Lenovo ThinkPad Z60m 2531 compatible 1GB 533MHz DDR2 SO-DIMM Black Diamond memory. Compatible computer model: Lenovo ThinkPad T43 2687, R52 1846, T43 2669, T43 2679, T60p 1951-xxx, Z60m 2529 Special Edition, X41 2528, T43, R52 1861, T43 1872, R52 1860, X41 2525, R52 1850, X41 Tablet 1866, Z60m 2532, R52 (1859BAU), X41 2526, R52 1870, T43p 2687, T43 1876, T43 1875, R52 1858, R52 1847, R51e 1844, Z60t 2511 Special Edition, X41 Tablet 1867, Z60t 2511, T43 1874, R52 1863, Z60m 2531, R51e 1843, T43 2678, Z60t 2513, X41 Tablet 1869, R52 1849, X41 1864, Z60t 2512, X41 1865, T43 2686, R51e 1845, T43 1871, T43p 2669, X60s 2533-xxx, T43p 2668, Z60m 2530, Z60t 2514, Z60m 2529, T43 2668, X41 2527, R52 1859, R52 1848, Z60m, R52 1862. 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.