Amcrest5MP UltraHD 8 Channel DVR Security Camera System Recorder, 5MP Security DVR for Analog Security Cameras, Remote Smartphone Access, HDD & Cameras NOT Included (AMDV5M8)

Amcrest 5MP UltraHD 8 Channel DVR Security Camera System Recorder, 5MP Security DVR for Analog Security Cameras, Remote Smartphone Access, HDD & Cameras NOT Included (AMDV5M8)

Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ

Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20PURZ