For those interested in repairing electronics, the PS-4241-9HA serves as an excellent case study in protection circuitry, voltage sensing, and the importance of precision resistors. For the average user, it is a component best replaced with an identical unit. Whether you are a technician tracing circuits or a user deciding on a replacement, this guide provides the technical foundation needed to work with the PS-4241-9HA.

is a 240-watt Small Form Factor (SFF) proprietary desktop power supply unit (PSU) engineered specifically for legacy corporate business machines like the HP Elite 6000, 6005, 8000, and 8100 SFF series . Despite its compact architecture, it boasts an incredibly sophisticated layout that earned it an 80 PLUS certification , achieving a typical efficiency rating of .