Lenovo ThinkPad L412 0591 compatible 2GB 1333MHz DDR3 SO-DIMM Black Diamond memory. Compatible computer model: Lenovo ThinkPad L412 4403, X121e, Edge E530, T420si, W710, L520, SL520, Edge E325, L412 0530, W701 2544, L512 2598, Edge E425, X230, X210s, L412 0553, L412 0591, W701 Series, W701ds Series, X220i, X210t, Edge E320, SL420, L412 0585, Edge E120, Edge 13" 0217, X220 Tablet, Edge E125, X130e, Edge E420, T500 2081, Edge 11, W510 Series, X210, L412 4404, L530, W701ds 2500, T420i, T520i, X220i Tablet, Edge E420s, L512 4447, Edge E430, W510 4876, L512 2599, L512 2550, L512 2597, Edge E525, Edge E520, T420, L512 4444. 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.