Best nas hard drive, ranked by $/TB

SSD · NVMe · hard drive · external · NAS · SAS · microSD, all on Amazon.ca

CanadaUnited States
Updated 44 minutes ago

As an Amazon Associate we earn from qualifying purchases. Prices and availability come from Amazon.ca as of the last update and may change.

CMR hard drives rated for 24/7 NAS use. This table ranks every nas hard drive we track on Amazon.ca by live price per terabyte, so you can compare value across brands and capacities at a glance and find the cheapest cost per terabyte rather than scanning listing after listing.

Best price per TB
CA$39.29
Products tracked
26
Prices updated
44 minutes ago
Price per
26 products
ProductCapacityPriceCA$ / TBTechPrime
Seagate IronWolf Pro 28TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST28000NTZ00)28 TBCA$1,099.99CA$39.29HDD · SATA-
Seagate IronWolf SATA III 3.5" Internal NAS Hard Drive - 12TB, 2-Pack24 TBCA$951.64CA$39.65HDD · SATA-
WD Red 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40EFRX (Renewed)Renewed4 TBCA$169.30CA$42.33HDD · SATA-
Seagate IronWolf Pro 14TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Rescue Services - FFP (ST14000NTZ01)Used14 TBCA$659.99CA$47.14HDD · SATA-
Seagate IronWolf Pro 12 TB Enterprise NAS Internal HDD – CMR 3.5 Inch, SATA 6 Gb/s, 7200 RPM, 256 MB Cache for RAID Network Attached Storage (ST12000NTZ01/ST12000NT001)12 TBCA$594.99CA$49.58HDD · SATA-
Seagate IronWolf Pro 20TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Rescue Services (ST20000NTZ01/ST20000NT001)20 TBCA$994.99CA$49.75HDD · SATA-
Seagate IronWolf 8TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST8000VNZ04/ST8000VN004)8 TBCA$413.99CA$51.75HDD · SATAPrime
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX12 TBCA$624.99CA$52.08HDD · SATAPrime
Western Digital 22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGX22 TBCA$1,159.99CA$52.73HDD · SATA-
Western Digital 18TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD181KFGX18 TBCA$999.99CA$55.56HDD · SATAPrime
Seagate IronWolf 8TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST8000VNZ04/N004)8 TBCA$469.05CA$58.63HDD · SATA-
Seagate IronWolf 10TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST10000VN0008) (ST10000VNZ008/N0008)10 TBCA$599.08CA$59.91HDD · SATA-
Seagate IRONWOLF 6TB NAS 3.5IN 6GB/S SATA 256MB6 TBCA$369.80CA$61.63HDD · SATA-
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD40EFRXUsed4 TBCA$261.94CA$65.49HDD · SATA-
Seagate IronWolf Pro 3.5" 8TB HDD with Data Recovery Service 5 Year Warranty 256MB 7200rpm 24 Hours Service for PC NAS RV Sensor ST8000NE0018 TBCA$559.07CA$69.88HDD · SATA-
WD 28TB My Cloud Pro Series PR2100 Network Attached Storage - NAS - WDBBCL0280JBK-NESN28 TBCA$1,999.99CA$71.43HDD · SATA-
Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/ST4000VN006)4 TBCA$289.99CA$72.50HDD · SATA-
Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storage, Rescue Services – Frustration Free Packaging (ST4000VNZ06)4 TBCA$289.99CA$72.50HDD · SATA-
Western Digital 3TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD30EFPXUsed3 TBCA$239.99CA$80.00HDD · SATA-
Toshiba 18TB N300 Internal Hard Drive – NAS 3.5 Inch SATA HDD Supports Up to 8 Drive Bays Designed for 24/7 NAS Systems, New Generation (HDWG480UZSVA)18 TBCA$1,564.33CA$86.91HDD · SATA-
Western Digital 3TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD30EFPX3 TBCA$278.89CA$92.96HDD · SATA-
Seagate IronWolf Pro 4TB NAS Internal Hard Drive HDD 3.5" 7200RPM CMR 256MB Cache SATA 6GB/S Includes Data Rescue Service (ST4000NTZ01)4 TBCA$379.99CA$95.00HDD · SATA-
Seagate Ironwolf ST8000VN002-TD 3.5" (RV Sensor) 8 TB Internal Hard Drive (CMR) 3 Year Warranty 24 Hour Operation for PC NAS8 TBCA$901.75CA$112.72HDD · SATA-
Toshiba 16TB N300 Internal Hard Drive – NAS 3.5 Inch SATA HDD Supports Up to 8 Drive Bays Designed for 24/7 NAS Systems, New Generation (HDWG31GUZSVA)16 TBCA$1,911.32CA$119.46HDD · SATA-
Seagate IronWolf 1TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST1000VN002), Model:ST1000VNZ02/VN0021 TBCA$180.00CA$180.00HDD · SATA-
Seagate IronWolf 1 TB NAS RAID Internal Hard Drive - 5,900 RPM SATA 6 Gb/s 3.5-inch (ST1000VN002)1 TBCA$199.00CA$199.00HDD · SATA-

Frequently asked questions

What is the best nas hard drive?

The best value nas hard drives are at the top of the table above, ranked by price per terabyte on Amazon.ca and refreshed daily.

How do I find the cheapest nas hard drive?

Sort by price per terabyte, which the table does by default. The lowest cost per terabyte appears first.

Are prices up to date?

Yes. Prices refresh daily from Amazon.ca, and the table re-ranks by price per terabyte each time.

Last updated: 2026-06-27 00:02:41 UTC. As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date indicated on Amazon.ca and are subject to change. Any price displayed at the time of purchase will apply. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED AS IS AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.