311-4665, 311-5893, KTD-INSP6000B/2G # This module is manufactured by Hynix, Micron, Elpida,Samsung or other depending on availability. We guaranty this module will work in your notebook. # 2GB PC2-5300 DDR2-667 200pin SODIMM. # Upgrade to the maximum of 4GB using two 2GB modules. # lifetime exchange or repair warranty against manufacturing defects. It may also be returned in original condition within 14 days of delivery for full credit minus shipping. We also supply unlimited lifetime tech support for this item. # Compatible with Dell Inspiron 1420, 1520, 1521, 1525, 1720, 1721, Latitude ATG (DDR2-667MHz), Latitude ATG D630 Notebook, D520, Latitude D531, Latitude D620 ATG (DDR2-667MHz), D630, D630C, D830, PowerEdge SC840 (DDR2-667MHz), Precision M4300, PRECISION WORKSTATION Precision M2300, M4300, M6300 Laptop (DDR2-667MHz), Vostro 1000 (DDR2 667MHz), Vostro 1400, Vostro 1500, Vostro 1700.