Logisys New Power Supply Upgrade for COMPAQ PRESARIO SR1000 Series Desktop Computer - Fits The Following Models: SR1000T, SR1000 1 x Main connector (20+4Pin) This works with both 20 pin and 24 pin main connectors 1 x 12V P4 connector (4-pin) 3 x 4-pin Molex Connector 2 X x SATA (Serial ATA) connector 1 x Floppy connector