The Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache costs $0.0476/GB while the HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive costs $0.0333/GB. HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard 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 Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache vs HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache | HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive |
|---|---|---|
| Brand | Seagate | HGST |
| Capacity | 4TB | 3TB |
| $/GB | $0.0476 | $0.0333 |
| Price | $190.24 | $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 HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive offers better value at $0.0333//GB compared to the Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache at $0.0476//GB — that's roughly 30% less per gigabyte.
The best deal for the HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive is $100.00 at Newegg, while the Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache starts at $190.24 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 Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache and HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache or HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive a better deal?
As of July 2026, HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive offers better value at $0.0333//GB compared to Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache at $0.0476//GB. That is approximately 30% better value per gigabyte.
What is the price per GB of Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache?
The Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache is currently priced at $0.0476/GB ($190.24 for 4TB) at Newegg.
Where can I buy HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive for the cheapest price?
The cheapest price for the HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive is $100.00 at Newegg, which works out to $0.0333/GB.