SATA: https://www.amazon.com/gp/aw/d/B07N1HC88M https://www.amazon.com/SATA3-0-Adapter-Expansion-Interface-Indicator/dp/B0B75JWXXS NVMe: https://www.amazon.com/gp/aw/d/B0BRVBWDBD https://www.amazon.com/xiwai-Oculink-SFF-8612-SFF-8611-Mainboard/dp/B0BP7PDMZZ I cut the Oculink to m.2 NVMe adapter to just under 100mm, threw heatsinks on everything, and used sugru to stick two of them into each 2.5" bay. I had it in my network rack, which was 12" and had 1U left. now I need the 1u space for a new switch.
Pardon my brevity and any typos. i am writing this from my phone.