The WD - Purple 4TB Surveillance Internal Hard Drive costs $0.0350/GB while the Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA costs $0.0454/GB. WD - Purple 4TB Surveillance Internal Hard Drive offers 23% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD - Purple 4TB Surveillance Internal Hard Drive vs Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA — Which Is Better Value?
WD - Purple 4TB Surveillance Internal Hard Drive
Specification Comparison
| Spec | WD - Purple 4TB Surveillance Internal Hard Drive | Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA |
|---|---|---|
| Brand | Western Digital | TOSHIBA |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0350 | $0.0454 |
| Price | $139.99 | $181.74 |
| Retailer | Best Buy | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WD - Purple 4TB Surveillance Internal Hard Drive offers better value at $0.0350//GB compared to the Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA at $0.0454//GB — that's roughly 23% less per gigabyte.
The best deal for the WD - Purple 4TB Surveillance Internal Hard Drive is $139.99 at Best Buy, while the Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA starts at $181.74 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD - Purple 4TB Surveillance Internal Hard Drive and Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - Purple 4TB Surveillance Internal Hard Drive or Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA a better deal?
As of June 2026, WD - Purple 4TB Surveillance Internal Hard Drive offers better value at $0.0350//GB compared to Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA at $0.0454//GB. That is approximately 23% better value per gigabyte.
What is the price per GB of WD - Purple 4TB Surveillance Internal Hard Drive?
The WD - Purple 4TB Surveillance Internal Hard Drive is currently priced at $0.0350/GB ($139.99 for 4 TB) at Best Buy.
Where can I buy Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA for the cheapest price?
The cheapest price for the Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA is $181.74 at Amazon, which works out to $0.0454/GB.