TR 1950x running at 4.0GHz with 1.25V. This chip works like a champ! I've been playing around the core clocks and voltages while waiting for my RAM modules and NVMe drives. :
AMD Threadripper 1950X Linux Benchmarks Review - Phoronix
AMD Threadripper 1950X review: Better than Intel in almost every way | Ars Technica