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 while the Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE costs $0.1754/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 52% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
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... vs Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE — Which Is Better Value?
Specification Comparison
| Spec | 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... | Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE |
|---|---|---|
| Brand | KingSpec | Silicon Power |
| Capacity | 512GB | 512GB |
| $/GB | $0.0840 | $0.1754 |
| Price | $42.99 | $89.79 |
| 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, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid...
Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE
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 Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE at $0.1754//GB — that's roughly 52% 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 Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE starts at $89.79 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, Thumb Drive 20Gbps USB 3.2 Gen 2, Type-C USSD Mobile Solid U Disk USB Flash External Solid... and Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE product page for detailed specifications and price history.
Frequently Asked Questions
Is 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... or Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE 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 Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE at $0.1754//GB. That is approximately 52% better value per gigabyte.
What is the price per GB of 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...?
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 currently priced at $0.0840/GB ($42.99 for 512GB) at Newegg.
Where can I buy Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE for the cheapest price?
The cheapest price for the Silicon Power Ace A55 2.5' 512GB SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE is $89.79 at Newegg, which works out to $0.1754/GB.