The Seagate ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive costs $0.0468/GB while the Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0345/GB. Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers 26% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive vs Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | Seagate ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive | Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 6TB | 6TB |
| $/GB | $0.0468 | $0.0345 |
| Price | $280.70 | $206.97 |
| 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 offers better value at $0.0345//GB compared to the Seagate ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive at $0.0468//GB — that's roughly 26% 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 is $206.97 at Newegg, while the Seagate ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive starts at $280.70 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 ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive and Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive or Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of July 2026, Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0345//GB compared to Seagate ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive at $0.0468//GB. That is approximately 26% better value per gigabyte.
What is the price per GB of Seagate ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive?
The Seagate ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive is currently priced at $0.0468/GB ($280.70 for 6TB) at Newegg.
Where can I buy Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive for the cheapest price?
The cheapest price for the Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $206.97 at Newegg, which works out to $0.0345/GB.