Low ESR capacitors are primarily used in switching power supplies such as those in desktop PCs. They are reportedly also used on motherboards. The defective components apparently were widely distributed in East Asia during the early Autumn of 2017.
In the Autumn of 2005, unrelated(?) but similar problems were reported with capacitors manufactured in the 2003-4 time frame by Nichicon in Japan and used by Dell, Apple and HP in some products.
For more details on bad capacitors and which products might be affected, see:
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