This video shows how these guys are cleaning the farm, pulling the 7x GPU nodes, cleaning, ultrasonic cleaning the GPUs, new Thermal Grizzly grease and thermal tape for the memory/VRM per GPU. This is a long process, but will get them another 2+ years out of these gpus, pushing them to 5+ years of continuous mining.
Device List Shown:
Ultrasonic Cleaner under $200 USD- https://amzn.to/3eTvtjt
Ultrasonic Cleaner Fluid – https://amzn.to/2Uf1RUf
USB Powered 7″ Monitor (HDMI) for quick Portable Rig Checking – https://amzn.to/2UjslUK