The WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D costs $0.0755/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 $0.0350/GB. WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers 54% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D 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?
WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D
Specification Comparison
| Spec | WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D | WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty |
|---|---|---|
| Brand | Western Digital | GoHardDrive |
| Capacity | 4TB | 4 TB |
| $/GB | $0.0755 | $0.0350 |
| Price | $301.99 | $139.99 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
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 $0.0350//GB compared to the WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D at $0.0755//GB — that's roughly 54% 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 $139.99 at Amazon, while the WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D starts at $301.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D 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 G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D 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 July 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 $0.0350//GB compared to WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D at $0.0755//GB. That is approximately 54% better value per gigabyte.
What is the price per GB of WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D?
The WD G-DRIVE ArmorATD 4TB 2.5' Portable Rugged Hard Drive SDPH81G004TGBA1D is currently priced at $0.0755/GB ($301.99 for 4TB) at Newegg.
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 $139.99 at Amazon, which works out to $0.0350/GB.