The UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) costs $0.0735/GB while the HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive costs $0.0333/GB. HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive offers 55% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) vs HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive — Which Is Better Value?
Specification Comparison
| Spec | UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) | HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive |
|---|---|---|
| Brand | UnionSine | HGST |
| Capacity | 500 GB | 3TB |
| $/GB | $0.0735 | $0.0333 |
| Price | $36.73 | $100.00 |
| 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 HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive offers better value at $0.0333//GB compared to the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) at $0.0735//GB — that's roughly 55% less per gigabyte.
The best deal for the HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive is $100.00 at Newegg, while the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) starts at $36.73 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) and HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) or HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive a better deal?
As of June 2026, HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive offers better value at $0.0333//GB compared to UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) at $0.0735//GB. That is approximately 55% better value per gigabyte.
What is the price per GB of UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black)?
The UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) is currently priced at $0.0735/GB ($36.73 for 500 GB) at Amazon.
Where can I buy HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive for the cheapest price?
The cheapest price for the HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive is $100.00 at Newegg, which works out to $0.0333/GB.