The Seagate BarraCuda ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives costs $0.0660/GB while the 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive costs $0.0358/GB. 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive offers 46% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives vs 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive — Which Is Better Value?
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Specification Comparison
| Spec | Seagate BarraCuda ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives | 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Toshiba |
| Capacity | 3TB | 4TB |
| $/GB | $0.0660 | $0.0358 |
| Price | $198.00 | $143.40 |
| 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 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive offers better value at $0.0358//GB compared to the Seagate BarraCuda ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives at $0.0660//GB — that's roughly 46% less per gigabyte.
The best deal for the 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive is $143.40 at Newegg, while the Seagate BarraCuda ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives starts at $198.00 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 ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives and 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives or 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive a better deal?
As of September 2026, 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive offers better value at $0.0358//GB compared to Seagate BarraCuda ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives at $0.0660//GB. That is approximately 46% better value per gigabyte.
What is the price per GB of Seagate BarraCuda ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives?
The Seagate BarraCuda ST3000DM007 3TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives is currently priced at $0.0660/GB ($198.00 for 3TB) at Newegg.
Where can I buy 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive for the cheapest price?
The cheapest price for the 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive is $143.40 at Newegg, which works out to $0.0358/GB.