E5 1650 $70 unlocked

i can get my 6 core to run at 4.4 24/7 and if i turn off 2 cores it will run 4.9 ghz but it will crash after a couple hours unless my room is 50f or less. i get a r15 score at 4.4 of 1130 with my ram at 2000mhz and at 4.9 i get a single core score of 470 in cpu z. the mobo set me back tho 180 for a dx79to