Specifications

8CH Hikvision DVR Card:DS-4008HSI
1.Real-time video and audio compression
2.4CIF preview resolution
3.Support Windows2000/XP

Note: DS-4008HSI can be set as 8 Channels QCIF/CIF/DCIF/4CIF compression resolution, not support dual encoding. One chipset compress 8 channels video image. 

Available Models

Cards are stackable to obtain 64 channels maximum 
DS4008HSI
8 channels video and audio CIF(real time)
or 8 channels video and audio 4CIF (not real time, record frame about 3 frames, and preview image will loss frame) 
or 8 channels video and audio DCIF (not realtime,record frame about 5 frames,and preview image will loss frame)

Features & Functions

Specifications

Item	Description
Video Format	PAL and NTSC
Video Input	8 Ch BNC (1.0Vp-p, 75ohm)
Audio Input	8 Ch BNC (2.0Vp-p, 1Kohm)
Preview Resolution	Resolution: 704*576(PAL),704*480(NTSC)
Video Compression	H.264, Support CBR, VBR; Frame: 25F/s(PAL),30F/s(NTSC); Output: 32kbps-1000kbps(CIF)
Compression Resolution	CIF: 352*288(PAL),352*240(NTSC); QCIF: 176*144(PAL),176*120(NTSC)
Audio Compression	OggVorbis, Sample ratio is 16KHz, Output ratio is 16kbps
Power Consumption	Less than 4.5W
Working Temperature	-10°C ~ +50°C
Working Humidity	10%~90%