The Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM costs $0.0362/GB while the Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 costs $0.0344/GB. Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers 5% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM vs Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 — Which Is Better Value?
Specification Comparison
| Spec | Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM | Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 16TB | 16 TB |
| $/GB | $0.0362 | $0.0344 |
| Price | $579.99 | $549.99 |
| 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 Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers better value at $0.0344//GB compared to the Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM at $0.0362//GB — that's roughly 5% less per gigabyte.
The best deal for the Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 is $549.99 at Amazon, while the Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM starts at $579.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM and Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM or Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 a better deal?
As of July 2026, Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers better value at $0.0344//GB compared to Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM at $0.0362//GB. That is approximately 5% better value per gigabyte.
What is the price per GB of Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM?
The Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM is currently priced at $0.0362/GB ($579.99 for 16TB) at Newegg.
Where can I buy Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 for the cheapest price?
The cheapest price for the Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 is $549.99 at Amazon, which works out to $0.0344/GB.