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Abedsbrother posted on r/pcmasterrace2d
drive bay adapters I'm running this one from Silverstone b/c I wanted a 3.5 in a 5.25 (also fits 2 SSDs), but there are others that fit 4 SSDs.https://www.amazon.com/SilverStone-FP55-Storage-Bracket-Adapter/dp/B00422U2T6/