Best 18TB storage, ranked by $/TB

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

CanadaUnited States
Updated 46 minutes ago

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18TB drives are high-capacity territory, almost always 3.5-inch hard drives for NAS, servers and bulk archives. At this size the price per terabyte is usually at its lowest, which is why 18TB and the 14-18TB band around it are the value sweet spot for mass storage. This table ranks every 18TB drive we track on Amazon.ca by live price per terabyte, so you can find the cheapest capacity per dollar.

Best price per TB
CA$8.32
Products tracked
11
Prices updated
46 minutes ago
Price per
11 products
ProductCapacityPriceCA$ / TBTechPrime
HPE LTO-9 Ultrium 45TB RW Data Cartridge18 TBCA$149.81CA$8.32Tape · SAS-
Fuji 16659047film Lto Ultrium 9 18tb Native 45tb Compressed Tape Cartridge with Case18 TBCA$169.99CA$9.44Tape · SAS-
Unknown, for LTO-9 Tape Drives. Price is PER Cartridge, BUT Must BE Purchased in Multiple, MR-L9MQN-0118 TBCA$190.59CA$10.59Tape · SAS-
HPE - LTO Ultrium 9-18 TB / 45 TB - Write-on Labels - Light Blue18 TBCA$373.13CA$20.73Tape · SAS-
Western Digital WD WUH721818AL5204 18TB SAS 12Gb/s 7.2K RPM 512M 0F38353 512e/4Kn SE HDD (Renewed)Renewed18 TBCA$766.38CA$42.58SAS-
Water Panther WP Arsenal 18TB SAS 12Gb/s 7200RPM 3.5-Inch DAS Hard Drive for Storage Server, Enterprise JBOD, Business RAID Workstation, Internal SAS LFF HDD (Renewed)Renewed18 TBCA$814.38CA$45.24SAS-
Water Panther 18TB 7200 RPM SAS 12Gb/s 3.5-Inch Enterprise Hard Disk Drive in 13G Tray Compatible with Dell PowerEdge Servers R730XD R730 T340 T330 T640 T630 T440 (Renewed)Renewed18 TBCA$814.38CA$45.24SAS-
WD 18TB Elements Desktop External Hard Drive, USB 3.0 External Hard Drive for Plug-and-Play Storage - WDBWLG0180HBK-NESN18 TBCA$908.22CA$50.46HDD · USB-
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
SanDisk Professional 18TB G-Drive Enterprise-Class External Desktop Hard Drive - 7200RPM Ultrastar HDD Inside, USB-C (10Gbps), USB 3.2 Gen 2, Mac Ready - SDPHF1A-018T-NBAAD18 TBCA$1,199.99CA$66.67HDD · USB-
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-

Frequently asked questions

Is a 18TB drive good value?

Often yes. High-capacity drives usually have the lowest price per terabyte, so 18TB can be excellent value for bulk storage.

What is the cheapest 18TB drive?

The table above is sorted by price per terabyte, so the best value 18TB options are at the top. Prices update daily from Amazon.ca.

18TB SSD or hard drive?

18TB is almost always a hard drive; SSDs at this size are rare and expensive.

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.