990FX-GD80 and FX-8350 System not Stable with Default Settings - BSOD or Lockup

Question

Bios = 11.13
Ram = Viper 3 Series, DDR3 32GB (4 x 8GB) 2133MHz Quad Kit 1.5v
Video = Geforce GTX460
Power Supply = Corsair TX850M
OS = Windows 7 x64
I had some issues setting up the OS initially and because the system drive was Raid 1, I needed to create a boot-able USB key to do the install.
When I installed the OS, I had an AMD Phenom II 1090 installed and bios version was 11.12.
I had a few BSODs during setup and after wards, but not too frequent.  I can't recall if I made many changes the bios at this time (possibly disabled C6 state and CoolnQuite).
When I had purchase the FX8350, the bios was upgraded prior to install the CPU being installed.
When the system booted, it failed during the windows experience index test.  Some times the test would crash at random points, or the system would freeze and even the
occasionally BSOD when the test made it to the CPU performance index.
I had tried the OC Gennie in the beginning too, but it did not work out.  The system would lockup while loading windows.
Too bad.
I decided to shut off all power saving features in the bios and after that I still had some issues with the the Windows Experience Index test.
The system was much more stable when Turbo boost was disabled, but I still had the occasional lockup and BSOD under load (Fallout Vegas or Handbrake encoding media).
With the CPU Core voltage set to auto, and power saving disabled, the core voltage would read 1.288v under no load
and drop below 1.25 during the Windows Experience Index.
I have manually set the CPU voltage in bios.  Currently it is at 1.328 and measures 1.304 when the system is not loaded.
DDR3 Ram voltage is set to 1.58v and measures at 1.552.
I am using Open Hardware Monitor to get this info.  You need to enable hidden voltages to view the DDR3 voltage which is labeled Voltage #3.
Under load the CPU voltage drops to 1.288 and lower.
When I have been running Windows Experience Index, the CPU only seems to hit 75% maximum usage
during the CPU test while the CPU core voltage drops to 1.264.
I would like to over clock the system but I am concerned now.  The mother board is rated at 140w for the CPU and the CPU is
rated at 125W, and from what I have read, overclocking with this CPU would exceed the boards 140w rating.
Because of the fluctuating CPU Core voltages (with power saving features disabled) , I thought that the motherboard may have a fault
so sent it back to the vendor for replacement.  I now have a second board and it is performing the same as the first.
Older systems I have owned usually just worked, an so I am wondering what others are experiencing with this combination of
CPU and motherboard.  I am considering sending both CPU and motherboard back to vendor and switching to an Intel CPU.

Answer 1

Improvement of what?
If you want to know the voltages for sure, then take a volt-meter and measure them.
The readings you see in software and BIOS are not much more then an indication at best.
It's not an checked and verified precision reading.
And yes, voltages fluctuate, if they don't your board is dead
Anybody with electronic skills will tell you this.
As for memory, you may want to read this: http://www.guru3d.com/articles_pages/amd_fx_8350_processor_review,3.html
The CPU supports 1866 DDR3, but what they never tell is that this is with 2 ranks per channel, ergo 1 double sided stick of 2 single sided sticks.
Have you tried running with 1333 or 1600? Because you have 4 large sticks it for sure can't do 2133 and I doubt it can sustain 1866.
This is not a board problem but CPU limitation.