The Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) costs $0.0375/GB while the Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive costs $0.0550/GB. Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) offers 32% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) vs Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive — Which Is Better Value?
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Specification Comparison
| Spec | Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) | Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 4TB | 4TB |
| $/GB | $0.0375 | $0.0550 |
| Price | $150.00 | $220.00 |
| 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 XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) offers better value at $0.0375//GB compared to the Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive at $0.0550//GB — that's roughly 32% less per gigabyte.
The best deal for the Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) is $150.00 at Newegg, while the Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive starts at $220.00 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 XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) and Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) or Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive a better deal?
As of September 2026, Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) offers better value at $0.0375//GB compared to Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive at $0.0550//GB. That is approximately 32% better value per gigabyte.
What is the price per GB of Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000)?
The Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) is currently priced at $0.0375/GB ($150.00 for 4TB) at Newegg.
Where can I buy Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive for the cheapest price?
The cheapest price for the Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive is $220.00 at Newegg, which works out to $0.0550/GB.