The Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024 costs $0.0395/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 18% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024 vs HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) — Which Is Better Value?
Specification Comparison
| Spec | Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024 | HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) |
|---|---|---|
| Brand | Seagate | HGST |
| Capacity | 4TB | 4TB |
| $/GB | $0.0395 | $0.0323 |
| Price | $157.99 | $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 Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024 at $0.0395//GB — that's roughly 18% 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 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024 starts at $157.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024 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 Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024 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 Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024 at $0.0395//GB. That is approximately 18% better value per gigabyte.
What is the price per GB of Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024?
The Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024 is currently priced at $0.0395/GB ($157.99 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.