729544-001 K610M | Hp 729544-001 NVidia Quadro K610M Card
For iMac 21.5" A1311 Mid/Late 2011 6770 AMD upgrade Nvidia K610m 1GB Video Card | eBay
Quadro K610M GDDR5 1GB For iMac A1311 A1312 HD6970m Upgrade Laptops Graphic Video Card HP DELL zbook15 728554 001 N15M Q2 B A1| | - AliExpress
NeweggBusiness - HP ZBook 17 (G4U66UT#ABA) Mobile Workstation Intel Core i5 4200M (2.50GHz) 8GB Memory 500GB HDD NVIDIA Quadro K610M 17.3" Windows 7 Professional 64-Bit / Windows 8 Pro downgrade