Question Modular All-in-One Gaming computer???

PCDesignerR

Honorable
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Jul 30, 2014
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A long while ago I remember seeing an all-in-one computer that had a removable backing and inside had all completely removable desktop computer parts including a beefy graphics card. Does anyone happen to know/recognize what computer this is? All of the parts fit in the back and it had a closed loop liquid cooler built in and everything. It was amazing! Thanks for info!