The HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) costs $0.0323/GB while the Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black costs $0.0425/GB. HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers 24% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) vs Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black — Which Is Better Value?
Specification Comparison
| Spec | HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) | Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black |
|---|---|---|
| Brand | HGST | Seagate |
| Capacity | 4TB | 4TB |
| $/GB | $0.0323 | $0.0425 |
| Price | $129.10 | $169.99 |
| 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 HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers better value at $0.0323//GB compared to the Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black at $0.0425//GB — that's roughly 24% less per gigabyte.
The best deal for the HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) is $129.10 at Newegg, while the Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black starts at $169.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) and Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black product page for detailed specifications and price history.
Frequently Asked Questions
Is HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) or Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black a better deal?
As of June 2026, HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers better value at $0.0323//GB compared to Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black at $0.0425//GB. That is approximately 24% better value per gigabyte.
What is the price per GB of HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600)?
The HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) is currently priced at $0.0323/GB ($129.10 for 4TB) at Newegg.
Where can I buy Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black for the cheapest price?
The cheapest price for the Seagate 4TB One Touch Portable Hard Drive USB 3.0 Model STKZ4000400 Black is $169.99 at Newegg, which works out to $0.0425/GB.