The KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade costs $0.1562/GB while the Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red costs $0.1050/GB. Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red offers 33% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade vs Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red — Which Is Better Value?
Specification Comparison
| Spec | KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade | Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red |
|---|---|---|
| Brand | KingSpec | Vansuny |
| Capacity | 512 GB | 1 TB |
| $/GB | $0.1562 | $0.1050 |
| Price | $79.97 | $104.99 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade
Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red
Which Should You Buy?
Based on current pricing data, the Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red offers better value at $0.1050//GB compared to the KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade at $0.1562//GB — that's roughly 33% less per gigabyte.
The best deal for the Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red is $104.99 at Amazon, while the KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade starts at $79.97 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade and Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade or Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red a better deal?
As of May 2026, Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red offers better value at $0.1050//GB compared to KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade at $0.1562//GB. That is approximately 33% better value per gigabyte.
What is the price per GB of KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade?
The KingSpec 512GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade is currently priced at $0.1562/GB ($79.97 for 512 GB) at Amazon.
Where can I buy Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red for the cheapest price?
The cheapest price for the Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red is $104.99 at Amazon, which works out to $0.1050/GB.