The Buffalo DriveStation Duo 2-Drive 4TB External Hard Drive costs $0.0755/GB while the HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) costs $0.0323/GB. HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers 57% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Buffalo DriveStation Duo 2-Drive 4TB External Hard Drive vs HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) — Which Is Better Value?
Specification Comparison
| Spec | Buffalo DriveStation Duo 2-Drive 4TB External Hard Drive | HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) |
|---|---|---|
| Brand | Buffalo | HGST |
| Capacity | 4TB | 4TB |
| $/GB | $0.0755 | $0.0323 |
| Price | $301.99 | $129.10 |
| 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 Buffalo DriveStation Duo 2-Drive 4TB External Hard Drive at $0.0755//GB — that's roughly 57% 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 Buffalo DriveStation Duo 2-Drive 4TB External Hard Drive starts at $301.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Buffalo DriveStation Duo 2-Drive 4TB External Hard Drive and HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) product page for detailed specifications and price history.
Frequently Asked Questions
Is Buffalo DriveStation Duo 2-Drive 4TB External Hard Drive or HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) 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 Buffalo DriveStation Duo 2-Drive 4TB External Hard Drive at $0.0755//GB. That is approximately 57% better value per gigabyte.
What is the price per GB of Buffalo DriveStation Duo 2-Drive 4TB External Hard Drive?
The Buffalo DriveStation Duo 2-Drive 4TB External Hard Drive is currently priced at $0.0755/GB ($301.99 for 4TB) at Newegg.
Where can I buy HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) for the cheapest price?
The cheapest price for the HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) is $129.10 at Newegg, which works out to $0.0323/GB.