The WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive costs $0.0506/GB while the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage costs $0.0360/GB. UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage offers 29% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive vs UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage — Which Is Better Value?
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Specification Comparison
| Spec | WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive | UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage |
|---|---|---|
| Brand | Western Digital | UnionSine |
| Capacity | 10TB | 10 TB |
| $/GB | $0.0506 | $0.0360 |
| Price | $505.99 | $359.99 |
| 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 UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage offers better value at $0.0360//GB compared to the WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive at $0.0506//GB — that's roughly 29% less per gigabyte.
The best deal for the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage is $359.99 at Amazon, while the WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive starts at $505.99 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 Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive and UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive or UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage a better deal?
As of September 2026, UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage offers better value at $0.0360//GB compared to WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive at $0.0506//GB. That is approximately 29% better value per gigabyte.
What is the price per GB of WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive?
The WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive is currently priced at $0.0506/GB ($505.99 for 10TB) at Newegg.
Where can I buy UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage for the cheapest price?
The cheapest price for the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage is $359.99 at Amazon, which works out to $0.0360/GB.