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 while the WD 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black costs $0.0475/GB. WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers 32% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty vs WD 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black — Which Is Better Value?

Specification Comparison

SpecWL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year WarrantyWD 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black
BrandGoHardDriveWestern Digital
Capacity4 TB4TB
$/GB$0.0325$0.0475
Price$129.99$189.99
RetailerAmazonNewegg
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

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

WD 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black

Newegg$0.0475//GB
$189.99Buy

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 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black at $0.0475//GB — that's roughly 32% 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 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black starts at $189.99 at Newegg.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty and WD 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black product page for detailed specifications and price history.

Frequently Asked Questions

Is WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty or WD 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black a better deal?

As of June 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 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black at $0.0475//GB. That is approximately 32% better value per gigabyte.

What is the price per GB of WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty?

The WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty is currently priced at $0.0325/GB ($129.99 for 4 TB) at Amazon.

Where can I buy WD 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black for the cheapest price?

The cheapest price for the WD 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black is $189.99 at Newegg, which works out to $0.0475/GB.

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