The Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive costs $0.0339/GB while the WD 6TB Silver My Passport Ultra for Portable Storage External Hard Drive USB-C for Mac (WDBGKC0060BSL-WESN) costs $0.0783/GB. Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers 57% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive vs WD 6TB Silver My Passport Ultra for Portable Storage External Hard Drive USB-C for Mac (WDBGKC0060BSL-WESN) — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive | WD 6TB Silver My Passport Ultra for Portable Storage External Hard Drive USB-C for Mac (WDBGKC0060BSL-WESN) |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 6TB | 6TB |
| $/GB | $0.0339 | $0.0783 |
| Price | $203.36 | $469.99 |
| 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 ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0339//GB compared to the WD 6TB Silver My Passport Ultra for Portable Storage External Hard Drive USB-C for Mac (WDBGKC0060BSL-WESN) at $0.0783//GB — that's roughly 57% less per gigabyte.
The best deal for the Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is $203.36 at Newegg, while the WD 6TB Silver My Passport Ultra for Portable Storage External Hard Drive USB-C for Mac (WDBGKC0060BSL-WESN) starts at $469.99 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 BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive and WD 6TB Silver My Passport Ultra for Portable Storage External Hard Drive USB-C for Mac (WDBGKC0060BSL-WESN) product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive or WD 6TB Silver My Passport Ultra for Portable Storage External Hard Drive USB-C for Mac (WDBGKC0060BSL-WESN) a better deal?
As of July 2026, Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0339//GB compared to WD 6TB Silver My Passport Ultra for Portable Storage External Hard Drive USB-C for Mac (WDBGKC0060BSL-WESN) at $0.0783//GB. That is approximately 57% better value per gigabyte.
What is the price per GB of Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive?
The Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is currently priced at $0.0339/GB ($203.36 for 6TB) at Newegg.
Where can I buy WD 6TB Silver My Passport Ultra for Portable Storage External Hard Drive USB-C for Mac (WDBGKC0060BSL-WESN) for the cheapest price?
The cheapest price for the WD 6TB Silver My Passport Ultra for Portable Storage External Hard Drive USB-C for Mac (WDBGKC0060BSL-WESN) is $469.99 at Newegg, which works out to $0.0783/GB.