MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) - Mechanical Hard Disk Drive with 2 Year Warranty

MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5in Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) - w/ 2 Year Warranty, Mechanical Hard Disk

MaxDigitalData 2TB 32MB Cache 7200PM SATA 3.0Gb/s 3.5inch Internal Surveillance CCTV DVR Hard Drive (MD2000GSA3272DVR) (Renewed)

ANNKE 3K Lite H.265+ Security DVR Recorder with AI Human/Vehicle Detection, 8CH Hybrid 5-in-1 CCTV DVR for Surveillance Camera, Supports 8CH Analog and 2CH IP Cameras, Remote Access (No Hard Drive)