300W LED Driver Power Supply Waterproof For 300 Watt High Power LED 27V-36V 9A [BY-DR300W] - US$94.99 : Topledlight
300W ATX Computer Power Supply - ATX Power Supplies | StarTech.com
300 Watt ATX Computer PC Power Supply - ATX Power Supplies | StarTech.com
Bestec ATX-300-12ZCDR 300 Watt ATX Power Supply
LiteWard DC-300W-UL12V LED Driver 25A 300 Watt Waterproof 12V AC 100-130V 300W Constant Voltage UL Waterproof IP67 AC to DC for LED Strips and Modules - Amazon.com
0-180v 1.6a 300 watt AC/DC switching power supply 300w 0-180 volt 1.6 amp switching industrial power adapter transformer