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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade costs $0.2888/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 55% 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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade — Which Is Better Value?

Specification Comparison

SpecVansuny 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 MoreKingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade
BrandVansunyKingSpec
Capacity500 GB128 GB
$/GB$0.1300$0.2888
Price$64.99$36.97
RetailerAmazonAmazon
CategorySSDs & NVMe DrivesSSDs & NVMe Drives
Subcategoryssdssd

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

Amazon$0.1300//GB
$64.99Buy

KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade

Amazon$0.2888//GB
$36.97Buy

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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade at $0.2888//GB — that's roughly 55% 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 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 $36.97 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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade 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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade 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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade at $0.2888//GB. That is approximately 55% 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 KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade for the cheapest price?

The cheapest price for 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 $36.97 at Amazon, which works out to $0.2888/GB.

Compare With Similar Products