StoneTaskin NEW Dell Precision 17.3 7710 Motherboard Intel Xeon E3-1535M 2PFKW LA-C551P CPU Cooler WD_BLACK SN770 is backwards-compatible with

WD_BLACK SN770 is backwards-compatible with PCIe Gen3

But if your package has been sent

Output voltage : AC 110V /220V for your choice

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StoneTaskin NEW Dell Precision 17.3 7710 Motherboard Intel Xeon E3-1535M 2PFKW LA-C551P CPU Cooler WD_BLACK SN770 is backwards-compatible withCompatible Models: Fit All Dell Precision 7710 Models Please make sure all the other components in your laptop are good. The motherboard will not work if you have another defective component(Rams, video cable, LCD, AC adapter, power jack, daughter board, etc). Sometimes a third party AC adapter or a short video cable can even damage the new motherboard. NON SELLER FAULT RETURNS (CHANGE OF MIND, BOUGHT MOTHERBOARD WITHOUT MATCHING YOUR ORIGINAL PART