Yes it has been validated [URL]
Will the GeForce GTX 1070 8GB graphic card work in an XPS 8500? My current System:  Dell XPS 8500, Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz, 32GB RAM, NVIDIA GeForce GTX 1050 Ti 4GB Windows 10 Pro, 64-bit OS.
XPS 8500, GeForce GTX 1070 compatible?