https://www.amazon.com/gp/aw/d/B00SXXLC4O/ref=mp_s_a_1_1?ie=UTF8&qid=1476375346&sr=8-1&pi=AC_SX236_SY340_FMwebp_QL65&keywords=lexar+64gb+two+pack
This should do plenty especially if you do a lot of video :)