Hiport 4GB RAM Memory For Compaq Presario CQ1-4117LA, CQ1-4118LA, CQ1-4121LA, CQ5000 (amd DDR3), CQ3220AN, CQ3530IX, CQ5802 Desktop (4GB DDR3-1333 PC3-10600 240-pin DIMM) Capacity: 4GB Form Factor: 240-pin DIMM Type: DDR3-1333 PC3-10600 (non-ECC) Chipset: 2Rx8 16c 1.50V CL9