The WD - Purple 4TB Surveillance Internal Hard Drive costs $0.0262/GB while the KEXIN External SSD 512G USB C Portable SSD Up to 2000MB/s External Solid State Drive USB 3.2 Gen 2x2 Type-C Portable Solid State Drive for PC Mac Game Console costs $0.1660/GB. WD - Purple 4TB Surveillance Internal Hard Drive offers 84% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD - Purple 4TB Surveillance Internal Hard Drive vs KEXIN External SSD 512G USB C Portable SSD Up to 2000MB/s External Solid State Drive USB 3.2 Gen 2x2 Type-C Portable Solid State Drive for PC Mac Game Console — Which Is Better Value?
WD - Purple 4TB Surveillance Internal Hard Drive
Specification Comparison
| Spec | WD - Purple 4TB Surveillance Internal Hard Drive | KEXIN External SSD 512G USB C Portable SSD Up to 2000MB/s External Solid State Drive USB 3.2 Gen 2x2 Type-C Portable Solid State Drive for PC Mac Game Console |
|---|---|---|
| Brand | Western Digital | KEXIN |
| Capacity | 4 TB | 512 GB |
| $/GB | $0.0262 | $0.1660 |
| Price | $104.99 | $84.99 |
| Retailer | Best Buy | Amazon |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | hdd | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WD - Purple 4TB Surveillance Internal Hard Drive offers better value at $0.0262//GB compared to the KEXIN External SSD 512G USB C Portable SSD Up to 2000MB/s External Solid State Drive USB 3.2 Gen 2x2 Type-C Portable Solid State Drive for PC Mac Game Console at $0.1660//GB — that's roughly 84% less per gigabyte.
The best deal for the WD - Purple 4TB Surveillance Internal Hard Drive is $104.99 at Best Buy, while the KEXIN External SSD 512G USB C Portable SSD Up to 2000MB/s External Solid State Drive USB 3.2 Gen 2x2 Type-C Portable Solid State Drive for PC Mac Game Console starts at $84.99 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 KEXIN External SSD 512G USB C Portable SSD Up to 2000MB/s External Solid State Drive USB 3.2 Gen 2x2 Type-C Portable Solid State Drive for PC Mac Game Console product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - Purple 4TB Surveillance Internal Hard Drive or KEXIN External SSD 512G USB C Portable SSD Up to 2000MB/s External Solid State Drive USB 3.2 Gen 2x2 Type-C Portable Solid State Drive for PC Mac Game Console a better deal?
As of April 2026, WD - Purple 4TB Surveillance Internal Hard Drive offers better value at $0.0262//GB compared to KEXIN External SSD 512G USB C Portable SSD Up to 2000MB/s External Solid State Drive USB 3.2 Gen 2x2 Type-C Portable Solid State Drive for PC Mac Game Console at $0.1660//GB. That is approximately 84% 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 $0.0262/GB ($104.99 for 4 TB) at Best Buy.
Where can I buy KEXIN External SSD 512G USB C Portable SSD Up to 2000MB/s External Solid State Drive USB 3.2 Gen 2x2 Type-C Portable Solid State Drive for PC Mac Game Console for the cheapest price?
The cheapest price for the KEXIN External SSD 512G USB C Portable SSD Up to 2000MB/s External Solid State Drive USB 3.2 Gen 2x2 Type-C Portable Solid State Drive for PC Mac Game Console is $84.99 at Amazon, which works out to $0.1660/GB.