SpecificationsSpecifications

GV-1240BGV-1240B x 2
InterfacePCI-E (x4)PCI-E (x4) x 2
Input TypeDVI
Video Input16 Cams32 Cams
Audio Input16 Channels32 Channels
Recording RateCIFNTSC240 fps480 fps
PAL200 fps400 fps
D1NTSC240 fps480 fps
PAL200 fps400 fps
Display RateCIFNTSC480 fps960 fps
PAL400 fps800 fps
D1NTSC480 fps960 fps
PAL400 fps800 fps
Video ResolutionNTSC704x480, 704x480 De‐interlace,
640x480, 640x480 De‐interlace, 352x240, 320x240
PAL704x576, 704x576 De‐interlace, 
640x480, 640x480 De‐interlace, 352x288, 320x240
Video Compression FormatGeo MPEG4, Geo H264
Audio Compression FormatAAC (16 kHz / 16 bit, 32 kHz / 16 bit)
GV-Multi Quad Card SupportYes
GV-Loop Through Card SupportYes
GV-NET/IO Card SupportYes
Dimensions (W x H)156 x 111 mm / 6.14 x 4.37 in
Installation GuideGV-1240B

Note: 
1. GV-1240B does not support the TV-Out function. 
2. GV-1240B is currently not compatible with VIA series and ATI series chipset motherboards. 
3. Specifications are subject to change without notice.

Minimum System Requirements For One Card
OS Supported32-bitWindows XP / Windows Vista / Windows 7 / Windows Server 2008
64-bitWindows 7 / Windows Server 2008 R2
CPUPentium 4, 3.0 GHz, Dual Core
RAMWindows XP: 2 x 512 MB Dual Channels
Windows Vista / 7 / Server 2008: 2 x 1 GB Dual Channels
HDD120 GB
Graphic CardAGP or PCI-Express, 800 x 600 (1280 x 1024 recommended),
32-bit color
DirectX9.0c
Minimum System Requirements For Two Cards
OS Supported32-bitWindows XP / Windows Vista / Windows 7 / Windows Server 2008
64-bitWindows 7 / Windows Server 2008 R2
CPUCore 2 Duo, 3.0 GHz
RAM2 x 1 GB Dual Channels
HDD250 GB
Graphic CardAGP or PCI-Express, 800 x 600 (1280 x 1024 recommended),
32-bit color
DirectX9.0c


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  • Customers are responsible to check product compatibility issue. If you have questions about product please feel free to contact us.

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  • Non-defective returned product subject to a 20% restocking fee.

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