Amazon.com: Valley Of The Sun New Graphics Video Card Replacement, for Lenovo IdeaCentre B500 B505 B50R1 All-in-One Desktop PC Computer, NVIDIA GeForce GT 540M GDDR5 2GB N12P-GS-A1, MXM VGA Board Repair Parts :
Original GT540M GT 540M 2GB N12P-GS-A1 MXM 3.0 Laptop Video Graphics Card for HP Envy 23 Omni 220/27 Touchsmart 420/520
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