The Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH costs $0.1913/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 56% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH 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 | Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH | 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 | SP Silicon Power | KingSpec |
| Capacity | 256 GB | 512GB |
| $/GB | $0.1913 | $0.0840 |
| Price | $48.97 | $42.99 |
| Retailer | Amazon | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH
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 Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH at $0.1913//GB — that's roughly 56% 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 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH starts at $48.97 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH 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 Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH 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 Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH at $0.1913//GB. That is approximately 56% better value per gigabyte.
What is the price per GB of Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH?
The Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH is currently priced at $0.1913/GB ($48.97 for 256 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.