i have a new 2013 macbook air and a new airport time capsule, i got it for of course the AC speed and i need a mass storage hard drive. my macbook air tops out at 30 mbps give or take on a speediest.net test no matter what i do. Both my HTC one and Nexus 7 get in the low 40 Mbps range when i perform the same exact test from the same server. i am aware of a file transfer issue with Mac OS and AC wifi but to my knowledge there was not an issue with internet speeds??