![Amazon.com: White Label WL 4TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive (for Server, RAID, NAS, DVR, Desktop PC) w/1 Year Warranty : Electronics Amazon.com: White Label WL 4TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive (for Server, RAID, NAS, DVR, Desktop PC) w/1 Year Warranty : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61B1csAp3oL._AC_UF894,1000_QL80_.jpg)
Amazon.com: White Label WL 4TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive (for Server, RAID, NAS, DVR, Desktop PC) w/1 Year Warranty : Electronics
![Wd Purple Surveillance 4tb Hard Drive Disk Sata Iii 64m 3.5" Hdd Hd Harddisk For Security System Video Recorder Dvr Nvr Cctv - Hard Disk Drive - AliExpress Wd Purple Surveillance 4tb Hard Drive Disk Sata Iii 64m 3.5" Hdd Hd Harddisk For Security System Video Recorder Dvr Nvr Cctv - Hard Disk Drive - AliExpress](https://ae01.alicdn.com/kf/HLB1eiuRnnZmx1VjSZFGq6yx2XXaD/WD-PURPLE-Surveillance-4TB-Hard-Drive-Disk-SATA-III-64M-3-5-HDD-HD-Harddisk-For.jpg)
Wd Purple Surveillance 4tb Hard Drive Disk Sata Iii 64m 3.5" Hdd Hd Harddisk For Security System Video Recorder Dvr Nvr Cctv - Hard Disk Drive - AliExpress
![Seagate Brand 4tb Desktop Pc 3.5" Internal Mechanical Hard Disk Sata 6gb/s Hdd 7200 Rpm 128mb Buffer Internal Hard Drives - Hard Disk Drive - AliExpress Seagate Brand 4tb Desktop Pc 3.5" Internal Mechanical Hard Disk Sata 6gb/s Hdd 7200 Rpm 128mb Buffer Internal Hard Drives - Hard Disk Drive - AliExpress](https://ae01.alicdn.com/kf/H8cefe735c11a44bf86b0572ccc84bbfeJ/Seagate-Brand-4TB-Desktop-PC-3-5-Internal-Mechanical-Hard-disk-SATA-6Gb-s-HDD-7200.jpg_Q90.jpg_.webp)
Seagate Brand 4tb Desktop Pc 3.5" Internal Mechanical Hard Disk Sata 6gb/s Hdd 7200 Rpm 128mb Buffer Internal Hard Drives - Hard Disk Drive - AliExpress
![Seagate BarraCuda, 4TB, Internal Hard Drive, 3.5 Inch, SATA, 6GB/s, 5,400 RPM, 256MB Cache, for Computer Desktop PC, FFP (ST4000DMZ04) : Amazon.co.uk: Computers & Accessories Seagate BarraCuda, 4TB, Internal Hard Drive, 3.5 Inch, SATA, 6GB/s, 5,400 RPM, 256MB Cache, for Computer Desktop PC, FFP (ST4000DMZ04) : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71ijXHv0jHL._AC_SL1500_.jpg)