The 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 costs $0.0212/GB while the SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray costs $0.0800/GB. 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 offers 74% 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 SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray — Which Is Better Value?
Specification Comparison
| Spec | 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 | SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray |
|---|---|---|
| Brand | HP | G-DRIVE |
| Capacity | 4TB | 4 TB |
| $/GB | $0.0212 | $0.0800 |
| Price | $84.65 | $319.99 |
| Retailer | Newegg | Best Buy |
| 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 SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray at $0.0800//GB — that's roughly 74% 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 SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray starts at $319.99 at Best Buy.
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 SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray 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 SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray 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 SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray at $0.0800//GB. That is approximately 74% 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 SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray for the cheapest price?
The cheapest price for the SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray is $319.99 at Best Buy, which works out to $0.0800/GB.