U3 vs U1 SD Card Ratings: What's the Difference? - Lapse of the Shutter
Are high-speed/high-capacity (A1, A2, U3) microSD cards worth it for Android? With Black Friday and Cyber Monday deals coming up, I (re)tested 5 of those and 2 older ones in 3 quite
Buyer's guide: Getting the right microSD card - HardwareZone.com.sg