Quote spec in 2016!

Software of the central unit
Server of the central unit
Pentium iv 1.7G CPU or above, 256M RAM
80G Hard disk or abResolution of monitor (2monitors are required for dual-screen central monitoring system software):
1280x1024, 75hz non-interlaced-scanning
40X CD-Rom or above
Network adapter
Video card: supporting the resolution of 1280x1024;2
Video outs are required fir 2 screens
Switch or hub (optional)
Printer
Watchdog
Acoustic box
Wireless receiver (connect to wireless monitor)
UPS (optional)