DeckLink Duo 2 Mini is a low-profile PCIe capture/playback card with four independent 3G‑SDI mini‑DIN ports, each configurable as input or output for SD and HD formats up to 1080p60. It carries 16 embedded audio channels, supports Tri‑Sync/Black Burst, HDR metadata, and hardware color space conversion with up/down/cross‑conversion. Included software and drivers cover macOS, Windows and Linux for multi-channel play-out or capture workflows.