The WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black costs $0.0455/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 21% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD My Book 22TB USB 3.0, Micro-B External Desktop 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 My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black
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Specification Comparison
| Spec | WD My Book 22TB USB 3.0, Micro-B External Desktop 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 | 22TB | 20 TB |
| $/GB | $0.0455 | $0.0360 |
| Price | $999.99 | $719.99 |
| Retailer | Newegg | 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 My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black at $0.0455//GB — that's roughly 21% 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 My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black starts at $999.99 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 My Book 22TB USB 3.0, Micro-B External Desktop 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 My Book 22TB USB 3.0, Micro-B External Desktop 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 My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black at $0.0455//GB. That is approximately 21% better value per gigabyte.
What is the price per GB of WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black?
The WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black is currently priced at $0.0455/GB ($999.99 for 22TB) at Newegg.
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.