The WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA costs $0.0800/GB while the HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) costs $0.0375/GB. HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers 53% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA vs HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) — Which Is Better Value?
WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA
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Specification Comparison
| Spec | WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA | HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) |
|---|---|---|
| Brand | Western Digital | HGST |
| Capacity | 4TB | 4TB |
| $/GB | $0.0800 | $0.0375 |
| Price | $319.99 | $150.00 |
| 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 $0.0375//GB compared to the WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA at $0.0800//GB — that's roughly 53% 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 WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA starts at $319.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA 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 WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA or HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) a better deal?
As of September 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 WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA at $0.0800//GB. That is approximately 53% better value per gigabyte.
What is the price per GB of WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA?
The WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA is currently priced at $0.0800/GB ($319.99 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 $150.00 at Newegg, which works out to $0.0375/GB.