So the RAM on my Asus X99-A Motherboard is only willing to detect 3/4 sticks. Yes, I have checked its not my RAM , yes I have conducted a MEMtest. Yes I have tried replacing the RAM. This appears to be a common problem and I was wondering if there have been any updates. It occasionally detects all sticks and runs at 16gb, but then crashes and fails to load for about 4-7 boots each time this occurs. I have also performed a bios update which temporarily works but then just crashes and fails to detect the sticks again. Any solutions would be greatly appreciated. Thanks. CMK16GX4M4A2133C13 - 16GB (4x4GB) Corsair DDR4 Vengeance LPX Black PC4-17000 (2133), Non-ECC Unbuffered, CAS 13-15-15-28, XMP 2.0, 1.2V