My ROGs - including two R5E (not R5E10) mobos - all came with some sort of ASUS product registration card in the box.
Although I've never bothered to register any of them, lol, I don't have much confidence in the ASUS RMA process.
3 year warranty (5 year on TUF-branded products). I'm not sure if you can purchase extended warranty from ASUS, especially if the mobo is not new.
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[/Korth]