The Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 costs $0.0308/GB while the WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX costs $0.0414/GB. Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers 26% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 vs WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX — Which Is Better Value?
Specification Comparison
| Spec | Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 | WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 16 TB | 14TB |
| $/GB | $0.0308 | $0.0414 |
| Price | $492.72 | $579.99 |
| Retailer | Amazon | 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 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 $0.0308//GB compared to the WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX at $0.0414//GB — that's roughly 26% 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 $492.72 at Amazon, while the WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX 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 Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 and WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 or WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX 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 $0.0308//GB compared to WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX at $0.0414//GB. That is approximately 26% better value per gigabyte.
What is the price per GB of Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400?
The Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 is currently priced at $0.0308/GB ($492.72 for 16 TB) at Amazon.
Where can I buy WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX for the cheapest price?
The cheapest price for the WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX is $579.99 at Newegg, which works out to $0.0414/GB.