Intel Xeon E3-1220 V5.
Tested and fully working, removed from a working server.
The Xeon E3-1220 V5 is one of Intel's high-end Server processors. It was released in 2016 with 4 cores and 4 threads. With base clock at 3GHz, max speed at 3.5GHz, and a 80W power rating. The Xeon E3-1220 V5 is based on the Skylake-H 14nm family and is part of the Xeon E3 series.Supports up to 64GB of memory including support for error correcting ECC RAM
The Intel Xeon E3-1220 V5 is a Server processor with 4 cores, launched in 2016. It is part of the Xeon E3 lineup, using the Skylake-H architecture with Socket LGA1151. Xeon E3-1220 V5 has 8MB of L3 cache and operates at 3 GHz by default, but can boost up to 3.5 GHz, depending on the workload. Intel is building the Xeon E3-1220 V5 on a 14 nm production process. Intel's processor supports DDR4 memory with a dual-channel interface.
This processor can run on motherboards with the following chipsets: B150, B250, B360, B365, C232, C236, C246, H110, H170, H270, H310, H370, Q170, Q270, Q370, Z170, Z270, Z370, Z390.