Kingston is the worlds largest independent memory manufacturer. In todays performance-driven environment, memory upgrades provide an easy, economical alternative to increase system performance. Every memory product Kingston offers is designed to help you get maximum performance at the best price to you. This memory is designed for the following systems: Lenovo Think Pad R60 9444, 9445, 9446-xxx; Lenovo Think Pad R60 9455, 9456, 9457, 9459-xxx; Lenovo Think Pad R60 9460, 9461, 9462, 9464-xxx; Lenovo Think Pad R60e 0656, 0657, 0658, 0659-xxx; Lenovo Think Pad T60 1951, 1952, 1953-xxx; Lenovo Think Pad T60 1954, 1955, 1956-xxx; Lenovo Think Pad T60 2007, 2008, 2009-xxx; Lenovo Think Pad T60 2013, 2023, 2037-xxx; Lenovo Think Pad T60 2613, 2623, 2637-xxx; Lenovo Think Pad T60p 2007, 2008, 2009-xxx; Lenovo Think Pad T60p 2013, 2023-xxx; Lenovo Think Pad T60p 2613, 2623-xxx; Lenovo Think Pad X60 1706, 1708, 1709-xxx; Lenovo Think Pad X60 2509, 2510-xxx; Lenovo Think Pad X60s 1702, 1703, 1704-xxx; Lenovo Think Pad X60s 1705, 1706-xxx; Lenovo Think Pad X60s 2507, 2508-xxx; Lenovo Think Pad X60s 2533-xxx; Lenovo Think Pad Z61e/Z61t 0672, 0673-xxx; Lenovo Think Pad Z61m 0674-xxx; Lenovo Think Pad Z61m 9450, 9451, 9452. 9453-xxx; Lenovo Think Pad Z61t 9440, 9441, 9442. 9443-xxx; Lenovo Think Pad Z61t 9448-xxx.