The WD Red Pro WD141KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0461/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 $0.0303/GB. Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400 offers 34% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Red Pro WD141KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive 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 | WD Red Pro WD141KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive | 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 | $0.0461 | $0.0303 |
| Price | $646.00 | $485.19 |
| 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 $0.0303//GB compared to the WD Red Pro WD141KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0461//GB — that's roughly 34% 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 $485.19 at Amazon, while the WD Red Pro WD141KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive starts at $646.00 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 Red Pro WD141KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive 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 Red Pro WD141KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive 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 $0.0303//GB compared to WD Red Pro WD141KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0461//GB. That is approximately 34% better value per gigabyte.
What is the price per GB of WD Red Pro WD141KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive?
The WD Red Pro WD141KFGX 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is currently priced at $0.0461/GB ($646.00 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 $485.19 at Amazon, which works out to $0.0303/GB.