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 SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black costs $0.2734/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 64% 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 SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black — 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 | SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black |
|---|---|---|
| Brand | KingSpec | SanDisk |
| Capacity | 512 GB | 512 GB |
| $/GB | $0.0996 | $0.2734 |
| Price | $50.99 | $139.99 |
| Retailer | Amazon | Best Buy |
| 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
SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black
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 SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black at $0.2734//GB — that's roughly 64% 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 SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black starts at $139.99 at Best Buy.
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 SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black 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 SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black 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 SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black at $0.2734//GB. That is approximately 64% 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 SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black for the cheapest price?
The cheapest price for the SANDISK - Extreme PRO 512GB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black is $139.99 at Best Buy, which works out to $0.2734/GB.