I've got 3 Dell racks and 2 open racks of network equipment.....all running off a mish-mash of old UPSs. One has a failed battery and is ANCIENT. One of the Dell racks outgrew it's UPS, so it has 3 ...

So, what brand and/or models do people like these days for server room , on-line UPS with decent runtime? We have 2 older Toshiba 1600EP 8Kva 240v units. We have dropped our power load by half since ...