I'm going to get a Xeon E5-1660 V3 and i have few options for mobo. Asrock Fatal1ty X99X Killer (246€), MSI X99A Mpower (252€), MSI X99A Gaming 7 (264€) or Asrock Fatal1ty X99X Killer USB 3.1 (270€). My requirements for mobo are ATX form factor, DR. Debug, red/black/(yellow) theme and a good mic output. My absolute max budget is 270€.