The Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More costs $0.1300/GB while the Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH costs $0.2304/GB. Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More offers 44% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More vs Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH — Which Is Better Value?
Specification Comparison
| Spec | Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More | Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH |
|---|---|---|
| Brand | Vansuny | SP Silicon Power |
| Capacity | 500 GB | 256 GB |
| $/GB | $0.1300 | $0.2304 |
| Price | $64.99 | $58.97 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More
Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH
Which Should You Buy?
Based on current pricing data, the Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More offers better value at $0.1300//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 $0.2304//GB — that's roughly 44% less per gigabyte.
The best deal for the Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More is $64.99 at Amazon, while the Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH starts at $58.97 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More and Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH product page for detailed specifications and price history.
Frequently Asked Questions
Is Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More or Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH a better deal?
As of May 2026, Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More offers better value at $0.1300//GB compared to Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH at $0.2304//GB. That is approximately 44% better value per gigabyte.
What is the price per GB of Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More?
The Vansuny 500GB Portable External SSD, USB 3.1 Gen2 450MB/s High-Speed Data Transfer, Metal USB C Mini Portable External Solid State Drive for PC, Laptop, Phones and More is currently priced at $0.1300/GB ($64.99 for 500 GB) at Amazon.
Where can I buy Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH for the cheapest price?
The cheapest price for the Silicon Power 256GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" Internal Solid State Drive SU256GBSS3A55S25AH is $58.97 at Amazon, which works out to $0.2304/GB.