CMS 8GB (2X4GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with IBM Lenovo® Thinkpad T61, T61P Ddr2 Pc5300 Sodimm - B116
2PCS 4GB PC2-5300 DDR2-667 200pin SODIMM Maximum Memory: 3 GB with Windows Vista 32-bit 8 GB with Windows Vista 64-bit Expansion: 2 Sockets Notebooks with 32-bit operating systems, if 4GB is installed, the recognized memory may be reduced to 3.0 or 3.5GB or less (depending on system configuration and memory allocation). Notebooks with 64-bit operating systems, can recognize the full 8GB. Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMSs. Compatible with: Lenovo ThinkPad T61 1959-xxx Lenovo ThinkPad T61 6377, 6378, 6379-xxx Lenovo ThinkPad T61 6457, 6458, 6459-xxx Lenovo ThinkPad T61 6460, 6461, 6462-xxx Lenovo ThinkPad T61 6463, 6464, 6465-xxx Lenovo ThinkPad T61 6466, 6467, 6468-xxx Lenovo ThinkPad T61 6470, 6471-xxx Lenovo ThinkPad T61 6480, 6481-xxx Lenovo ThinkPad T61 7658, 7659, 7660, 7661-xxx Lenovo ThinkPad T61 7662, 7663, 7664, 7665-xxx Lenovo ThinkPad T61 8889, 8890, 8891, 8892-xxx Lenovo ThinkPad T61 8893, 8894, 8895-xxx Lenovo ThinkPad T61 8896, 8897, 8898, 8899-xxx Lenovo ThinkPad T61 8900, 8938, 8939-xxx Lenovo ThinkPad T61p 6457-xxx Lenovo ThinkPad T61p 6458, 6459-xxx Lenovo ThinkPad T61p 6460, 6461, 6470-xxx Lenovo ThinkPad T61p 8889, 8891, 8892-xxx