the board is solid

I purchased 1 sample then 10 then another 10

so 21 boards 1 dud

and I believe the buyer forced a ddr3 stick into it first then the correct ddr4

there are more then one build with it on my thread  and here is my youtube on it

https://www.youtube.com/watch?v=eLtnz9ip3o8

https://www.youtube.com/watch?v=feXukc1d39Y

https://www.youtube.com/watch?v=YjIG9oebnW0

the seller allowed paypal.

about 180usd for 1 sample

about 1430usd for a 10 pack

here it is with extra fan cooling
https://bitcointalk.org/index.php?topic=2138550.msg26678847#msg26678847