Hikvision DS-7204HQHI-F1/N 4-Channel 720/1080p HD-TVI Hybrid Digital Video Recorder - Black

Hikvision DS-7204HQHI-F1/N 4 Channel 720/1080p HD-TVI Hybrid Digital Video Recorder - Black

Western Digital Purple 4TB Surveillance 3.5 Inch SATA 6 Gb/s Hard Disk Drive with Allframe 4K Technology - 180TB/yr, 64MB Cache, 5400rpm - WD40PURZ

WD Purple WD22PURZ - Hard drive - 2 TB - internal - 3.5" - SATA 6Gb/s - buffer: 256 MB