How to upgrade Apple MacBook Pro (ME664LL/A) with Retina Display? (Harddrive, RAM)

Hey Guys,

i just brought an new Macbook Pro with Retina Display. (ME664LL/A) Nevertheless i want to change some components, especially speaking about my harddrive and the RAM. I asked myself above the upgradability on my new Macbook.

Hope everythings good, appreciate to hear something from you.

Thanks in advance. 🙂

Kind Regards

Nico