The Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM costs $0.0375/GB while the Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal costs $0.0750/GB. Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM offers 50% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM vs Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM | Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 4TB | 4TB |
| $/GB | $0.0375 | $0.0750 |
| Price | $149.99 | $299.99 |
| 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 Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal at $0.0750//GB — that's roughly 50% 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 Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal starts at $299.99 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 ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM and Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM or Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal 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 Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal at $0.0750//GB. That is approximately 50% better value per gigabyte.
What is the price per GB of Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM?
The Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM is currently priced at $0.0375/GB ($149.99 for 4TB) at Newegg.
Where can I buy Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal for the cheapest price?
The cheapest price for the Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal is $299.99 at Newegg, which works out to $0.0750/GB.