The WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX costs $0.0408/GB while the WD - easystore 18TB External USB 3.0 Hard Drive - Black costs $0.0283/GB. WD - easystore 18TB External USB 3.0 Hard Drive - Black offers 31% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX 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 | WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX | WD - easystore 18TB External USB 3.0 Hard Drive - Black |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 18TB | 18 TB |
| $/GB | $0.0408 | $0.0283 |
| Price | $734.99 | $509.99 |
| Retailer | Newegg | Best Buy |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| 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 $0.0283//GB compared to the WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX at $0.0408//GB — that's roughly 31% less per gigabyte.
The best deal for the WD - easystore 18TB External USB 3.0 Hard Drive - Black is $509.99 at Best Buy, while the WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX starts at $734.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX and WD - easystore 18TB External USB 3.0 Hard Drive - Black product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX or WD - easystore 18TB External USB 3.0 Hard Drive - Black a better deal?
As of June 2026, WD - easystore 18TB External USB 3.0 Hard Drive - Black offers better value at $0.0283//GB compared to WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX at $0.0408//GB. That is approximately 31% better value per gigabyte.
What is the price per GB of WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX?
The WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX is currently priced at $0.0408/GB ($734.99 for 18TB) at Newegg.
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 $509.99 at Best Buy, which works out to $0.0283/GB.