Input Type DVI : DVI x 2 (one for 16 video, one for 16 audio)
D-Type: DB15 x 2 (for video) ; DB9 x 2 (extension card for audio) 
Video Input(s): 16 Cams
Audio Input(s): 16 Channels
TV Output: RCA Connector x 1
Recording Rate At 320 X 240 Resolution: 480 fps (NTSC), 400 fps (PAL)
Display Rate: 480 fps (NTSC), 400 fps (PAL)
Video Resolution - NTSC/PAL Full D1, Half D1, CIF
Compression Format: Geo MPEG4, Geo MPEG4 (ASP), Geo H264, Geo H264 V2
GV-NET Card Support: Yes
GV-NET/IO Card Support: Yes
GV-Hybrid DVR Card Support: Yes
Dimensions
DVI: 165 (W) x 95 (H) mm
D-Type: 170 (W) x 95 (H) mm
D-Type PCI Express: 212 (W) x 99 (H) mm
Note: GV-1480 is currently not compatible with VIA series and ATI series chipset motherboards

System Requirements
OS Supported: Windows 2000 / Windows XP / Windows Server 2003 / Windows Vista
CPU: Pentium 4-3.0GHz with Hyper-threading or above
RAM: 2 x 512 MB dual channel
HDD: 250 GB or above (recommended)
VGA: ATI Radeon 9550 or above NVIDIA 6200 or above
DirectX: 9.0 or above