... use cable).Watch dog. ATX big board, strictly quality control in production line and strictly aging tested ... , support 40 channel audio& video collecting and I/O, suit well of demand for Surveillance Markets. 4 ... DDR2, PCI-E, SATA etc. For this board, the quality is good, price is cheap, ... weather, humidity , static, 365 days. 8. This board use 3 phase power supply design, totally enclosed inductor, ...