![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/bq2zk1REinY/maxresdefault.jpg)
What is the difference between the WD Colours – Blue, Red, Black, Green, Purple and Gold – NAS Compares
![Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ](https://m.media-amazon.com/images/I/8129qkSiKTL.jpg)
Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ
![Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX](https://m.media-amazon.com/images/I/710aEelzoRL._AC_UF894,1000_QL80_.jpg)
Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX
![Western Digital Purple 8 Тб Sata-iii Wd82purx Hard Drive Hdd Nas Storage Internal Ssd Hards Drives For Laptop Disk For Computer - Hard Disk Drive - AliExpress Western Digital Purple 8 Тб Sata-iii Wd82purx Hard Drive Hdd Nas Storage Internal Ssd Hards Drives For Laptop Disk For Computer - Hard Disk Drive - AliExpress](https://ae01.alicdn.com/kf/H385583c7a986447dab28be8d7c839326c/Western-Digital-Purple-8-SATA-III-WD82PURX-Hard-Drive-HDD-Nas-storage-internal-ssd-hards-drives.jpeg_Q90.jpeg_.webp)