Ok people keep saying there was no backup power but there was, it was just not enough to power everything. Source: http://m.yna.co.kr/kr/contents/?cid=AKR201803

Ok people keep saying there was no backup power but there was, it was just not enough to power everything. Source: http://m.yna.co.kr/kr/contents/?cid=AKR20180316130000003 http://m.yna.co.kr/kr/contents/?cid=AKR20180316130000003 maximum estimated amage was around $50mil usd. It says it's their internal transformer that failed. Up to 60k wafers were affected but not all of them are unusuable.