Genuine OEM Dell Power Supply Unit PSU Switching 275w. Dell 235w for Optiplex 380 740 760 780 960 980 SFF Small Form Factor FR610 6RG54 MPF5F N6D7N PW116 RM112 genuine oem dell power supply switching unit psu. for sff small form factor only fits dell optiplex 380 740 760 780 960 980 275w watts upgrade from 235w compatible part numbers: fr610 6rg54 mpf5f n6d7n pw116 rm112 67t67 r224m r225m wu136 h255t g185t gpgdv model number(s): f235e-00 l235p-01 h235p-00 h235e-00 d235es-00 ac235as-00