PCIe Riser Cards / splitters

XMan

Lifer
Oct 9, 1999
12,513
49
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I am using an ML07B mini-ITX case. So I have one physical card slot, though I have two expansion slots (case supports dual slot graphics). I was wondering if such a riser card - or even a flex cable PCIe splitter - exists that would allow me to use a single-slot graphics card and a M.2-PCIe adapter (4X PCIe) off of my H97I-Plus's lone PCIe 16X slot.

Would this require motherboard support, or would it be pretty much seamless? I'm still in the opening stages of looking into this, so consider this a thought experiment, I guess.