2GB KIT (2 x 1GB) For Dell Inspiron Notebook Series 600M 9100 XPS. SO-DIMM DDR NON-ECC PC3200 400MHz RAM Memory. Genuine A-Tech Brand. 2GB KIT (2 x 1GB) SO-DIMM DDR NON-ECC PC3200 400MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Dell Inspiron Notebook Series. (See Compatibility List Below)