The Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs costs $0.0782/GB while the Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 costs $0.0300/GB. Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 offers 62% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs vs Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 — Which Is Better Value?
Specification Comparison
| Spec | Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs | Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 |
|---|---|---|
| Brand | Buffalo | Seagate |
| Capacity | 4TB | 4 TB |
| $/GB | $0.0782 | $0.0300 |
| Price | $312.67 | $119.99 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs
Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004
Which Should You Buy?
Based on current pricing data, the Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 offers better value at $0.0300//GB compared to the Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs at $0.0782//GB — that's roughly 62% less per gigabyte.
The best deal for the Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 is $119.99 at Amazon, while the Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs starts at $312.67 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs and Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 product page for detailed specifications and price history.
Frequently Asked Questions
Is Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs or Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 a better deal?
As of May 2026, Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 offers better value at $0.0300//GB compared to Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs at $0.0782//GB. That is approximately 62% better value per gigabyte.
What is the price per GB of Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs?
The Buffalo OP-HD4.0BN/B Op-Hdb/B Series - Hard Drive - 4 Tb - Internal - 3.5 Inch - Sata 6Gb/S - Nl - Rohs is currently priced at $0.0782/GB ($312.67 for 4TB) at Newegg.
Where can I buy Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 for the cheapest price?
The cheapest price for the Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 is $119.99 at Amazon, which works out to $0.0300/GB.