Lenovo ThinkPad Z61m Memory

System Memory

Standard Memory: 1 GB
Maximum Memory: 4 GB
Expansion Sockets: 2
Memory Comments: PC2-5300 667Mhz DDR2 SDRAM SO DIMM 200-pin

System Specifications

Processor: Intel Core Duo
Model Comments: Mobile Intel 945PM Express, 667 FSB, Intel Centrino Duo

These memory upgrades are all guaranteed to work with