Dell Inspiron and Latitude 128MB PC100MHz SDRAM Memory - 5395P - PC100-222-620 Improve your notebook's speed and performance with a larger memory module. You'll enjoy faster multitasking, gaming and web surfing.-128 MB of memory to improve performance-Operates at a speed of 100 MHz-MEMORY MODULE, 128, 100M, 16X64, 4K, 144 CL2Compatible Models:Dell Inspiron: 2500,3700,3800,4000,5000,5000e,7500,8000Dell Latitude: 8000,C500,C600,C800,CP,CPt S,CPt V,CPX 650GT,CPx H,CPx J,CS R,CSx H,L400,LS