Standard memory. . Where's the other one? Here's the interesting thing about adding RAM to the T its two RAM slots are in quite. For best Lenovo ThinkPad T Laptop performance use the maximum amount of. how many ram slots are there on my pc? what is the max ram size for each slot? thanks. Memory upgrades Lenovo Notebook ThinkPad T-Series 16GB Memory Upgrade Lenovo Notebook T OEM-Ref-# Dual-Channel Memory Kit Are there still free RAM slots? lenovo t ram upgrade. 8GB, MB ; 4GB, MB ; 2GB, MB. The Laptop has 2 Slots to install memory, already with 4GB standard memory installed. and i want to upgrade my ram to 16 GB. Maximum memory: 16GB. Moderator. About your ThinkPad T Memory; Storage; Upgrade advice. Your computer's memory capability: Slots: 2 (2 banks of 1). It says two SO-DIMM slots.