Lenovo Docking Station THINKPAD Edge X6 Ultra Base 42W3107 42W4634 X60 X60s X61 | eBay
Finally got myself an X61. It may be the S version but I'm still really happy with it. All that's letft is to get the Middleton's BIOS and a newer and cooler
Minimalist retro "battlestation" i use for emulation (to quench my envy of all the cool rigs in this community). ThinkPad X61 Core2Duo : r/retrobattlestations
Starting a week with Ubuntu and Lenovo's X61 ThinkPad: First impressions - CNET