Amazon.com: 10 Pack - Osram 51520 Optotronic 96W 24V DC 120/277V AC 50/60Hz Constant Voltage Dimmable LED Driver OT 96W/24V/UNV/DIM : Industrial & Scientific
10 Pieces Osram Optotronic 79377 OT50W/CS1400C/UNV/SD/L Constant Current 50 Watt Step-Dimmable LED Driver 21-50VDC - Amazon.com