The Seagate 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' Laptop Internal Hard Drive ST500LM030 costs $0.0920/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 61% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' Laptop Internal Hard Drive ST500LM030 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 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' Laptop Internal Hard Drive ST500LM030 | 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Toshiba |
| Capacity | 500GB | 4TB |
| $/GB | $0.0920 | $0.0358 |
| Price | $45.99 | $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 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' Laptop Internal Hard Drive ST500LM030 at $0.0920//GB — that's roughly 61% 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 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' Laptop Internal Hard Drive ST500LM030 starts at $45.99 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 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' Laptop Internal Hard Drive ST500LM030 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 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' Laptop Internal Hard Drive ST500LM030 or 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive a better deal?
As of August 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 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' Laptop Internal Hard Drive ST500LM030 at $0.0920//GB. That is approximately 61% better value per gigabyte.
What is the price per GB of Seagate 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' Laptop Internal Hard Drive ST500LM030?
The Seagate 500GB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' Laptop Internal Hard Drive ST500LM030 is currently priced at $0.0920/GB ($45.99 for 500GB) 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.