Vertiv Liebert Psa 500VA 300W 230V Line Interactive UPS (Psa500MT3-230U)
SDU500A-5 | Uninterruptible Power Supply | Wistex, II LLC
Tripp Lite POS Series 120V 500VA 300W Standby UPS Tower / USB Port / 6 Outlets - UPS - AC 120 V - 300 Watt - 500 VA - USB - output connectors: 6 - Walmart.com
Amazon.com: Tripp Lite OmniSmart 500VA 300W Line-Interactive UPS, 120V, 6 Outlets, Tower, USB Port (OMNISMART500) : Electronics
APC Back-UPS CS 500VA, 120V, black, 6 NEMA outlets (3 surge) - BK500BLK | APC USA