Forgot to mention, for anyone trying this, it will likely not work the way you think it will with these adapters. The m.2 and another x4 slot will see each other as separate and will not handle as if it were an x8 slot, it will work like an x4x4 slot. My bad for not mentioning this, but I saw another post that was similar to this one here and thought I might revisit this.
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