Hello I have a question regarding Maximus VII Hero mobo.
Will it fit 2x R9 280x / 7970 Matrix Platinum Crossfire with standard cooling (not ekwb blocks)? Will there be enough space for the air flow between the cards ?

looks a bit tight
😉
M7H / Matrix 7970 P (flashed to R9 280x Matrix P) + 2 x DELL U2713HM / i7 4790k + h100i push&pull / 3 x Kingston 3k SSD 120GB / 1 x Corsair ForceGT 120GB / TridentX 2400 2x8gb / Corsair Graphite 600t case + AX1200i + NZXT IU01 + Bitfenix USB3.0 internal adapter