The SanDisk Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty costs $0.3119/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 73% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty 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 Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty | 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 | 256GB | 512GB |
| $/GB | $0.3119 | $0.0840 |
| Price | $79.85 | $42.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
SanDisk Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty
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 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 Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty at $0.3119//GB — that's roughly 73% 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 Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty starts at $79.85 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty 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 Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty 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 Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty at $0.3119//GB. That is approximately 73% better value per gigabyte.
What is the price per GB of SanDisk Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty?
The SanDisk Extreme Go USB 3.2 Drive - 256 GB - USB 3.2 - 400 MB/s Read Speed - 240 MB/s Write Speed - 128-bit AES - Lifetime Warranty is currently priced at $0.3119/GB ($79.85 for 256GB) at Newegg.
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.