This is a very stable and widely compatible 4 channel DVR card that has REAL TIME display and REAL TIME recording.

 

 

OS Support:  Windows 2000 / Windows XP
Motherboard:  Intel Pentium IV 2.0GHz or above
CPU:  Intel 845 or 865 Chip, Intel Chipset recommended
VGA: ATi Radeon 9200 64MB or Nvidia
          GeForce FX   5200 64MB above     
RAM:  256MB or above
Ethernet Card:  10/100M Ethernet card
HDD:  80GB HDD or above for long time
           recording is recommended
DirectX:  Minimal Microscft DirectX 9.0c or higher version