Intel Core i7-4810MQ 6M Quad-Core 2.8GHz Mobile CPU Processor SR1PV

Used and tested working.

CPU Specifications
Total Cores 4
Total Threads 8
Max Turbo Frequency 3.80 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡ 3.80 GHz
Processor Base Frequency 2.80 GHz
Cache 6 MB Intel® Smart Cache
Bus Speed 5 GT/s
TDP 47 W