The WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN) costs $0.0625/GB while the Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM costs $0.0375/GB. Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM offers 40% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN) vs Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM — Which Is Better Value?
Specification Comparison
| Spec | WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN) | Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 4TB | 4TB |
| $/GB | $0.0625 | $0.0375 |
| Price | $249.99 | $149.99 |
| 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 Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM offers better value at $0.0375//GB compared to the WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN) at $0.0625//GB — that's roughly 40% less per gigabyte.
The best deal for the Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM is $149.99 at Newegg, while the WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN) starts at $249.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN) and Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM product page for detailed specifications and price history.
Frequently Asked Questions
Is WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN) or Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM a better deal?
As of July 2026, Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM offers better value at $0.0375//GB compared to WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN) at $0.0625//GB. That is approximately 40% better value per gigabyte.
What is the price per GB of WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN)?
The WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN) is currently priced at $0.0625/GB ($249.99 for 4TB) at Newegg.
Where can I buy Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM for the cheapest price?
The cheapest price for the Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM is $149.99 at Newegg, which works out to $0.0375/GB.