From my experience MEI error problem is solved after reset CMOS, if still error then just flash bios from EZ BIOS or USB Bios Flashback is better. But from my experience only reset cmos or pull 24 pin power for about 10s.
Testing Team Xtreem TForce 16GB 3600 16-16-16 OPB Edition is great! Tested on Asus Maximus VIII Gene
speed.fastest`s Geekbench3 Memory Performance Single Core score: 8051 points with a DDR4 SDRAM