The WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX costs $0.0500/GB while the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage costs $0.0340/GB. UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage offers 32% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX vs UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage — Which Is Better Value?
Specification Comparison
| Spec | WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX | UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage |
|---|---|---|
| Brand | Western Digital | UnionSine |
| Capacity | 12TB | 10 TB |
| $/GB | $0.0500 | $0.0340 |
| Price | $599.68 | $339.99 |
| 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 $0.0340//GB compared to the WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX at $0.0500//GB — that's roughly 32% less per gigabyte.
The best deal for the UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage is $339.99 at Amazon, while the WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX starts at $599.68 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 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX 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 Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX or UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage a better deal?
As of July 2026, UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage offers better value at $0.0340//GB compared to WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX at $0.0500//GB. That is approximately 32% better value per gigabyte.
What is the price per GB of WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX?
The WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX is currently priced at $0.0500/GB ($599.68 for 12TB) 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 $339.99 at Amazon, which works out to $0.0340/GB.