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I'm sorry for your lose, I'm surprised that Corsair has not gone out of their way to support you despite the retailer has been no help. As others said I would push to see if you can get support from them. Complain to them on twitter or open a post of their reddit page. I'm sure the community moderator George would assist you with your issue. In regards to other Power supply manufactures I have personally used the following Silverstone, EVGA and Riotoro. Depending on the SKU they offer 3 years or more on their PSU's