![Amazon.com: Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD40EFRX : Electronics Amazon.com: Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD40EFRX : Electronics](https://m.media-amazon.com/images/I/512vg7dHZML._AC_SY350_.jpg)
Amazon.com: Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD40EFRX : Electronics
![GoHardDrive.com - Western Digital Scorpio Blue (WD3200BPVT) 320GB 8MB Cache 5400RPM SATA2 2.5" Notebook Hard Drive - w/ 1 Year Warranty GoHardDrive.com - Western Digital Scorpio Blue (WD3200BPVT) 320GB 8MB Cache 5400RPM SATA2 2.5" Notebook Hard Drive - w/ 1 Year Warranty](https://cdn3.volusion.com/ovay6.hxgv9/v/vspfiles/photos/G02-0227-2.jpg?v-cache=1354015417)
GoHardDrive.com - Western Digital Scorpio Blue (WD3200BPVT) 320GB 8MB Cache 5400RPM SATA2 2.5" Notebook Hard Drive - w/ 1 Year Warranty
![Western Digital WD Purple Surveillance HDD 1TB 2TB 3TB 4TB 6TB 8TB 10TB 12TB SATA 6.0Gb/s 3.5" Hard Drive Camera AHD DVR IP NVR|External Hard Drives| - AliExpress Western Digital WD Purple Surveillance HDD 1TB 2TB 3TB 4TB 6TB 8TB 10TB 12TB SATA 6.0Gb/s 3.5" Hard Drive Camera AHD DVR IP NVR|External Hard Drives| - AliExpress](https://ae01.alicdn.com/kf/HTB1LkrccoGF3KVjSZFvq6z_nXXaq/Western-Digital-WD-Purple-Surveillance-HDD-1TB-2TB-3TB-4TB-6TB-8TB-10TB-12TB-SATA-6.jpg_Q90.jpg_.webp)
Western Digital WD Purple Surveillance HDD 1TB 2TB 3TB 4TB 6TB 8TB 10TB 12TB SATA 6.0Gb/s 3.5" Hard Drive Camera AHD DVR IP NVR|External Hard Drives| - AliExpress
![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_SL1500_.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
![Western Digital Wd Purple Hdd 1tb 2tb 3tb 4tb Sata 6.0gb/s 3.5" Hard Drive Disk For Cctv Camera Ahd Dvr Ip Nvr - Hard Disk Drive - AliExpress Western Digital Wd Purple Hdd 1tb 2tb 3tb 4tb Sata 6.0gb/s 3.5" Hard Drive Disk For Cctv Camera Ahd Dvr Ip Nvr - Hard Disk Drive - AliExpress](https://ae01.alicdn.com/kf/H679b02e0e7694555b76367cb9171e928t/Western-Digital-WD-Purple-HDD-1TB-2TB-3TB-4TB-SATA-6-0Gb-s-3-5-Hard.jpg_Q90.jpg_.webp)
Western Digital Wd Purple Hdd 1tb 2tb 3tb 4tb Sata 6.0gb/s 3.5" Hard Drive Disk For Cctv Camera Ahd Dvr Ip Nvr - Hard Disk Drive - AliExpress
![Amazon.com: WD Purple 1TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD10PURX [Old Version] : Electronics Amazon.com: WD Purple 1TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD10PURX [Old Version] : Electronics](https://m.media-amazon.com/images/I/819Pbam+KHL._AC_SY879_.jpg)
Amazon.com: WD Purple 1TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD10PURX [Old Version] : 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 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_SX679_.jpg)