1GB STICK For HP-Compaq Business Notebook Series nc6000 nc6000le nc6110 nc6120 nc6140 (DDR) nc6447 nc8000 nc9110 nw8000 (Mobile Workstation) nx4300 (DDR) nx4820 nx5000 nx6105 nx6110 nx6115 nx6120 nx6125 nx7010 nx7100 nx7200 nx9030ct nx9100 nx9105 nx9110 nx9110ct nx9500. SO-DIMM DDR NON-ECC PC2700 333MHz RAM Memory. Genuine A-Tech Brand. 1GB STICK SO-DIMM DDR NON-ECC PC2700 333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For HP-Compaq Business Notebook Series. (See Compatibility List Below)