The Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 costs $0.0448/GB while the Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black costs $0.0315/GB. Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black offers 30% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 vs Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black — Which Is Better Value?
Specification Comparison
| Spec | Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 | Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 20TB | 20 TB |
| $/GB | $0.0448 | $0.0315 |
| Price | $896.10 | $629.99 |
| 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 Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black offers better value at $0.0315//GB compared to the Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 at $0.0448//GB — that's roughly 30% less per gigabyte.
The best deal for the Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black is $629.99 at Best Buy, while the Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 starts at $896.10 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 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 and Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 or Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black a better deal?
As of June 2026, Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black offers better value at $0.0315//GB compared to Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 at $0.0448//GB. That is approximately 30% better value per gigabyte.
What is the price per GB of Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000?
The Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 is currently priced at $0.0448/GB ($896.10 for 20TB) at Newegg.
Where can I buy Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black for the cheapest price?
The cheapest price for the Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black is $629.99 at Best Buy, which works out to $0.0315/GB.