Thanks for the help. Yeah, the cpu is older (3770k). Not sure what my head was doing thinking ram went through the chipset, I'm going to claim lack of morning coffee. Also turns out the 32Gb kit I had spotted at a reasonable(ish) price on pc part picker is some incorrectly listed DDR4 ram so wouldn't have got far with that anyway.
Wasn't sure if I should put this here or New Builds & Planning. Not a new build though more of a technical question on compatibility / upgrading so decided here was probably more appropriate. I am currently running with 16Gb of RAM but am starting to bounce off the top end of that (blame city skylines and mods). My motherboard (asus P8Z77-I deluxe) lists 16Gb as it's limit, does anyone know if this is a hard limit or just a marketing limit based on max DIMM capacity at the time? It's an ITX board so only has 2 DIMM sockets but it is duel channel, the larger boards with 4 sockets are