8GB Class 10 Micro SD Card Preloaded with NOOBS and 3 Piece Aluminum Heatsink for Raspberry Pi B+ NOOBS is a great way to get with many great OS's to choose from including Archlinux, OpenELEC, Pidora, RaspBMC, Raspbian and RiscOS. Great for beginners or advanced users! Protect your pi from overheating with these heatsinks. Simple installation.