Marcos "proletariat"
The only company capable of making a reliable micro SD at 64 gigs. In all reality they are the only company capable of making a fully reliable SD card period, of any size and type. Despite the Galaxy phone issues, this card has excellent read spead, format speed, and decent write speed. I upgraded from my 32gig SanDisk (that I paid a mere 20 bucks for!) in my smart phone to this and had absolutely no issues.As a complete side note, I'm amazed at the capability to fit 64 gigs on a micro SD. I love it. My friend runs a tiny homemade built PC off of a 16 gig Sandisk as the harddrive and it works brilliantly.