Just installed and built my new rig but it wont even POST when I powered it on for the first time. It turns on for a brief second then restarts all over in an endless cycle. I thought that it might be the Corsair 128GB 2800MHz kit so I removed 64GB and it still wont POST, only turning on then off again like before even only tried with 1 16GB Stick installed in slot 1. Then I thought that it might be my ASUS ROG RAIDR PCI-E SSD which is installed in Slot 6 so I removed it but still the same thing.

+1 
 
Had similar problem once. Everything was good at first glance, but then I discovered that on piece of wood everything was working but inside case did something like yours (although it was before X99 times). Small piece of I/O shield slotted not properly and it was enough. Since then always testing everything before putting it inside.

I agree, one of your connections is shorting - "like a fan connected to wrong pins or something." It happened to me when I tried to connect my fan connector to PWR pins. Immediate removed it after powering off and it posted fine.

Are you up and running now, or are there still some issues?  We are here to help if you are not 100% yet.

Just check with EVGA's MB compatibility list. 

I had the same issue and it ended up being the Corsair power supply. When I swapped in the new EVGA power supply it worked fine. 

Flava0ne

raymondb04
I had the same issue and it ended up being the Corsair power supply. When I swapped in the new EVGA power supply it worked fine. 

Well I definitely know that it is not my power supply because it's what I'm using right now on my X58 platform that I put back together for the moment until I can get my new system to work properly.
 
EDIT: Doesn't the X99 Classified have a removable BIOS chip? If so, would it be possible to get one with the latest version to simply swap it in?

 
The old AX1200 PSU's AFAIK weren't an issue with X99.  The "AXi" series from an old batch before the firmware got updated was.  I had a blowout after a few attempts trying to get the BIOS to display, still not sure if it was the MB or the PSU but all signs point to the PSU but everything is running up to speed now with the updated PSU, RMA'd MB and GPU, etc.
 
The BIOS chip is removable but again AFAIK, EVGA techs are allowed to swap it I believe.  Can't recall but I feel that was said to me on the phone last I spoke to a tech when I had issues with the MB late last year during the blow out.  The good thing is, it is removable so it doesn't necessarily make the MB totally useless if there were a massive catastrophic BIOS failure, plus you have 3 different ones to choose from.

Flava0ne
Well, I was able to update the BIOS on the mobo using that memory module that I purchased earlier and now everything is up and running. Just installing Windows now on it. EVGA might want to update their memory compatibility list for the mobo because mines are now totally working fine.

Glad to hear you are working as intended now.  As for testing, that is actually something done by engineering, as there are some pretty strenuous tests we run before we say it will work for sure.  But I will pass your testing results and the part number of your RAM over to our engineering to see about getting it marked as officially supported.