was thinking these, but any reason higher mhz is cheaper supply im guessing https://www.amazon.com/Kingston-HyperX-FURY-2x8GB-1866MHz/dp/B00J8E8Y5C/ref=s9_simh_gw_g147_i1_r?_encoding=UTF8&fpl=fresh&pf_rd_m=ATVPDKIKX0DER&pf_rd_s=&pf_rd_r=BX6VT7TNRJWEP1PFNNGY&pf_rd_t=36701&pf_rd_p=1cded295-23b4-40b1-8da6-7c1c9eb81d33&pf_rd_i=desktop