So, I downsized for the heck of it from a Lian Li TU150 with a Noctua D15 air cooler to an NCASE M1 V6.1 with the EK-AIO Basic 240mm AIO. I'm not going to get into a lot of detail on the various parts, but here are some of my thoughts about the cooling and airflow.

This is my first watercooled build and I am impressed by the thermals even if it's at the expense of a bit of pump noise. Don't get me wrong, I love the D15 and would keep using it if I could, but I like the M1 case even more. I have included some photos of my TU150 build for the size comparison. I had an extra set of the rubber amplifier feet I used on my TU150, so I am trying them out on the M1 since they are 5mm higher than the stock feet.

Overall I think I made pretty good use of the 12.7L of volume in the M1. I have to say it would have taken me a lot longer to find the optimal config without M1AF's very useful guides. I am running the AIO in push/pull exhaust with a pair each of Noctua A12X15 chromax and A12X25 fans. With ambient around 21C and fairly conservative fan speeds, my CPU temps generally stay in the low 60s while gaming at 1080p 240hz, and high 70s in Cinebench R20.

As I did in my TU150, I am running the Gigabyte RTX 2080 GPU deshrouded with another pair of A12X25 fans for bottom exhaust on top of 3D printed spacers. To add a bit more negative pressure (probably unnecessary) I also have a A9x14 chromax fan for rear exhaust. GPU temps are solid too, although the 2080 barely pushes 200W after undervolting, with max gaming temps under 65C.

Feel free to ask about downsizing to the NCASE M1 from its bigger brother the TU150 (still a good case for the price, IMO), the build process, or any of the parts I used.

Note: I have the EK-AIO Basic, not D-RGB, and unfortunately it seems I can't join the SFF contest until builds.gg approves the Basic AIO as a new part.