The Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives costs $0.0371/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 $0.0329/GB. Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers 11% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives 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?
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Specification Comparison
| Spec | Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives | 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 | 14TB | 16 TB |
| $/GB | $0.0371 | $0.0329 |
| Price | $518.89 | $526.36 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives
Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400
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 $0.0329//GB compared to the Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives at $0.0371//GB — that's roughly 11% 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 $526.36 at Amazon, while the Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives starts at $518.89 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 Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives 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 Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives 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 August 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 $0.0329//GB compared to Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives at $0.0371//GB. That is approximately 11% better value per gigabyte.
What is the price per GB of Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives?
The Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives is currently priced at $0.0371/GB ($518.89 for 14TB) 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 $526.36 at Amazon, which works out to $0.0329/GB.