The WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ costs $0.0429/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 $0.0305/GB. Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers 29% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ 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?
WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ
Specification Comparison
| Spec | WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ | Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 14TB | 16 TB |
| $/GB | $0.0429 | $0.0305 |
| Price | $599.99 | $487.91 |
| 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 $0.0305//GB compared to the WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ at $0.0429//GB — that's roughly 29% 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 $487.91 at Amazon, while the WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ starts at $599.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ 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 WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ 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 $0.0305//GB compared to WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ at $0.0429//GB. That is approximately 29% better value per gigabyte.
What is the price per GB of WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ?
The WD Purple 14TB 3.5' SATA 7200rpm Internal Hard Drive WD140PURZ is currently priced at $0.0429/GB ($599.99 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 $487.91 at Amazon, which works out to $0.0305/GB.