The KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... costs $0.1074/GB while the Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive costs $0.2327/GB. KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... offers 54% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... vs Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive — Which Is Better Value?
Specification Comparison
| Spec | KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... | Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive |
|---|---|---|
| Brand | KingSpec | Silicon Power |
| Capacity | 512GB | 128GB |
| $/GB | $0.1074 | $0.2327 |
| Price | $54.99 | $29.79 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data...
Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive
Which Should You Buy?
Based on current pricing data, the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... offers better value at $0.1074//GB compared to the Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive at $0.2327//GB — that's roughly 54% less per gigabyte.
The best deal for the KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... is $54.99 at Newegg, while the Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive starts at $29.79 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... and Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... or Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive a better deal?
As of July 2026, KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... offers better value at $0.1074//GB compared to Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive at $0.2327//GB. That is approximately 54% better value per gigabyte.
What is the price per GB of KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data...?
The KingSpec MomeStone 512GB Portable SSD up to 2000MB/s Read, Thumb Drive Metal USB 3.2 Type C USSD Mobile Solid U Disk External USB Flash Drives Data... is currently priced at $0.1074/GB ($54.99 for 512GB) at Newegg.
Where can I buy Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive for the cheapest price?
The cheapest price for the Silicon power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') Internal Solid State Drive is $29.79 at Newegg, which works out to $0.2327/GB.