The PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB) costs $0.2200/GB while the KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops costs $0.0996/GB. KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops offers 55% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB) vs KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops — Which Is Better Value?
Specification Comparison
| Spec | PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB) | KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops |
|---|---|---|
| Brand | PNY | KingSpec |
| Capacity | 250 GB | 512 GB |
| $/GB | $0.2200 | $0.0996 |
| Price | $54.99 | $50.99 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB)
KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops
Which Should You Buy?
Based on current pricing data, the KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops offers better value at $0.0996//GB compared to the PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB) at $0.2200//GB — that's roughly 55% less per gigabyte.
The best deal for the KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops is $50.99 at Amazon, while the PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB) starts at $54.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB) and KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops product page for detailed specifications and price history.
Frequently Asked Questions
Is PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB) or KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops a better deal?
As of May 2026, KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops offers better value at $0.0996//GB compared to PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB) at $0.2200//GB. That is approximately 55% better value per gigabyte.
What is the price per GB of PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB)?
The PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB) is currently priced at $0.2200/GB ($54.99 for 250 GB) at Amazon.
Where can I buy KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops for the cheapest price?
The cheapest price for the KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops is $50.99 at Amazon, which works out to $0.0996/GB.