This power is suitable for Dell Dell Dell Optiplex 320 360 380 DT power supply H235PD-01 D235PD-00 B235PD-00 DELL DT series small and medium models, OptiPlexGX520, GX620, GX280, 740, 745, 755, GX320, GX330, 210L, C521,3100C, etc.Support DELL915, 925, 945, 955, 965 series motherboard 24-pin special power supply application model:(Dell DT series small and medium-sized machines can be used)Dell OptiplexGX520, GX620; Optiplex 210L, 320, 330, 360, 740, 745, 755; Dimension C521, 3100C Power: 235W Output Interface: P1 24 Pin, P2 4 Needle, one, SATA power port, two.(If you use the IDE-driven drive, please add an IDE connector with the seller.)