The HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) costs $0.0375/GB while the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver costs $0.0534/GB. HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers 30% better value per gigabyte as of August 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 LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver — Which Is Better Value?
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Specification Comparison
| Spec | HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) | LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver |
|---|---|---|
| Brand | HGST | LaCie |
| Capacity | 4TB | 4TB |
| $/GB | $0.0375 | $0.0534 |
| Price | $150.00 | $213.64 |
| 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 $0.0375//GB compared to the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver at $0.0534//GB — that's roughly 30% less per gigabyte.
The best deal for the HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) is $150.00 at Newegg, while the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver starts at $213.64 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 LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver 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 LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver a better deal?
As of August 2026, HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers better value at $0.0375//GB compared to LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver at $0.0534//GB. That is approximately 30% 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 $0.0375/GB ($150.00 for 4TB) at Newegg.
Where can I buy LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver for the cheapest price?
The cheapest price for the LaCie Mobile Drive STLP4000400 4TB USB-C Portable Hard Drive Moon Silver is $213.64 at Newegg, which works out to $0.0534/GB.