WD Purple 6TB Surveillance HDD 3.5 inch WD60EJRX 5400RPM 64MB Cache SATA Mechanical Hard Drive for 24*7 Video Recording

Features:
Designed for monitoring storage, it has an enhanced workload rating that supports systems designed for 24x7 video recording with up to 64 cameras. 
Adopt AllFrame technology, so you can confidently create a security system tailored to the needs of your business. The AllFrame technology improves ATA streaming, helps to reduce errors, pixelation, and other video interruptions that could happen in a video recording system.
6TB large capacity, can meet the massive storage needs of 4K surveillance video and deep learning analytics.
Low power consumption, with IntelliSeekTM technology, the hard drive is able to calculate optimum seek speeds. This helps to reduce ambient noise and vibrations.
Designed for DVR and NVR security systems, support a wide range of industry-leading enclosures and chipsets, you're sure to find the DVR or NVR configuration that's right for you. 

Specification:
Brand: WD
Model: WD60EJRX 
HDD capacity: 6TB
Form factor: 3.5 inch
Interface: SATA 6GB/s
Spindle speed: 5400RPM
Cache: 64MB
Item size: 14.7 * 10.2 * 2.6cm /5.79 * 4.02 * 1.02in    

Packing list:
1 * Hard drive