I've been following the r/sffpc subreddit and have dabbled in small PCs since 2016 (A Gigabyte GA-F2A88XN-WIFI and a Biostar H81MHV3 build) but I've only built my first sub-5L sff pc last year (yeah finally got the funds to do it). My current system is on a K39 v2 with a Ryzen 5 5600 on an ID Cooling IS-60, Gigabyte A520i AC mobo, 32 GB of DDR4 RAM Hyperx Fury (Yes I have some RAM height issues) all powered by a Delta 400W DPS-400AB-17 PSU. Looking forward to learn and explore more about SFF Builds!