2GB (1X2GB) MEMORY RAM 4 IBM Lenovo ThinkPad T61, T61p series A38 | eBay
8GB (2x4GB) MEMORY RAM FOR IBM Lenovo ThinkPad T61, T61p DDR2 A41 | eBay
4GB kit (2GBx2) Upgrade for a Lenovo ThinkPad T61 Series System (DDR2 PC2-5300, Non-ECC, ) at Amazon.com
My Decade Driver: a 2008 vintage Lenovo Thinkpad T61! New battery, SATA SSD, and RAM upgrade. A bit sluggish but it works! : r/retrobattlestations
CMS 8GB (2X4GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with IBM Lenovo® Thinkpad T61, T61P Ddr2 Pc5300 Sodimm - B116 at Amazon.com
CMS 8GB (2X4GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with IBM Lenovo® Thinkpad T61, T61P Ddr2 Pc5300 Sodimm - B116 at Amazon.com
Lenovo Thinkpad T61
I “think” you enjoy this… T61 (256 Gb SSD Debian 10, RAM 4 Gb) and E14 2021 (upgrade with RAM 16 Gb, 1 Tb M.2 for Windows 11 and 256 Gb SSD for Debian 11, all Crucial) : r/thinkpad
8GB (2x4GB) MEMORY RAM FOR IBM Lenovo ThinkPad T61, T61p DDR2 PC5300 SODIMM | eBay