The SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black costs $0.1660/GB while the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... costs $0.0840/GB. KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... offers 49% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Note: These products are in different categories (USB Flash Drives vs SSDs & NVMe Drives). The comparison still works but keep the category difference in mind.
SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black vs KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... — Which Is Better Value?
Specification Comparison
| Spec | SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black | KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... |
|---|---|---|
| Brand | SanDisk | KingSpec |
| Capacity | 512 GB | 512GB |
| $/GB | $0.1660 | $0.0840 |
| Price | $84.99 | $42.99 |
| Retailer | Best Buy | Newegg |
| Category | USB Flash Drives | SSDs & NVMe Drives |
| Subcategory | usb-c | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... offers better value at $0.0840//GB compared to the SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black at $0.1660//GB — that's roughly 49% less per gigabyte.
The best deal for the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... is $42.99 at Newegg, while the SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black starts at $84.99 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 SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black and KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... product page for detailed specifications and price history.
Frequently Asked Questions
Is SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black or KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... a better deal?
As of June 2026, KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... offers better value at $0.0840//GB compared to SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black at $0.1660//GB. That is approximately 49% better value per gigabyte.
What is the price per GB of SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black?
The SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black is currently priced at $0.1660/GB ($84.99 for 512 GB) at Best Buy.
Where can I buy KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... for the cheapest price?
The cheapest price for the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... is $42.99 at Newegg, which works out to $0.0840/GB.