Seagate 2TB 9.5mm SATA 2.5″ PS4 Compatible Internal Hard Drive

Price range: £17.99 through £78.99

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Upgraded solution for PS3, PS4 and laptop
Worlds first 2.5 inch 2 TB slim 9.5 mm Hard drive

WD Purple 4 TB Surveillance Hard Disk Drive, Intellipower 3.5 Inch SATA 6 Gb/s 64 MB Cache 5400 rpm

Price range: £36.30 through £399.99

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With IntelliSeek technology, WD Purple drives are able to calculate optimum seek speeds; this keeps power consumption low so ambient noise and vibrations are at a minimum
With a high workload rating WD Purple is designed to handle the distinct demands of contemporary video surveillance DVR and NVR systems

Bipra CCTV Camera CCTV System DVR Sata Hard Drive 7200RPM 3.5″ SATA Surveillance Storage Hard Drive (1TB)

Price range: £12.35 through £49.99

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Surveillance Storage Hard Drive
Device Type Internal 3.5″ SATA Video Integrity : Excellent, Warranty: 1 Year, Power :12v / 5v

Integral INSSD240GS625P5 P Series 5 240GB SATA III 2.5 Internal SSD, up to 560MB/s Read 540MB/s Write

Price range: £18.95 through £64.95

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[Performance boost] – enhance productivity and increase efficiency, faster Start Up and access to applications for a better computing experience
[Ultra fast speed] SATA SSD read speed up to 560MB/s write speed up to 540MB/s