Surveillance hard drives by $/TB

Live SSD, NVMe, NAS and hard drive prices from Amazon.com, ranked by price per terabyte.

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Surveillance drives are hard drives tuned for security recorders: they are built to handle continuous, write-heavy streams from multiple cameras, all day every day. Lines like WD Purple, Seagate SkyHawk and Toshiba S300 add firmware for sustained sequential writes and support many simultaneous streams, which desktop drives are not designed for. The table ranks every in-stock surveillance drive by live price per terabyte.

Best price per TB
$21.87
Products tracked
72
Prices updated
27 minutes ago
Price per
72 products
ProductCapacityPrice$ / TBTechPrimeBuy on Amazon
MaxDigitalData 16TB 7200RPM SATA 6Gb/s 256MB Cache 3.5-inch Internal Desktop Hard Drive - 3 Years Warranty (Renewed)Renewed16 TB$349.99$21.87HDD · SATA-Buy on Amazon
Western Digital 8TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD8001PURPUsed8 TB$179.64$22.46HDD · SATAPrimeBuy on Amazon
MDD MAXDIGITALDATA MDD 16TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal Hard Drive for Surveillance Storage (MD16TGSA25672DVR) - 3 Years Warranty (Renewed)Renewed16 TB$369.99$23.12HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA MDD (MDD14TSATA25672E) 14TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Enterprise Hard Drive - 5 Years Warranty (Renewed)Renewed14 TB$329.99$23.57HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA MDD 14TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal Surveillance Hard Drive - 3 Years Warranty (Renewed)Renewed14 TB$349.99$25.00HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA MDD (MDD12TSATA25672NAS) 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal NAS Hard Drive - 5 Years Warranty (Renewed)Renewed12 TB$309.99$25.83HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA MDD (MDD10TSATA25672E) 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5inch Enterprise Hard Drive (Renewed)Renewed10 TB$259.99$26.00HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA (MDD12TSATA25672E) 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Enterprise Hard Drive (Renewed)Renewed12 TB$319.95$26.66HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS Network Storage (MD6000GSA12872NAS) - 3 Years Warranty (Renewed)Renewed6 TB$159.99$26.67HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5-inch Internal Hard Drive (Enterprise Grade) (Renewed)Renewed6 TB$159.99$26.67HDD · SATA-Buy on Amazon
Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 3.5" Internal - SATA (SATA/600)Used12 TB$319.99$26.67HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA 2021 MDD (MDD10TSATA25672NAS) 10TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal NAS Hard Drive (Renewed)Renewed10 TB$268.99$26.90HDD · SATA-Buy on Amazon
MDD (MDD12TSATA25672NAS) 12TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal NAS Hard Drive - 5 Years Warranty (Renewed)Renewed12 TB$329.99$27.50HDD · SATA-Buy on Amazon
HGST - WD Ultrastar DC HC520 HDD | HUH721212ALE600 | 12TB 7.2K SATA 6Gb/s 256MB Cache 3.5-Inch Helium Data Center Internal Hard Disk DriveUsed12 TB$349.99$29.17HDD · SATA-Buy on Amazon
MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5-inch Internal Hard Drive for NAS Network Storage (MD6000GSA12872NAS) - 3 Years Warranty (Renewed)Renewed6 TB$179.99$30.00HDD · SATA-Buy on Amazon
MDD (MDD6TSATA6472DVR) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5-inch Internal Surveillance Hard Drive - 3 Years Warranty (Renewed)Renewed6 TB$179.99$30.00HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal Hard Drive for NAS Network Storage (MD8000GSA25672NAS) - 3 Years Warranty (Renewed)Renewed8 TB$239.99$30.00HDD · SATA-Buy on Amazon
WD 2 TB WD AV-GP SATA III Intellipower 64 MB Cache Bulk/OEM AV Hard Drive WD20EURXUsed2 TB$62.00$31.00HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA MaxDigitalData 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal Enterprise Hard Drive (MD8000GSA25672E) - 3 Years Warranty (Renewed)Renewed8 TB$249.99$31.25HDD · SATA-Buy on Amazon
MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive for Surveillance (MD6000GSA12872DVR) - 3 Years Warranty6 TB$188.99$31.50HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA MaxDigitalData 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS Network Storage (MD8000GSA25672NAS)8 TB$258.99$32.37HDD · SATA-Buy on Amazon
WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty4 TB$129.99$32.50HDD · SATA-Buy on Amazon
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD62PURZUsed6 TB$199.99$33.33HDD · SATA-Buy on Amazon
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD60PURZUsed6 TB$200.00$33.33HDD · SATA-Buy on Amazon
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZUsed4 TB$135.19$33.80HDD · SATA-Buy on Amazon
MDD MAXDIGITALDATA MDD (MDD4TSATA6472DVR) 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5-inch Internal Surveillance Hard Drive (Renewed)Renewed4 TB$135.99$34.00HDD · SATA-Buy on Amazon
Western Digital 10TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD102PURZUsed10 TB$339.99$34.00HDD · SATA-Buy on Amazon
SEAGATE ST4000VX007 Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VXZ07) Mechanical Hard DiskUsed4 TB$139.99$35.00HDD · SATA-Buy on Amazon
Western Digital Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30PURX [Old Version]Used3 TB$109.99$36.66HDD · SATA-Buy on Amazon
WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD60PURX [Old Version]6 TB$224.86$37.48HDD · SATA-Buy on Amazon
Seagate SkyHawk 6TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6GB/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management – Frustration Free Packaging (ST6000VX001)Used6 TB$229.99$38.33HDD · SATA-Buy on Amazon
Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZUsed12 TB$469.99$39.17HDD · SATA-Buy on Amazon
WD Purple 2TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD20PURX [Old Version]Used2 TB$80.00$40.00HDD · SATA-Buy on Amazon
Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZUsed8 TB$319.99$40.00HDD · SATA-Buy on Amazon
Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD101PURPUsed10 TB$399.99$40.00HDD · SATA-Buy on Amazon
Seagate Skyhawk AI 16TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management and in-House Rescue Services (ST16000VE000)16 TB$641.45$40.09HDD · SATA-Buy on Amazon
Western Digital 18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181PURP18 TB$734.99$40.83HDD · SATAPrimeBuy on Amazon
Seagate Skyhawk AI 14TB Surveillance Internal Hard Drive HDD–3.5 Inch SATA 6Gb/s 256MB Cache with Drive Health Management + 3-Year Rescue Service (ST14000VE0008)14 TB$579.21$41.37HDD · SATA-Buy on Amazon
Seagate Skyhawk 6TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management (ST6000VX0023)Used6 TB$249.99$41.67HDD · SATA-Buy on Amazon
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD63PURZUsed6 TB$250.00$41.67HDD · SATA-Buy on Amazon
Seagate Skyhawk ST6000VX001 6TB 3.5" Internal Hard Drive - SATAUsed6 TB$250.00$41.67HDD · SATA-Buy on Amazon
Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 3.5" Internal - SATA (SATA/600)12 TB$513.31$42.78HDD · SATA-Buy on Amazon
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZUsed6 TB$259.99$43.33HDD · SATA-Buy on Amazon
HGST - WD Ultrastar DC HC520 HDD | HUH721212ALE600 | 12TB 7.2K SATA 6Gb/s 256MB Cache 3.5-Inch Helium Data Center Internal Hard Disk Drive12 TB$521.45$43.45HDD · SATA-Buy on Amazon
WL 2TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty2 TB$89.95$44.98HDD · SATA-Buy on Amazon
Seagate SkyHawk 10TB Surveillance Hard Drive - SATA 6Gb/s 256MB Cache 3.5-Inch Internal Drive (ST10000VX0004)10 TB$451.45$45.15HDD · SATA-Buy on Amazon
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD60PURZ6 TB$274.99$45.83HDD · SATA-Buy on Amazon
Western Digital 3TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD30PURZUsed3 TB$140.00$46.67HDD · SATA-Buy on Amazon
Seagate Skyhawk 12TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management – Frustration Free Packaging (ST12000VX0008)12 TB$571.75$47.65HDD · SATA-Buy on Amazon
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ6 TB$288.00$48.00HDD · SATA-Buy on Amazon
Western Digital 12TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURZ12 TB$583.69$48.64HDD · SATA-Buy on Amazon
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD63PURZ6 TB$297.43$49.57HDD · SATA-Buy on Amazon
Western Digital Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30PURX [Old Version]3 TB$156.00$52.00HDD · SATA-Buy on Amazon
Seagate Skyhawk 6TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management (ST6000VX0023)6 TB$317.95$52.99HDD · SATA-Buy on Amazon
Seagate Skyhawk ST4000VX013 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Network Video Recorder, Video Surveillance System Device Supported4 TB$217.49$54.37HDD · SATA-Buy on Amazon
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ4 TB$220.00$55.00HDD · SATA-Buy on Amazon
Western Digital 18TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256MB Cache, 3.5" - WD180PURZ18 TB$994.45$55.25HDD · SATA-Buy on Amazon
Western Digital 3TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD30PURZ3 TB$168.00$56.00HDD · SATA-Buy on Amazon
SEAGATE ST4000VX007 Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VXZ07) Mechanical Hard Disk4 TB$249.00$62.25HDD · SATA-Buy on Amazon
Seagate Skyhawk Surveillance ST2000VX008 2TB SATA 6.0GB/s 64MB Hard Drive (3.5 inch)Used2 TB$126.69$63.35HDD · SATA-Buy on Amazon
Seagate Skyhawk ST6000VX001 6TB 3.5" Internal Hard Drive - SATA6 TB$404.00$67.33HDD · SATA-Buy on Amazon
Western Digital 8TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD8001PURP8 TB$541.45$67.68HDD · SATA-Buy on Amazon
Toshiba S300 4TB Internal Surveillance Hard Drive, 3.5’’ SATA HDD, Supports up to 64 HD Cameras at a 180TB/Year workload (HDWT840UZSVA)4 TB$273.79$68.45HDD · SATA-Buy on Amazon
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)Used1 TB$69.99$69.99HDD · SATA-Buy on Amazon
Seagate Skyhawk Surveillance ST2000VX008 2TB SATA 6.0GB/s 64MB Hard Drive (3.5 inch)2 TB$170.45$85.23HDD · SATA-Buy on Amazon
SEAGATE ST2000VXZ08 Skyhawk 2TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5" Internal Drive-Frustration Free Packaging (ST2000VX008),Mechanical Hard Disk2 TB$170.45$85.23HDD · SATA-Buy on Amazon
WD Purple 2TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD20PURX [Old Version]2 TB$174.95$87.48HDD · SATA-Buy on Amazon
Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD22PURZ2 TB$178.94$89.47HDD · SATA-Buy on Amazon
Toshiba S300 Surveillance 3.5" 2000 GB Serial ATA III2 TB$181.40$90.70HDD · SATA-Buy on Amazon
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)1 TB$99.99$99.99HDD · SATA-Buy on Amazon
DiskStation DS925+ 4-Bay NAS 16TB Combo with 4X 4TB SATA HDDs, 4GB RAM16 TB$1,799.00$112.44HDD · SATA-Buy on Amazon
Western Digital SC QD101 MicroSD Card 64GB WD Purple Surveillance Camera WDD064G1P0C64 GB$39.99$624.84microSD-Buy on Amazon

What makes a surveillance drive different

A DVR or NVR writes constantly from several cameras at once, a workload closer to a NAS than a desktop. Surveillance drives are rated for 24/7 write-heavy operation, support a defined number of camera streams, and use firmware tuned for smooth sequential recording rather than random access. For AI cameras and higher stream counts, the Pro or AI variants (SkyHawk AI, WD Purple Pro) add headroom. For a small system a standard surveillance drive is enough; match the drive's stream and bay rating to your setup.

Frequently asked questions

Do I need a special hard drive for security cameras?

For continuous recording from multiple cameras, yes. Surveillance drives like WD Purple, Seagate SkyHawk and Toshiba S300 are built for 24/7 write-heavy streams that desktop drives are not designed to handle.

Can I use a normal hard drive in a DVR?

It may work for a single camera, but desktop drives are not rated for the constant multi-stream writes of a security recorder and can fail early. A surveillance-rated drive is the safe choice.

What is the best surveillance hard drive?

WD Purple, Seagate SkyHawk or Toshiba S300 for standard use, and the Pro or AI variants for high stream counts or AI cameras. The table ranks surveillance drives by live price per terabyte.