Amazon.com: HP Quadro K2000M 2GB MXM Laptop Video Card N14P-Q3-A2 : Electronics
Nvidia Quadro K1000M 2GB Video Card N14P-Q1-A2 | eBay
Got this W520 for 30 EUR because "the cpu gets extremely hot up to 90 degree with no major task running". Scroll pictures to see what I found in the CPU cooler....works