It sounds like Nvidia might have violated the law (in the U.S.). Companies cannot arbitrarily deny warranties just because a customer opened something, unless

It sounds like Nvidia might have violated the law (in the U.S.). Companies cannot arbitrarily deny warranties just because a customer opened something, unless the opening is what damaged the product. That's why those "warranty void if removed" stickers are generally legally-unenforceable. Magnuson–Moss Warranty Act.