Buy RAM Memory & SSD Upgrades for your Lenovo Essential G Laptop from MemoryCow. Guaranteed Maximum Memory Per Slot, 8GB. Lenovo Support. Upgrade your Lenovo GG with guaranteed compatible Lenovo RAM memory. All Lenovo G Memory Upgrades are backed by a lifetime warranty. Ideapad G and I'm interested in upgrading the ram. system can run up to Up to 16GB DDR3 MHz, 2 SODIMM slots. G SSD and memory upgrade.