The WD - easystore 20TB External USB 3.0 Hard Drive - Black costs $0.0408/GB while the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0335/GB. Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers 18% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD - easystore 20TB External USB 3.0 Hard Drive - Black vs Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
WD - easystore 20TB External USB 3.0 Hard Drive - Black
Specification Comparison
| Spec | WD - easystore 20TB External USB 3.0 Hard Drive - Black | Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 20 TB | 20TB |
| $/GB | $0.0408 | $0.0335 |
| Price | $814.99 | $669.99 |
| Retailer | Best Buy | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0335//GB compared to the WD - easystore 20TB External USB 3.0 Hard Drive - Black at $0.0408//GB — that's roughly 18% less per gigabyte.
The best deal for the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $669.99 at Newegg, while the WD - easystore 20TB External USB 3.0 Hard Drive - Black starts at $814.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD - easystore 20TB External USB 3.0 Hard Drive - Black and Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - easystore 20TB External USB 3.0 Hard Drive - Black or Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of June 2026, Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0335//GB compared to WD - easystore 20TB External USB 3.0 Hard Drive - Black at $0.0408//GB. That is approximately 18% better value per gigabyte.
What is the price per GB of WD - easystore 20TB External USB 3.0 Hard Drive - Black?
The WD - easystore 20TB External USB 3.0 Hard Drive - Black is currently priced at $0.0408/GB ($814.99 for 20 TB) at Best Buy.
Where can I buy Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive for the cheapest price?
The cheapest price for the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $669.99 at Newegg, which works out to $0.0335/GB.