The Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX costs $0.0281/GB while the WD - easystore 18TB External USB 3.0 Hard Drive - Black costs $0.0217/GB. WD - easystore 18TB External USB 3.0 Hard Drive - Black offers 23% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX vs WD - easystore 18TB External USB 3.0 Hard Drive - Black — Which Is Better Value?
WD - easystore 18TB External USB 3.0 Hard Drive - Black
Specification Comparison
| Spec | Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX | WD - easystore 18TB External USB 3.0 Hard Drive - Black |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 16 TB | 18 TB |
| $/GB | $0.0281 | $0.0217 |
| Price | $449.99 | $389.99 |
| Retailer | Amazon | Best Buy |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WD - easystore 18TB External USB 3.0 Hard Drive - Black offers better value at $0.0217//GB compared to the Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX at $0.0281//GB — that's roughly 23% less per gigabyte.
The best deal for the WD - easystore 18TB External USB 3.0 Hard Drive - Black is $389.99 at Best Buy, while the Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX starts at $449.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX and WD - easystore 18TB External USB 3.0 Hard Drive - Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX or WD - easystore 18TB External USB 3.0 Hard Drive - Black a better deal?
As of April 2026, WD - easystore 18TB External USB 3.0 Hard Drive - Black offers better value at $0.0217//GB compared to Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX at $0.0281//GB. That is approximately 23% better value per gigabyte.
What is the price per GB of Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX?
The Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX is currently priced at $0.0281/GB ($449.99 for 16 TB) at Amazon.
Where can I buy WD - easystore 18TB External USB 3.0 Hard Drive - Black for the cheapest price?
The cheapest price for the WD - easystore 18TB External USB 3.0 Hard Drive - Black is $389.99 at Best Buy, which works out to $0.0217/GB.