The NVIDIA GeForce GTX 660 Review: GK106 Fills Out The Kepler Family
Goodbye Kepler: NVIDIA announces that GeForce GTX 600 and 700 series cards will stop receiving new Game Ready Drivers from August 2021 - NotebookCheck.net News
Nvidia GTX 600 and 700 Kepler series driver support is also ending in October - Neowin
GeForce® 600 Series | Graphics Card - GIGABYTE Global