... D x 9.0C. Support DDRII800/667 dual channel memory, up to 4GB Provide 1*PCI-Express ... , Special for Surveillance Markets. Realtek ALC653 6 sound channel, AC97 audio chip. Realtek RTL8100C Network chip, support ... E and 1~2 PCS COM, support 40 channel audio& video collecting and I/O, suit well of ... markets. 2. Integrated many kinds of Video Card , support 40 channel of video collect, provide 4*SATA+1*IDE, ...