Is this possible to build

[Matsku man]

Here are the specs i7 3930k,32gb ram,2x evga gtx 690 signature editions in quad sli,2x gtx 590 watercooled in quad sli,asus rampage iv extreme ,corsair cx 1500 watt psu,corsair 800d case and a 4tb sshd is this possble to build ?

 

[Vic 40]

2x evga gtx 690 signature editions in quad sli,2x gtx 590 watercooled in quad sli,

This should be a choice between one or the other.

 

[Matsku man]

2x evga gtx 690 signature editions in quad sli,2x gtx 590 watercooled in quad sli,

This should be a choice between one or the other.

Why ?