The WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty costs $0.0375/GB while the WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA costs $0.0800/GB. WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers 53% better value per gigabyte as of September 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 G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA — Which Is Better Value?

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Specification Comparison

SpecWL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year WarrantyWD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA
BrandGoHardDriveWestern Digital
Capacity4 TB4TB
$/GB$0.0375$0.0800
Price$149.99$319.99
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$0.0375//GB
$149.99Buy

WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA

Newegg$0.0800//GB
$319.99Buy

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 $0.0375//GB compared to the WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA at $0.0800//GB — that's roughly 53% 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 $149.99 at Amazon, while the WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA starts at $319.99 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 G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA 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 G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA a better deal?

As of September 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 $0.0375//GB compared to WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA at $0.0800//GB. That is approximately 53% 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 $0.0375/GB ($149.99 for 4 TB) at Amazon.

Where can I buy WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA for the cheapest price?

The cheapest price for the WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA is $319.99 at Newegg, which works out to $0.0800/GB.

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