The AJA Io X3 is a portable multi-channel 2K/HD/SD video I/O interface for Thunderbolt 3, designed for capture, output, monitoring, and real-time production workflows. It supports up to 60p HD/2K, 4 bidirectional 3G-SDI BNC ports (configurable as inputs/outputs), HDMI I/O, extensive embedded and analog audio via DB-25, HDR support (PQ, HLG, HDR10, Dolby Vision), two Thunderbolt 3 ports with loop-through (compatible with Thunderbolt 4/5), RS-422, LTC I/O, reference input, and headphone output. It is suitable for editing, streaming, and multi-channel production.