Samsung M Series M40 XWM 735 compatible 1GB 333MHz DDR SO-DIMM Black Diamond memory. Compatible computer model: Samsung M Series M40 WVM 1700, M40 WVM 1800, M40 XWM 735+, M40 (NM40), M40+ XWM 745, M40 WVM 1600, M40 XWM 735, M55 T001, M30 M30, M30 HWM 3060 II, M40 HWM 745, M40 WVM 1500, M40 M40-H0JP0, M40+ WVM 2000, M30 (NM30). Black Diamond Memory offers the most extensive line of memory solutions today. With our decades of experience specializing in memory, Black Diamond Memory is a proven manufacturer to the semiconductor industry. Our great products combined with our world class service and support have helped us to where we are today. When you have an Black Diamond memory chip, you can count on it being the best available memory for your system. Our system specific Branded Memory line delivers in performance, and is designed to be guaranteed in compatibility with your system. Each of our memory chips come with a lifetime warranty for your peace of mind. Use our Upgrade Configurator to easily find the correct memory module for your system. Please keep in mind that this memory will ONLY work on the models listed above. 15% Restocking fee will apply for non-defective items.