The 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive costs $0.0358/GB while the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) costs $0.0585/GB. 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive offers 39% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive vs Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) — Which Is Better Value?

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Specification Comparison

Spec4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard DriveWestern Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ)
BrandToshibaWestern Digital
Capacity4TB4TB
$/GB$0.0358$0.0585
Price$143.40$233.94
RetailerNeweggNewegg
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive

Newegg$0.0358//GB
$143.40Buy

Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ)

Newegg$0.0585//GB
$233.94Buy
Newegg$0.0592//GB
$236.90Buy
Newegg$0.0600//GB
$239.99Buy

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 Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) at $0.0585//GB — that's roughly 39% 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 Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) starts at $233.94 at Newegg.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive and Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) product page for detailed specifications and price history.

Frequently Asked Questions

Is 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive or Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) 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 Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) at $0.0585//GB. That is approximately 39% better value per gigabyte.

What is the price per GB of 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive?

The 4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive is currently priced at $0.0358/GB ($143.40 for 4TB) at Newegg.

Where can I buy Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) for the cheapest price?

The cheapest price for the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ) is $233.94 at Newegg, which works out to $0.0585/GB.

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