Is my new 64GB's of DDR4 RAM bad after 2 days?

Thank you for checking my post. Sorry for length.
I'm trying to avoid verbose descriptions that waste your time, without being too concise, though.

At the time of writing this post, I can pass POST can I cannot boot. Nor can I get past any sort of Windows Startup Repair or even access a Windows boot disc without a BSOD or unresponsive lock-up.
I recently replaced all major hardware.


Context:
Two weeks ago, my computer started sporadically restarting all by itself with no warning.
After one day of trying different things to find a solution I could no longer even successfully boot to Windows.
During that day of testing, when MemTest could actually complete its tests (in between the random restarting) it reported no errors. RAM not the cause, apparently.
But strange issues stacked up and my computer became simply inoperable so I decided to abandon ship - I bought a new up-to-date motherboard which was incompatible with my CPU and RAM, so I bought a new CPU and RAM, too.

Surely $1K worth of new parts would solve ALL my problems, right? Wrong.

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Here's what I bought:

Motherboard
ASUS ROG MAXIMUS IX HERO

CPU
Intel Core™ i7-7700K Processor (8M Cache, up to 4.50 GHz)

RAM
64GB (4 sticks) of Corsair Dominator Platinum Series DDR4 DRAM 3000MHz

Cooling
I swapped out my computer case's two top 120mm fans for a Corsair H100i liquid CPU cooler.
It's doing great - CPU temp staying under 40°C.

Hard Drives
I did not replace any hard drives. They were, and are, all performing well still, to my knowledge.
I run two RAID arrays. Each array consists of two identical mechanical drives - 4 physical drives total.

PSU
EVGA 850watt GQ Power Supply (fully modular)


Anyway, so all the new parts came in, I installed them, got a successful POST pretty much instantly.
Left BIOS settings as very modest; didn't do any performance boosting/overclocking.
Needed Windows boot disc to go further.
I guess since I wasn't reinstalling my Windows 7 Ultimate, Windows threw a fit when it detected all the new hardware and it had to run startup repairs using the boot disc.
Finally got logged back into Windows for the first time after new motherboard etc and performance was HORRIBLE. After hours of installing new chipset drivers etc from the ASUS disc that came with the motherboard, everything appeared to be fine.

At this time, I did bump up the clocking a little bit in BIOS. Still no POST issues and got back into Windows just fine.
So . . . everything ran fine for 2 days, during which I used Photoshop, played Overwatch and League of Legends - no bad signs.

And then . . .
Woke up yesterday, checked computer - found only a black screen with a Windows cursor I could move around the screen. No start bar, task manager, etc. Nothing I did caused any response.
Pressed reset button. Booted back up (I forget if I then booted into Safe Mode at this time). The instant I typed my Windows login password and pressed ENTER, it blue screened.

That was the last time I saw Windows.
Still POSTs just fine, but all Windows Startup Repair attempts, or attempts to load a Windows boot disc result in either a BSOD or a complete lock-up and force me to power down or restart.

I snapped photos of all unique blue screens that happened yesterday
Combined into one long image, sorted chronologically, top is first, bottom is latest:
-http://i.imgur.com/AJYeULe.jpg-

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What I've tried, since.
I clearly need to reinstall Windows, etc, but do I have a more serious hardware failure to deal with first?

• 
  ■ Disconnected all unnecessaries (including case's front panel buttons and LEDs and USB ports) from the motherboard, leaving only: main power cable, CPU power cable, case fans, and the optical CD Drive.
  ■ Conducted tests using only one stick of RAM at a time.
  ■ Defaulted BIOS back to factory settings.
  ■ Used the "MEMOK!" button on my motherboard to auto tune RAM to a compatible configuration, even though my RAM never seemed to prevent POST.
  ■ Ran lots of MemTest86 tests, which freeze before they finish. But they do report millions of errors before my computer locks up.

Nothing's for sure, but it looks like my motherboard is ok.
RAM and CPU are my biggest suspects.

I'd like to share my MemTest v7.2 results:
Using the -CPU configuration options-, I told it to use only 1 of my 8 CPU's (which are just logical cores?) for the tests as a way to test the CPU chip, too (this was my idea - I'm not sure if it even works this way . . .).
The results are interesting: All but one core cannot start Test #5. Two cores freeze IMMEDIATELY no matter what, so far.
-Screenshot of MemTestv7.2's 14 Different Tests-
By default, MemTest runs through all 14 tests, starting with 0, on until 13. Then it repeats the whole process 3 times, since multiple passes is set to 4 by default.

First Round of Tests (done with RAM stick #1 alone plugged into primary DIMM slot)
Core# | Freezes at: [Test#]-[Percentage Completed]
0 | 4-100%
1 | 7-100%
2 | 0-0%
3 | 0-0%
4 | 4-100%
5 | 4-100%
6 | 3-100%
7 | 4-100%

All seem to freeze RIGHT before starting the next test; they get to 100% then everything stops/goes unresponsive. I'm forced to restart with restart button on motherboard.

Before I recorded the data above, I did earlier MemTest tests and they got a little further - they didn't freeze at Test #4 or #7, BUT they did all find errors. Millions of errors. Here's an example screenshot:
-http://i.imgur.com/cucAf2E.jpg-
(Notice the 500,000+ errors already logged. One test logged -over 28 million-.)

I had time to run two more rounds of tests on a few cores, still using that same RAM chip as before.
Core# | Freezes at: [Test#]-[Percentage Completed]
2 | 0-0%
3 | 0-0%
6 | 4-100%

Cores #2 and #3 giving same result! Not looking good for the CPU, right?

Last (incomplete) round, using same RAM chip:
Core# | Freezes at: [Test#]-[Percentage Completed]
2 | 0-0%
6 | 3-100%

Core #2 STILL not budging - freezes right as Test #0 starts.


Lastly, I did one more incomplete round using a different RAM chip in same primary DIMM slot:
Core# | Freezes at: [Test#]-[Percentage Completed]
0 | 3-100%
2 | 0-0%
3 | 0-0%

Both cores #2 and #3 still causing computer to freeze before any progress happens.
Does this not condemn the new CPU?

And what of the millions of errors reported during the MemTests . . ?

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Electricity
I've lived in the same house for 5 years. Home computer has used same wall outlet and electrical box breaker the whole time.
My surge protector is new and high enough capacity to handle what I'm throwing at it.
Though, as has been the case since I moved, it tells me there's a grounding fault. It's an old house with crappy grounding. Always been that way.

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It's a mess, but I'm hoping for a simple solution.

If you have ANY ideas, I'm all ears!


Thanks for reading.