Naively OC'd my 2600K two years ago to 4.7ghz on auto. In attempts to OC ram, found out I've been running 1.5+V for that time, 75+ temps. Slowly dialed it down to
Cooler Master desktop IN (TM) i7-2600K CPU @ 3.40GHz 1TB 240gb ssd HDD 8GB RAM | eBay
Upgrading from an Intel Core i7-2600K: Testing Sandy Bridge in 2019
Intel Core i7-2600K Processor Benchmarks and Specs - GadgetVersus