The WD - easystore 20TB External USB 3.0 Hard Drive - Black costs $0.0440/GB while the Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) costs $0.0360/GB. Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) offers 18% better value per gigabyte as of September 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, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) — Which Is Better Value?
WD - easystore 20TB External USB 3.0 Hard Drive - Black
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Specification Comparison
| Spec | WD - easystore 20TB External USB 3.0 Hard Drive - Black | Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 20 TB | 20 TB |
| $/GB | $0.0440 | $0.0360 |
| Price | $879.99 | $719.99 |
| Retailer | Best Buy | Amazon |
| 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, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) offers better value at $0.0360//GB compared to the WD - easystore 20TB External USB 3.0 Hard Drive - Black at $0.0440//GB — that's roughly 18% less per gigabyte.
The best deal for the Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) is $719.99 at Amazon, while the WD - easystore 20TB External USB 3.0 Hard Drive - Black starts at $879.99 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, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) 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, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) a better deal?
As of September 2026, Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) offers better value at $0.0360//GB compared to WD - easystore 20TB External USB 3.0 Hard Drive - Black at $0.0440//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 $0.0440/GB ($879.99 for 20 TB) at Best Buy.
Where can I buy Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) for the cheapest price?
The cheapest price for the Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001) is $719.99 at Amazon, which works out to $0.0360/GB.