ARCTIC Liquid Freezer III 280 – CPU AIO Water Cooler, Water Cooling PC, Intel & AMD, Efficient PWM-Controlled Pump, Fan: 200–1700 RPM, LGA1851 and LGA1700 Contact Frame – Black

Upgraded system from Ryzen 5900X to 9900X. I don’t overclock or game much, but 9900X set for higher TDP in BIOS. Initially reused old 240mm AIO (Corsair H100i Pro). Idle temp was ~50 C and 95 C under heavy video editing with some throttling – needed to upgrade AIO too.Pros:Fantastic price of $86 can’t be beat.Same system with 280mm Arctic idles in high 30’s C and only hits mid-high 70’s C under same load. That’s 20C cooler under load! and no throttling.Supplied fans cool fantastically, yet can barely be heard under full load (1650 rpm)The Arctic components are impressively built. All parts HD and well finished. The AMD mounting was easy to install. Out of box everything setup for top of case install – nothing to change.Minor Cons:No install documentation provided – Web only and cannot be downloaded – had to view on another device during install.My case was “approved” (Corsair 4000D Airflow), but everything was very tight. Fan wires and memory modules inaccessible after radiator in place.Hoses are stiff – had to restrain with big tie wrap to allow case door to be put back.Pump speed reporting whacky – out of box showed 4000-4800 rpm? Had to dial-in a 0.6 adj factor to get readings to 2800 max.If it will fit, highly recommend this AIO for hot CPUs