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 - Laptop Motherboard - AliExpress
NVIDIA GeForce 500 Series Goes Mobile with New GT 540M GPU
UserBenchmark: Nvidia GeForce GT 540M
NEW NVIDIA N12P-GS-A1 GT 540M 2GB 660498-002 Video Graphics Card For HP 8560W | eBay
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 - Laptop Motherboard - AliExpress
Adobe Premiere Pro and NVIDIA GeForce GT 540M - Adobe Community - 11213261
Nvidia gives GeForce GT 435M graphics a slight upgrade, rebadges it as GT 540M | ZDNET