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 while the Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance costs $0.3281/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 70% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
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 vs Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance — Which Is Better Value?
Specification Comparison
| Spec | 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 | Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance |
|---|---|---|
| Brand | KingSpec | Kingston |
| Capacity | 512 GB | 240 GB |
| $/GB | $0.0996 | $0.3281 |
| Price | $50.99 | $78.75 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
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
Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance
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 Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance at $0.3281//GB — that's roughly 70% 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 Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance starts at $78.75 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 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 and Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance product page for detailed specifications and price history.
Frequently Asked Questions
Is 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 or Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance 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 Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance at $0.3281//GB. That is approximately 70% better value per gigabyte.
What is the price per GB of 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?
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 currently priced at $0.0996/GB ($50.99 for 512 GB) at Amazon.
Where can I buy Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance for the cheapest price?
The cheapest price for the Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance is $78.75 at Amazon, which works out to $0.3281/GB.