Home > Product > Network DVR > Video Server Spec   Model Description Video Audio Input Output Compress In/Out Put SVE100 1ch MPEG-4 25/30fps@D1 1ch     1/0 ch SVE1000A 1ch MPEG-4 25/30fps@D1 1ch 1Loopout MPEG-4, MJPEG Selectable per ch 1/1 ch SVE2000A Single Stram Model 2 ch MPEG-4 50/60fps@D1 2ch   2/1 ch Dual Stram Model 1ch 1Loopout   SVE4000A Single Stram Model 4 ch MPEG-4 100/120fps@D 1 4ch 1Quad 4/1 ch Dual Stram Model 2ch 2Loopout SVE12K-B 19 ” / 1U Aluminum Sub-rack Max 3 X 4 ch SVE Blades Support (Total 12ch) SVE40K-B 19 ” / 4U Aluminum Sub-rack Max 10 X 4 ch SVE Blades Support (Total 40 ch)