The 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 costs $0.0212/GB while the HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) costs $0.0323/GB. 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 offers 34% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 vs HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) — Which Is Better Value?
Specification Comparison
| Spec | 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 | HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) |
|---|---|---|
| Brand | HP | HGST |
| Capacity | 4TB | 4TB |
| $/GB | $0.0212 | $0.0323 |
| Price | $84.65 | $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 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 offers better value at $0.0212//GB compared to the HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) at $0.0323//GB — that's roughly 34% less per gigabyte.
The best deal for the 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 is $84.65 at Newegg, while the HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) starts at $129.10 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 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 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 or HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) a better deal?
As of June 2026, 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 offers better value at $0.0212//GB compared to HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) at $0.0323//GB. That is approximately 34% better value per gigabyte.
What is the price per GB of 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004?
The 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 is currently priced at $0.0212/GB ($84.65 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.