You've got a rack PDU or a UPS accessory that's been humming away for a while, and the standard warranty window is ticking down faster than you'd like. This slips another 12 months onto that specific unit so a failed relay or a dead fan doesn't mean a same-day replacement scramble. It's designed for renewal cycles and high-volume fleets, so if you manage a stack of APC gear across sites, this keeps the coverage uniform. One purchase covers one accessory. Check your part number against the list below before you order