It is class 10, Kingston is a good brand IMO.
While class 10, the card is slower than the packaging suggests.
This is a Class 10 SDHC memory card. Class 10 means your PC should be able to write to it at a rate faster than 10MB per second. Higher class ratings are better especially for photography and Windows 7 Readyboost.
On the packaging Kingston claims 20MB/s Read, and 15MB/s...
Read full review »