The Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) costs $0.0350/GB while the WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black costs $0.0567/GB. Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) offers 38% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) vs WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black — Which Is Better Value?
WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black
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Specification Comparison
| Spec | Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) | WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 5 TB | 6 TB |
| $/GB | $0.0350 | $0.0567 |
| Price | $175.00 | $339.99 |
| Retailer | Amazon | Best Buy |
| 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 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) offers better value at $0.0350//GB compared to the WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black at $0.0567//GB — that's roughly 38% less per gigabyte.
The best deal for the Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) is $175.00 at Amazon, while the WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black starts at $339.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) and WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) or WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black a better deal?
As of August 2026, Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) offers better value at $0.0350//GB compared to WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black at $0.0567//GB. That is approximately 38% better value per gigabyte.
What is the price per GB of Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000)?
The Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) is currently priced at $0.0350/GB ($175.00 for 5 TB) at Amazon.
Where can I buy WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black for the cheapest price?
The cheapest price for the WD - My Passport 6TB External USB 3.0 Portable Hard Drive - Black is $339.99 at Best Buy, which works out to $0.0567/GB.