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 $0.0335/GB while the WD Purple Pro 26TB 3.5' Surveillance Internal Hard Drive HDD - SATA 6 Gb/s - 512 MB Cache - WD260PURP costs $0.0465/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 28% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
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) vs WD Purple Pro 26TB 3.5' Surveillance Internal Hard Drive HDD - SATA 6 Gb/s - 512 MB Cache - WD260PURP — Which Is Better Value?
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Specification Comparison
| Spec | 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) | WD Purple Pro 26TB 3.5' Surveillance Internal Hard Drive HDD - SATA 6 Gb/s - 512 MB Cache - WD260PURP |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 20 TB | 26TB |
| $/GB | $0.0335 | $0.0465 |
| Price | $669.99 | $1209.90 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
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 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 $0.0335//GB compared to the WD Purple Pro 26TB 3.5' Surveillance Internal Hard Drive HDD - SATA 6 Gb/s - 512 MB Cache - WD260PURP at $0.0465//GB — that's roughly 28% 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 $669.99 at Amazon, while the WD Purple Pro 26TB 3.5' Surveillance Internal Hard Drive HDD - SATA 6 Gb/s - 512 MB Cache - WD260PURP starts at $1209.90 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 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) and WD Purple Pro 26TB 3.5' Surveillance Internal Hard Drive HDD - SATA 6 Gb/s - 512 MB Cache - WD260PURP product page for detailed specifications and price history.
Frequently Asked Questions
Is 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) or WD Purple Pro 26TB 3.5' Surveillance Internal Hard Drive HDD - SATA 6 Gb/s - 512 MB Cache - WD260PURP 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 $0.0335//GB compared to WD Purple Pro 26TB 3.5' Surveillance Internal Hard Drive HDD - SATA 6 Gb/s - 512 MB Cache - WD260PURP at $0.0465//GB. That is approximately 28% better value per gigabyte.
What is the price per GB of 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)?
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 currently priced at $0.0335/GB ($669.99 for 20 TB) at Amazon.
Where can I buy WD Purple Pro 26TB 3.5' Surveillance Internal Hard Drive HDD - SATA 6 Gb/s - 512 MB Cache - WD260PURP for the cheapest price?
The cheapest price for the WD Purple Pro 26TB 3.5' Surveillance Internal Hard Drive HDD - SATA 6 Gb/s - 512 MB Cache - WD260PURP is $1209.90 at Newegg, which works out to $0.0465/GB.