Lenovo ThinkPad T42 2373 compatible 1GB 333MHz DDR SO-DIMM Black Diamond memory. Compatible computer model: Lenovo ThinkPad T41p 2378, X32 2673, R51 2883, T42 2374, T42 2379, R51 2895, X40 2371, X31 2673, R50e 1860, G41 2882, R51 1840, X40 2382, T42 2378, X32 2885, T42p 2379, R50 1836, R50e 1834, T41 2373, G40 2388, X31 2672, R50 1841, T42 2375, X31 2885, R51 1829, R50e 1842, R50e 1849, T42p 2378, G41 2388, R51 1831, R50p 1832, X31 2884, T42p 2374, T42 2373, R50 1829, R50e 1846, R50e 1848, R51 2889, T41 2379, G41 2881, X32 2884, R50 1840, T41p 2373, T42p 2373, X40 2372, R50e 1843, R51 1836, T41p 2374, X32 2672, R51 2888, T42p 2376, G41 2886, R50e 1844, R51 1841, T42 2376, R50 1831, T42, X40 2386, R51 2887, R51 2894, R50 1830, T41 2374, R51 1830, T41 2378, T41 2376, T41p 2379, R50p 1833, R50e 1847, R50e 1859. 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.