Model 550 | Single output unipolar high voltage power supply: 0.1 to 5 kV @ 40 to 50 mA
Power Supply ATX AK-B1-550 550W
Lenovo G 550 Power Supply | Power Supply Lenovo 250w | Power Supply Lenovo 520 - Pc Power Supplies - Aliexpress
Amazon.com: 550W Power Supply Full Modular 1U Flex ATX 90-264V AC for POS AIO System Desktop Gaming Server Small Form Factor (Flex ITX) Computer PSU : Electronics