![WD Blue 4TB Internal Hard Drive Disk 3.5" 5400 RPM 64M Cache SATA III 6Gb/s 4T 4000GB HDD HD Harddisk for Desktop Computer - AliExpress WD Blue 4TB Internal Hard Drive Disk 3.5" 5400 RPM 64M Cache SATA III 6Gb/s 4T 4000GB HDD HD Harddisk for Desktop Computer - AliExpress](https://ae01.alicdn.com/kf/HTB1962MRQvoK1RjSZPfq6xPKFXaa/WD-Blue-4TB-Internal-Hard-Drive-Disk-3-5-5400-RPM-64M-Cache-SATA-III-6Gb.jpg)
WD Blue 4TB Internal Hard Drive Disk 3.5" 5400 RPM 64M Cache SATA III 6Gb/s 4T 4000GB HDD HD Harddisk for Desktop Computer - AliExpress
![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
![Seagate Barracuda Pro ST4000DM006 4 TB 3.5" Internal Hard Disk Drive (HDD) SATA III 6.0Gb/s 7200 RPM 128 MB | Fast Server Corp. www.srvfast.com Seagate Barracuda Pro ST4000DM006 4 TB 3.5" Internal Hard Disk Drive (HDD) SATA III 6.0Gb/s 7200 RPM 128 MB | Fast Server Corp. www.srvfast.com](https://www.srvfast.com/media/catalog/product/cache/73f179befb2b664ec3794b7759101d79/s/t/st4000dm006-pf1.jpg)
Seagate Barracuda Pro ST4000DM006 4 TB 3.5" Internal Hard Disk Drive (HDD) SATA III 6.0Gb/s 7200 RPM 128 MB | Fast Server Corp. www.srvfast.com
![Seagate SkyHawk 4TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST4000VX007) Seagate SkyHawk 4TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST4000VX007)](https://amcrest.com/media/catalog/product/cache/9b35a097e336151214b669c0ac2cd5a5/h/d/hdd4tb-st_2_1.jpg)
Seagate SkyHawk 4TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST4000VX007)
![Amazon.com: Seagate Enterprise 4TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM, 256MB Cache (ST4000NM004C) : Electronics Amazon.com: Seagate Enterprise 4TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM, 256MB Cache (ST4000NM004C) : Electronics](https://m.media-amazon.com/images/I/81lf45BvHdL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Seagate Enterprise 4TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM, 256MB Cache (ST4000NM004C) : Electronics
![Western Digital WD Blue 4TB 3.5" Hard Drive Disk HDD SATA III 256MB Cache 5400 RPM 4TB Harddisk for Desktop PC Computer Original - AliExpress Western Digital WD Blue 4TB 3.5" Hard Drive Disk HDD SATA III 256MB Cache 5400 RPM 4TB Harddisk for Desktop PC Computer Original - AliExpress](https://ae01.alicdn.com/kf/S0ab69a2ba6574e1a8eeda2b19215214fY.jpg_640x640Q90.jpg_.webp)