The HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) costs $0.0323/GB while the Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal costs $0.0938/GB. HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers 66% 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 Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal — Which Is Better Value?
Specification Comparison
| Spec | HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) | Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal |
|---|---|---|
| Brand | HGST | Seagate |
| Capacity | 4TB | 4TB |
| $/GB | $0.0323 | $0.0938 |
| Price | $129.10 | $375.10 |
| 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 Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal at $0.0938//GB — that's roughly 66% 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 Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal starts at $375.10 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 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 HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) or Seagate Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal 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 Exos 7E8 ST4000NM002A 4 TB Hard Drive - 512e Format - SATA (SATA/600) - Internal at $0.0938//GB. That is approximately 66% 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 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 $375.10 at Newegg, which works out to $0.0938/GB.