The WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue costs $0.0637/GB while the 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 costs $0.0212/GB. 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 offers 67% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue vs 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 — Which Is Better Value?

Best Price$254.99
RetailerBest Buy
$/GB$0.0637
Rating4.6 (611 reviews)
Buy at Best Buy — $254.99

Specification Comparison

SpecWD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004
BrandWestern DigitalHP
Capacity4 TB4TB
$/GB$0.0637$0.0212
Price$254.99$84.65
RetailerBest BuyNewegg
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue

Best Buy$0.0637//GB
$254.99Buy

861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004

Newegg$0.0212//GB
$84.65Buy

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 WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue at $0.0637//GB — that's roughly 67% 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 WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue starts at $254.99 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 WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue and 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 product page for detailed specifications and price history.

Frequently Asked Questions

Is WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue or 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 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 WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue at $0.0637//GB. That is approximately 67% better value per gigabyte.

What is the price per GB of WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue?

The WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue is currently priced at $0.0637/GB ($254.99 for 4 TB) at Best Buy.

Where can I buy 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 for the cheapest price?

The cheapest price for the 861683-B21 HPE 4TB 7.2K 6Gbps 3.5' Midline SATA Hard Drive 861685-003 846522-004 is $84.65 at Newegg, which works out to $0.0212/GB.

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