Connections -
HD/SD-SDI input x1
HD/SD-SDI output x1
HD/SD-SDI loop-through output x1
HDMI output x1
FireWire output x1
XLR input x2 (balanced stereo, ch. 1 left / ch. 2 right)
RS-422/232 x1
GPI x1

Recording Formats -
Video :
SD - 5Mbps-15Mbps, IBP, 4:2:0 color sampling
SD - 50Mbps, IBP, 4:2:2 color sampling
HD - 20Mbps-60Mps, IBP, 4:2:0 color sampling
HD - 100Mbps, I-frame, 4:2:2 color sampling (1080i only)
M2T recording format (compatible with Avid and Premiere, and converts to ProRes for Final Cut)

Audio :
MPEG-I layer 2
Sampling rate - 48kHz
Bit-rate - 384Kbps

Power : DC 12V 3A
Rack Height : 1U half-rack, 48 cm standard rack mount size (19")

Power Adapter and Cable
2 x 6cm HDD/SSD Enclosure
320GB Hard Drive (HDD)
0.45m Y-Type USB Cable
Datavideo HDR-55 Manual