WD ( Western Digital ) Blue VS Purple Hard Drive

WD Blue 2TB PC Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5' - WD20EZRZ
WD Blue 2TB PC Hard Drive - 5400 RPM Class, SATA 6...
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WD Purple 2TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD20PURX [Old Version]
WD Purple 2TB Surveillance Hard Disk Drive - 5400...
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Product prices and availability are accurate as of the 2020-04-06 at 11:38 and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

Western Digital

Blue

Everyday storage for basic personal computing needs.

1TB, 2TB, 3TB, 4TB, 5TB, 6TB

2 Year

5200-7200RPM

16MB – 64MB

SATA 6.0 Gb/s

2.5-inch & 3.5-inch

Western Digital

VS

Ideal For

Available Sizes

Limited Warranty

RPM

Cache

Interface

Form Factor

Brand

Purple

Designed for surveillance security systems.

1TB, 2TB, 3TB, 4TB, 5TB, 6TB

3 Year

5400RPM

64MB-128MB

SATA 6.0 Gb/s

3.5-inch

Western Digital

Which Hard Drive should i choose between the WD Blue and Purple ?

The Sole Purpose of the Purple Drive is to process constant write on the disk, the drive is rated for a work load of up to 180TB per year. This is mostly used on Surveillance Security System, where video is recorded 24/7. 

If you are looking for a hard drive for your computer we highly recommend you go with the Blue Drive.

How do we find the best drive for your need ? We wrote an article about it HERE !