SSD to replace HDD

Hi, i'm thinking of upgrading my ram and HDD in my mid 2010 mac book pro. I'm going to chnage to a SSD would this one work? http://www.centrecom.com.au/catalog/7td120bw-customer-samsung-120gb-7td120bw-p-6 1686.html?sort=3a Also i dont need the space this laptop is only if im away and i need it i have a desktop with like 6tb of storage so it is only for casual use. also what ram would you recomend 8gb prefered.