![Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD42PURZ : Electronics Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD42PURZ : Electronics](https://m.media-amazon.com/images/I/71KGby9PZkL.jpg)
Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD42PURZ : Electronics
![Western Digital Blue (7200RPM, 3.5", SATA III, 64MB Cache) 1TB Internal Enterprise Drive - WD10EZEX for sale online | eBay Western Digital Blue (7200RPM, 3.5", SATA III, 64MB Cache) 1TB Internal Enterprise Drive - WD10EZEX for sale online | eBay](https://i.ebayimg.com/images/g/fdgAAOSwt6tj7z4i/s-l1600.jpg)
Western Digital Blue (7200RPM, 3.5", SATA III, 64MB Cache) 1TB Internal Enterprise Drive - WD10EZEX for sale online | eBay
![Amazon.com: Western Digital(WD) BLUE Deskptop 1TB( 1Terabyte) 3.5"Hard Disk Drive, 5400~7200RPM, SATA3 ( 6.0GB/s), 64MB Cache, IDEAL for PC/Mac/CCTV/NAS/DVR/Raid and SATA Applications, 1YR Warranty (Blue) : Electronics Amazon.com: Western Digital(WD) BLUE Deskptop 1TB( 1Terabyte) 3.5"Hard Disk Drive, 5400~7200RPM, SATA3 ( 6.0GB/s), 64MB Cache, IDEAL for PC/Mac/CCTV/NAS/DVR/Raid and SATA Applications, 1YR Warranty (Blue) : Electronics](https://m.media-amazon.com/images/I/71c5R4QQ6nL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Western Digital(WD) BLUE Deskptop 1TB( 1Terabyte) 3.5"Hard Disk Drive, 5400~7200RPM, SATA3 ( 6.0GB/s), 64MB Cache, IDEAL for PC/Mac/CCTV/NAS/DVR/Raid and SATA Applications, 1YR Warranty (Blue) : Electronics
![Amazon.com: WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX : Electronics Amazon.com: WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX : Electronics](https://m.media-amazon.com/images/I/815FxqvNQzL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX : Electronics
![Western Digital Hard Drive 4tb | Western Digital Blue 4tb | Wd 4tb Laptop Hard Drive - Portable Hard Drives - Aliexpress Western Digital Hard Drive 4tb | Western Digital Blue 4tb | Wd 4tb Laptop Hard Drive - Portable Hard Drives - Aliexpress](https://ae01.alicdn.com/kf/S6f11ea6d714f4b8883b02c3691344e65F/Western-Digital-WD-Blue-1TB-2TB-4TB-2-5-SATA-III-Internal-Hard-Drive-5400-RPM.jpg_960x960.jpg)