Lenovo ThinkPad 15.6"T510 I5 Laptop Windows 10 Professional 4GB Ram 250GB Hard Drive DVD WiFi Power Adapter
Restored Lenovo Black 15.6" ThinkPad T510 Laptop PC with Intel Core i5-520M Processor, 4GB Memory, 320GB Hard Drive and Windows 10 Pro (Refurbished) - Walmart.com
OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T510 (4349-xxx) (DDR3-10600) Laptop Memory at Amazon.com