New ThinkPad Guts Bring Intel Core I, DDR4, USB 3 To Cult Laptops | Hackaday
Lenovo ThinkPad X200 Repair - iFixit
Lenovo ThinkPad X200 12.1" Standard Refurbished Laptop - Intel Core 2 Duo SL9400 1.86 GHz 4GB SODIMM DDR3 SATA 2.5" 320GB HDD Windows 10 Pro 64-Bit - Walmart.com
Lenovo ThinkPad X200 12.1" Black Tablet PC - Intel Core 2 Duo SL9400 1.86 GHz 4GB SODIMM DDR3 SATA 2.5" 120GB Windows 7 Professional 64-Bit - Walmart.com
Refurbished: ThinkPad Black 43R8781 X200 UltraBase Docking station - Newegg.com