CMS 2GB (2X1GB) DDR1 2700 333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with IBM Lenovo® Thinkpad T41 Notebook Series Ddr1-Pc2700 - A49 at Amazon.com
URAM DDR DDR1 2GB(2X1GB) RAM 400MHz PC3200 200 Pin Samsung Chip Memory Module for Laptops/Notebooks at Amazon.com
for all desktop ddr PC-3200 memory ddr1 RAM 400 2Gb (1Gb*2) dual channel / ddr 400Mhz 2G -- lifetime warranty -- good quality - Price history & Review | AliExpress Seller -