I currently have a Dell T110 II with 4 GB of Ram, (2) 2 TB WD Red Hdds (no raid), and an Intel Xeon 1230 V2 (Ivy Bridge Xeon 4 core w/HT).
I am running 13 ACTi cameras on the NVR 3 software. Most are 3-5 MP. 80% record constantly during the day at a lower FPS (10 or lower) and higher FPS (15...