PremierePro CC, Adobe Photoshop CC, Avid Pro Tools, Fusion, Avid Media Composer, Steinberg Cubase, Final Cut Pro X, Adobe After Effects CC, and Steinberg Nuendo. It is compatible with Mac, Windows 7, and Linux operating systems.