Video input:16 channel Audio Input(s):4 Channel Recording Rate:120 fps (NTSC), 100fps (PAL) D-Type (PCI-E)Installing Two card

Specification
Input Type	D-Type: DB15 x 2
Video Input(s)	4, 8, 12, 16 Cams
Audio Input(s)	4 Channels ,  is optional
Recording Rate	120 fps (NTSC), 100 fps (PAL).
Display Rate	120 fps (NTSC), 100 fps (PAL).
Video Resolution	NTSC: 720x480, 720x480 de-interlace, 720 x 240, 640 x 480, 640 x 480 de-interlace, 640 x 240, 320 x 240
	PAL: 720 x 576, 720 x 576 de-interlace, 720 x 288, 640 x 480, 640 x 480 de-interlace, 640 x 240, 320 x 240
Compression Format	Wavelet, MPEG-4, GEOMPEG4
GV-DSP Support	YES
GV-A16 Support	YES
GV-NET/IO Card Support	YES
Software	V8.5
Dimension
NOTE: GV-800S is currently not compatible with via series chipset motherboard.
System Requirements
OS Supported	Windows 2000 / Windows XP / Windows 2003/Win7 32bits/64bits
CPU	Pentium 4 - 2.0 GHZ
RAM	256MB Minimum
HDD	80GB Recommended
VGA	NVIDIA Geforce2 MX200 32MB
DirectX	9.0 or above

GV800 V8.5 installing 2 cards support 32 channel