The GV-Tower NVR System V2 comes with 4 hot-swap drive bays for the storage up to 24 TB. This system has two CPU options: Intel Core i3 and i5. It features the latest upgraded NVR system and 64-bit Microsoft Windows Embedded OS. GV-Tower NVR System V2 supports up to 32 channels of GV-IP devices or third-party IP devices (license required). You can also bring the surveillance on the HDTV with a HDMI cable. It is a towering, affordable, and efficient NVR system that you have ever seen.