Help choosing a new Micro SDHC card, class?

[solorize]

Hi,

I wonder if someone can point me in the right direction of which Micro SDHC card & class (i.e 2, 4, 6 or 10) I should get to replace my current Samsung 8 GB Class 2 card. As this card keep un-mounting itself repeatedly. And I would like to have some more space.

I have looked on google etc.. but I have ended up even more confused as some people say you should stick with a Class 2 card, while others suggest going to a Class 10 card.

I am looking to get storage of 32gb, and think I will go for a Sandisk card,
but its just the Class I am not sure about.

(i've just found this one SanDisk microSDHC 32GB Card: Amazon.co.uk: Computers & Accessories on Amazon would this be OK?)

If someone can confirm which one to go with it would be much appreciated.

BTW. my phone is the HTC Sensation.

 

[GrauGeist]

My understanding is that microSDHC Class 4 is fine.

 

[finalfantasy7]

Depends how many times will you transfer files to your phones-how big files.
Class means read/write speed, larger the class number the faster the file will transfer.

Only get a class 10 if you transfer big files and do it on a regular basis. Like gb/high mb files