512MB Module (PC2-5300, DDR2-667MHz) for Hewlett-Packard Pavilion Notebook dv6647cl OEM Part # equivalent: 406726-001, 409059-001, 414045-001, 417054-001, 431402-001, 432969-001, 434741-001, 451740-001, 452061-001, 452312-003, 452312-004, EM993AA, EM993ET, EM993UT, KTH-ZD8000B/512 |