The Seagate Portable 4TB External Hard Drive HDD Slim - USB 3.0 for PC Laptop and Mac (STGX4000400) costs $0.0475/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 30% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Portable 4TB External Hard Drive HDD Slim - USB 3.0 for PC Laptop and Mac (STGX4000400) 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 | Seagate Portable 4TB External Hard Drive HDD Slim - USB 3.0 for PC Laptop and Mac (STGX4000400) | HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive |
|---|---|---|
| Brand | Seagate | HGST |
| Capacity | 4TB | 3TB |
| $/GB | $0.0475 | $0.0333 |
| Price | $189.99 | $100.00 |
| Retailer | Newegg | 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 Seagate Portable 4TB External Hard Drive HDD Slim - USB 3.0 for PC Laptop and Mac (STGX4000400) at $0.0475//GB — that's roughly 30% 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 Seagate Portable 4TB External Hard Drive HDD Slim - USB 3.0 for PC Laptop and Mac (STGX4000400) starts at $189.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate Portable 4TB External Hard Drive HDD Slim - USB 3.0 for PC Laptop and Mac (STGX4000400) 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 Seagate Portable 4TB External Hard Drive HDD Slim - USB 3.0 for PC Laptop and Mac (STGX4000400) 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 July 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 Seagate Portable 4TB External Hard Drive HDD Slim - USB 3.0 for PC Laptop and Mac (STGX4000400) at $0.0475//GB. That is approximately 30% better value per gigabyte.
What is the price per GB of Seagate Portable 4TB External Hard Drive HDD Slim - USB 3.0 for PC Laptop and Mac (STGX4000400)?
The Seagate Portable 4TB External Hard Drive HDD Slim - USB 3.0 for PC Laptop and Mac (STGX4000400) is currently priced at $0.0475/GB ($189.99 for 4TB) at Newegg.
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.