![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
![TOSHIBA 1TB Video Surveillance Hard Drive Disk DVR NVR CCTV Monitor HDD HD Internal SATA III 6Gb/s 5700RPM 32MB 3.5" harddisk - AliExpress TOSHIBA 1TB Video Surveillance Hard Drive Disk DVR NVR CCTV Monitor HDD HD Internal SATA III 6Gb/s 5700RPM 32MB 3.5" harddisk - AliExpress](https://ae01.alicdn.com/kf/HLB1HwH6RPTpK1RjSZKPq6y3UpXaQ/TOSHIBA-1TB-Video-Surveillance-Hard-Drive-Disk-DVR-NVR-CCTV-Monitor-HDD-HD-Internal-SATA-III.jpg)
TOSHIBA 1TB Video Surveillance Hard Drive Disk DVR NVR CCTV Monitor HDD HD Internal SATA III 6Gb/s 5700RPM 32MB 3.5" harddisk - AliExpress
![Amazon.com: SEAGATE Pipeline HD 500GB 5900RPM 8MB Cache SATA 3.0Gb/s 3.5in Internal Hard Drive - ST3500312CS (for Surveillance System, CCTV DVR) - 3 Year Warranty (Renewed) : Electronics Amazon.com: SEAGATE Pipeline HD 500GB 5900RPM 8MB Cache SATA 3.0Gb/s 3.5in Internal Hard Drive - ST3500312CS (for Surveillance System, CCTV DVR) - 3 Year Warranty (Renewed) : Electronics](https://m.media-amazon.com/images/I/610huQ3YlcS.jpg)
Amazon.com: SEAGATE Pipeline HD 500GB 5900RPM 8MB Cache SATA 3.0Gb/s 3.5in Internal Hard Drive - ST3500312CS (for Surveillance System, CCTV DVR) - 3 Year Warranty (Renewed) : Electronics
![WL 2 Terabyte (2TB) 64MB Cache 7200RPM SATA III (6.0Gb/s) 3.5" Internal Destkop Hard Drive (PC/Mac/CCTV DVR)- w/ 1 Year Warranty - Newegg.com WL 2 Terabyte (2TB) 64MB Cache 7200RPM SATA III (6.0Gb/s) 3.5" Internal Destkop Hard Drive (PC/Mac/CCTV DVR)- w/ 1 Year Warranty - Newegg.com](https://c1.neweggimages.com/productimage/nb640/A5AD_13092194311343517499otMi5z8C.jpg)
WL 2 Terabyte (2TB) 64MB Cache 7200RPM SATA III (6.0Gb/s) 3.5" Internal Destkop Hard Drive (PC/Mac/CCTV DVR)- w/ 1 Year Warranty - Newegg.com
![Amazon.com: MaxDigitalData 2TB 32MB Cache 7200PM SATA 3.0Gb/s 3.5in Internal Surveillance CCTV DVR Hard Drive (MD2000GSA3272DVR) - w/ 2 Year Warranty, Mechanical Hard Disk : Electronics Amazon.com: MaxDigitalData 2TB 32MB Cache 7200PM SATA 3.0Gb/s 3.5in Internal Surveillance CCTV DVR Hard Drive (MD2000GSA3272DVR) - w/ 2 Year Warranty, Mechanical Hard Disk : Electronics](https://m.media-amazon.com/images/I/61Wufntsi7L._AC_UF894,1000_QL80_.jpg)
Amazon.com: MaxDigitalData 2TB 32MB Cache 7200PM SATA 3.0Gb/s 3.5in Internal Surveillance CCTV DVR Hard Drive (MD2000GSA3272DVR) - w/ 2 Year Warranty, Mechanical Hard Disk : Electronics
![Amazon.com: MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) - w/ 2 Year Warranty (Renewed) : Electronics Amazon.com: MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) - w/ 2 Year Warranty (Renewed) : Electronics](https://m.media-amazon.com/images/I/61Wb5d4-XqL.jpg)
Amazon.com: MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) - w/ 2 Year Warranty (Renewed) : Electronics
![Source PURPLE Surveillance 4TB Hard Drive Disk SATA III 64M 3.5" HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV on m.alibaba.com Source PURPLE Surveillance 4TB Hard Drive Disk SATA III 64M 3.5" HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV on m.alibaba.com](https://s.alicdn.com/@sc04/kf/H8d25b642fefe49acb05326f174314b68w.png)
Source PURPLE Surveillance 4TB Hard Drive Disk SATA III 64M 3.5" HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV on m.alibaba.com
![Seagate SkyHawk 6TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST6000VX0023) Seagate SkyHawk 6TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST6000VX0023)](https://amcrest.com/media/catalog/product//h/d/hdd6tb-st_2_1_1.jpg)
Seagate SkyHawk 6TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST6000VX0023)
![WD PURPLE Surveillance 2TB Hard Drive Disk SATA III 3.5" 64M HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV - AliExpress WD PURPLE Surveillance 2TB Hard Drive Disk SATA III 3.5" 64M HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV - AliExpress](https://ae01.alicdn.com/kf/HLB1VG1kUcbpK1RjSZFyq6x_qFXaA/WD-PURPLE-Surveillance-2TB-Hard-Drive-Disk-SATA-III-3-5-64M-HDD-HD-Harddisk-For.jpg)
WD PURPLE Surveillance 2TB Hard Drive Disk SATA III 3.5" 64M HDD HD Harddisk For Security System Video Recorder DVR NVR CCTV - AliExpress
![3.5 Inch 1TB 2TB 4TB 6TB 8TB SATA Interface Professional Surveillance Hard Disk Drive For HD DVR NVR CCTV Camera System - AliExpress 3.5 Inch 1TB 2TB 4TB 6TB 8TB SATA Interface Professional Surveillance Hard Disk Drive For HD DVR NVR CCTV Camera System - AliExpress](https://ae01.alicdn.com/kf/Hd106ec3d1a8a43e99fd99f2ef1f479dbN.jpg)
3.5 Inch 1TB 2TB 4TB 6TB 8TB SATA Interface Professional Surveillance Hard Disk Drive For HD DVR NVR CCTV Camera System - AliExpress
![Amazon.com: WL 3TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5" Desktop Hard Drive (For Server, RAID, NAS, DVR, Desktop PC) w/1 Year Warranty : Electronics Amazon.com: WL 3TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5" Desktop Hard Drive (For Server, RAID, NAS, DVR, Desktop PC) w/1 Year Warranty : Electronics](https://m.media-amazon.com/images/I/61MF9W9uQwL._AC_UF894,1000_QL80_.jpg)