I have a Lenovo T, laptop Serial No: xxxxxxxx. How to check the RAM onboard or in Slot without opening the laptop. However I've just opened the memory cover as I want to. · Ranura DDR4 LTK R. Memoria RAM SO-DIMM DDR3 no ECC PC MHz. Lenovo Thinkpad X X XS Notebook DDR3 Slot Memory DIMM RAM Jack Socket conector, Original, nuevo · Original LTK4. . · Original LTK4. [HOST]: Kit de 16 GB (2 x 8 GB) para IBM Lenovo ThinkPad T Series T Ti Ts T Ti. I understand from this page that the T supports memory PC DDR or PC DDR SODIMM \ Mhz or Mhz \ with max. Mod edit: Removed serial. I 've just received a T (CTO) with 4GB RAM and the order stated 2 DIMMs. Kindly post the MTM of your machine so other members can. You would usually have to use Slot 1 and 2 or slot 3 and 4 for dual channel support. Looking at the Platform Specifications of ThinkPad Tp it supports 32GB max / MHz DDR4, dual-channel capable, two DDR4 SO-DIMM sockets.