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
ThinkPad T61 Model Name: 64665WG Part Number: NI25Wxx ...
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8gb+%282x4gb%29+Memory+RAM+for+IBM+Lenovo+ThinkPad+T61+T61p+Ddr2+Pc5300+SODIMM for sale online | eBay
My upgraded T61 Thinkpad : r/thinkpad
IBM Thinkpad T61 RAM Replacement - iFixit Repair Guide
T61p 4GB RAM Core 2 Duo Lenovo ThinkPad Used 160GB HDD Laptop
Lenovo Laptop ThinkPad T400 Notebook - Core 2 Duo 2.40GHz - 4GB DDR3 - 160GB - DVDRW - Windows 7 Pro 64bit - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com
Lenovo ThinkPad T61 Review | Trusted Reviews
ThinkPad Laptop T Series Intel Core 2 Duo T7300 (2.00GHz) 1GB Memory 160GB HDD NVIDIA NVS 140M 15.4" Windows XP Professional T61 (64607EU) - Newegg.com