kaladeth Posted January 23, 2015 Share Posted January 23, 2015 I'm waiting for my new HP ProBook 640 to arrive (I know - it's already a year old!). It only comes with a dual core processor, so from both (a) thermal structure and ( BIOS point-of-view, can the HP ProBook 640 handle a (47W or 57W) Quad Core processor? The service manual says the max CPU you can put in the HP ProBook 640 is an Intel Dual Core i7-4600M 2.80-GHz processor (3.0-MB L3 cache, 37 W) 737330-001: http://h20628.www2.hp.com/km-ext/kmcsdirect/emr_na-c04030196-1.pdf But from a physical socket point of view, I can put in an i7-4940MX: Is the heat from the increased TDP the only problem? Or will the BIOS throttle the CPU down to 37W? Quote Link to comment Share on other sites More sharing options...
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