OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T510 (4313-xxx) (DDR3-10600) Laptop Memory at Amazon.com
8GB Kit (4GBx2) Upgrade for a Lenovo ThinkPad T510 Series System (DDR3 PC3-12800, Non-ECC, ) at Amazon.com
Lenovo T510 i5 with 6month warranty (20unit), also can upgrade SSD 120GB/240GB/480GB and add on RAM DDR3/3L/4 - 4GB, Computers & Tech, Laptops & Notebooks on Carousell
Memory for a Lenovo - ThinkPad T510 - Kingston Technology
How to upgrade RAM memory in Lenovo ThinkPad T510 laptop - YouTube