The KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade costs $0.1796/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 53% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade 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 | KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade | 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 | KingSpec | KingSpec |
| Capacity | 128 GB | 512GB |
| $/GB | $0.1796 | $0.0840 |
| Price | $22.99 | $42.99 |
| Retailer | Amazon | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade
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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade at $0.1796//GB — that's roughly 53% 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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade starts at $22.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade 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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade 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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade at $0.1796//GB. That is approximately 53% better value per gigabyte.
What is the price per GB of KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade?
The KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade is currently priced at $0.1796/GB ($22.99 for 128 GB) at Amazon.
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.