The Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004) costs $0.0420/GB while the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty costs $0.0375/GB. WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers 11% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004) vs WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004) | WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty |
|---|---|---|
| Brand | Seagate | GoHardDrive |
| Capacity | 4TB | 4 TB |
| $/GB | $0.0420 | $0.0375 |
| Price | $167.99 | $149.99 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers better value at $0.0375//GB compared to the Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004) at $0.0420//GB — that's roughly 11% less per gigabyte.
The best deal for the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty is $149.99 at Amazon, while the Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004) starts at $167.99 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 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004) and WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004) or WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty a better deal?
As of September 2026, WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers better value at $0.0375//GB compared to Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004) at $0.0420//GB. That is approximately 11% better value per gigabyte.
What is the price per GB of Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004)?
The Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004) is currently priced at $0.0420/GB ($167.99 for 4TB) at Newegg.
Where can I buy WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty for the cheapest price?
The cheapest price for the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty is $149.99 at Amazon, which works out to $0.0375/GB.