Hi Guys
I see you all talking about the Z87 Killer
i Have the Z87 EXTREME4, but i have the same issue, after i have put 3 cards in the 4th one will not be detected at all

i have tried the 2, 1, 1 setting for PCIE 16 slots , still wont work.
my board is set up like this , i am doing 2 direct connection and 2 USB raiser
for raiser cables i am using USB ones like this
http://www.ebay.com.au/itm/251427594175?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649 so i wont need jumper if i am correct?
1 PCIE x1 USB raiser
2 PCIE x16 Directly pluged in
3 PCIE x1
4 PCIE x16
5 PCI
6 PCIE x16 Directly plunged in
7 PCI
i put the 4th card (on usb raiser) in slot 4 or slot 1 it just wont work
can anyone help?
thank you