The WD - easystore 1TB External USB 3.0 Portable SSD - Black costs $0.1050/GB while the PNY CS900 500GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-500-RB) costs $0.2040/GB. WD - easystore 1TB External USB 3.0 Portable SSD - Black offers 49% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD - easystore 1TB External USB 3.0 Portable SSD - Black vs PNY CS900 500GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-500-RB) — Which Is Better Value?
WD - easystore 1TB External USB 3.0 Portable SSD - Black
Specification Comparison
| Spec | WD - easystore 1TB External USB 3.0 Portable SSD - Black | PNY CS900 500GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-500-RB) |
|---|---|---|
| Brand | Western Digital | PNY |
| Capacity | 1 TB | 500 GB |
| $/GB | $0.1050 | $0.2040 |
| Price | $104.99 | $101.99 |
| Retailer | Best Buy | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WD - easystore 1TB External USB 3.0 Portable SSD - Black offers better value at $0.1050//GB compared to the PNY CS900 500GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-500-RB) at $0.2040//GB — that's roughly 49% less per gigabyte.
The best deal for the WD - easystore 1TB External USB 3.0 Portable SSD - Black is $104.99 at Best Buy, while the PNY CS900 500GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-500-RB) starts at $101.99 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 - easystore 1TB External USB 3.0 Portable SSD - Black and PNY CS900 500GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-500-RB) product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - easystore 1TB External USB 3.0 Portable SSD - Black or PNY CS900 500GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-500-RB) a better deal?
As of May 2026, WD - easystore 1TB External USB 3.0 Portable SSD - Black offers better value at $0.1050//GB compared to PNY CS900 500GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-500-RB) at $0.2040//GB. That is approximately 49% better value per gigabyte.
What is the price per GB of WD - easystore 1TB External USB 3.0 Portable SSD - Black?
The WD - easystore 1TB External USB 3.0 Portable SSD - Black is currently priced at $0.1050/GB ($104.99 for 1 TB) at Best Buy.
Where can I buy PNY CS900 500GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-500-RB) for the cheapest price?
The cheapest price for the PNY CS900 500GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-500-RB) is $101.99 at Amazon, which works out to $0.2040/GB.