About your ThinkPad T Memory; Storage; Upgrade advice. The Laptop has 2 Slots to install memory, already with 4GB standard memory installed. 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. It says two SO-DIMM slots. Where's the other one? Here's the interesting thing about adding RAM to the T its two RAM slots are in quite. Moderator. 8GB, MB ; 4GB, MB ; 2GB, MB. . and i want to upgrade my ram to 16 GB. 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. Your computer's memory capability: Slots: 2 (2 banks of 1). Maximum memory: 16GB. Standard memory.