![What is the difference between the WD Colours – Blue, Red, Black, Green, Purple and Gold – NAS Compares What is the difference between the WD Colours – Blue, Red, Black, Green, Purple and Gold – NAS Compares](https://i.ytimg.com/vi/OBbIGtjdz8s/hqdefault.jpg)
What is the difference between the WD Colours – Blue, Red, Black, Green, Purple and Gold – NAS Compares
![Ace Peripherals Internal HDD Western Digital WD Green, Red, Black, Blue, Purple Surveillance, 500GB, 750GB, 1TB, 2TB, 3TB, 4TB, 6TB IT SHOW 2016 Price List Brochure Flyer Image Ace Peripherals Internal HDD Western Digital WD Green, Red, Black, Blue, Purple Surveillance, 500GB, 750GB, 1TB, 2TB, 3TB, 4TB, 6TB IT SHOW 2016 Price List Brochure Flyer Image](http://cdn.itfairsg.com/itshow2016/images/Ace%20Peripherals%20Internal%20HDD%20Western%20Digital%20WD%20Green%2C%20Red%2C%20Black%2C%20Blue%2C%20Purple%20Surveillance%2C%20500GB%2C%20750GB%2C%201TB%2C%202TB%2C%203TB%2C%204TB%2C%206TB.jpg)
Ace Peripherals Internal HDD Western Digital WD Green, Red, Black, Blue, Purple Surveillance, 500GB, 750GB, 1TB, 2TB, 3TB, 4TB, 6TB IT SHOW 2016 Price List Brochure Flyer Image
![Amazon.com: Western Digital 2TB WD Blue PC Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD20EZAZ: Industrial & Scientific Amazon.com: Western Digital 2TB WD Blue PC Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD20EZAZ: Industrial & Scientific](https://images-na.ssl-images-amazon.com/images/I/711h5gqoBLL._AC_SL1500_.jpg)
Amazon.com: Western Digital 2TB WD Blue PC Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD20EZAZ: Industrial & Scientific
![WD Blue vs. Black vs. Red & Purple HDD & SSD Differences (2017) | GamersNexus - Gaming PC Builds & Hardware Benchmarks WD Blue vs. Black vs. Red & Purple HDD & SSD Differences (2017) | GamersNexus - Gaming PC Builds & Hardware Benchmarks](https://www.gamersnexus.net/media/k2/items/cache/c1b56a7f5d1f8c741c11579a413c9ba6_XL.jpg)