Fastest iclever wall charger for 801 snapdragon

[AC Question]

My HTC One m8 supports the Qualcomm 2.0 QC. I would think I need the best 2.0 wall charger but if there's a 3.0 QC charger that would be better than the 2.0 but compatible with the 801 snapdragon please let me know. THANK YOU