The Lite-On PS-5221-06 is a 220-watt Small Form Factor (SFF) desktop computer power supply commonly used in older Acer, eMachines, and Gateway systems. It is a proprietary, non-modular unit with specific dimensions and connector types.

According to various merchant and product pages, the key specifications of the Lite-On PS-5221-06 power supply are as follows:

Maximum Power Output: 220 Watts

Form Factor: Small Form Factor (SFF)

Input Voltage: Typically 100-127 V, with some A2 models supporting 220-240V AC

Input Frequency: 50-60 Hz

Connectors: One main connector (20+4 pin ATX) One 4-pin CPU power connector SATA power connectors Peripheral (Molex) connectors (if required by peripherals)

Cooling: 1 Fan

Compatibility: Designed for specific computer models, including Acer Aspire X3200, X1301, AX3400, X1930, eMachines, and Gateway SFF systems

Unit was pulled from working unit after running Cinebench and Adia64 stress test programs