The HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) costs $0.0323/GB while the Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) costs $0.0437/GB. HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers 26% 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 Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) — Which Is Better Value?
Specification Comparison
| Spec | HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) | Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) |
|---|---|---|
| Brand | HGST | Seagate |
| Capacity | 4TB | 4TB |
| $/GB | $0.0323 | $0.0437 |
| Price | $129.10 | $175.00 |
| 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 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 Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) at $0.0437//GB — that's roughly 26% 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 Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) starts at $175.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) and Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) 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 Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) 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 Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) at $0.0437//GB. That is approximately 26% 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 Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) for the cheapest price?
The cheapest price for the Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) is $175.00 at Newegg, which works out to $0.0437/GB.