Intel Motherboards : Samsung 950 pro m.2 raid 0 sleep problem

Hey guys and gals! I have an interesting dilemma that I have not been able to figure out. I have a pretty interesting system with an even more interesting problem. Here is what happens:

benchmarks:

After a clean boot I run ATTO disk benchmark or samsung magician on my samsung 950 pro 512 GB m.2 raid and get about 3 GB read and 3 GB write speeds. Great you say! Here is the problem... If i put the computer to sleep, and wake it back up then run the test I get about half of that speed at 1.5-1.6 GB read and write. Its like clockwork. Nothing to do with heat throttling because i can repeat this and it happens every time. There are also 4x 120mm fans on the side of my case lol.

It seems to me that there may be some sort of power setting or sleep setting that limits throughput. I haven't found a bios setting that makes sense though. All of the power settings i can think of (besides speedstep) are disabled. Also not sure if there is a setting for the type of sleep in this bios (s3, s4, s5 or whatever they are)

 Here is a list of things i have done:

-Disconnected all my other hard drives and CD drives leaving the raid as my only storage

-disconnected my only other pci device (7.1 sound card)

-disabled  hybrid sleep in windows power settings (computer wont actually wake after doing this, so it just makes it worse)

-updated bios to newly released 3.0 from 4/13/16. I believe i was at 2.6 or 2.8 before.

-disabled write caching buffer

Here are my specs