The Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400 costs $0.0442/GB while the Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM costs $0.0337/GB. Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM offers 24% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400 vs Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM — Which Is Better Value?
Specification Comparison
| Spec | Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400 | Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 16TB | 16TB |
| $/GB | $0.0442 | $0.0337 |
| Price | $707.15 | $539.99 |
| Retailer | Newegg | 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 ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM offers better value at $0.0337//GB compared to the Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400 at $0.0442//GB — that's roughly 24% less per gigabyte.
The best deal for the Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM is $539.99 at Newegg, while the Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400 starts at $707.15 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 Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400 and Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400 or Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM a better deal?
As of June 2026, Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM offers better value at $0.0337//GB compared to Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400 at $0.0442//GB. That is approximately 24% better value per gigabyte.
What is the price per GB of Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400?
The Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400 is currently priced at $0.0442/GB ($707.15 for 16TB) at Newegg.
Where can I buy Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM for the cheapest price?
The cheapest price for the Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM is $539.99 at Newegg, which works out to $0.0337/GB.