The WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue costs $0.0437/GB while the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty costs $0.0325/GB. WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers 26% better value per gigabyte as of May 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 WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty — Which Is Better Value?

Best Price$174.99
RetailerBest Buy
$/GB$0.0437
Rating4.6 (610 reviews)
Buy at Best Buy — $174.99

Specification Comparison

SpecWD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - BlueWL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty
BrandWestern DigitalGoHardDrive
Capacity4 TB4 TB
$/GB$0.0437$0.0325
Price$174.99$129.99
RetailerBest BuyAmazon
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$0.0437//GB
$174.99Buy

WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty

Amazon$0.0325//GB
$129.99Buy

Which Should You Buy?

Based on current pricing data, the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers better value at $0.0325//GB compared to the WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue at $0.0437//GB — that's roughly 26% less per gigabyte.

The best deal for the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty is $129.99 at Amazon, while the WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue starts at $174.99 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 WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty 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 WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty a better deal?

As of May 2026, WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers better value at $0.0325//GB compared to WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive - Blue at $0.0437//GB. That is approximately 26% 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 $0.0437/GB ($174.99 for 4 TB) at Best Buy.

Where can I buy WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty for the cheapest price?

The cheapest price for the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty is $129.99 at Amazon, which works out to $0.0325/GB.

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