Amazon.com: 14.1" Full HD Windows Laptop PC (Windows 10, 4GB RAM, Dual Band 5GHz WiFi (2X WiFi Speeds), T90B Pro Model, Lapbook, Intel Quad-Core, USB 3.0, Bluetooth, Laptop Compute (64GB) : Electronics
How much RAM does my laptop need? 4GB vs. 8GB vs. 16GB, etc. | PCWorld
Samsung 4GB DDR3 PC3-12800 1600MHz 204-Pin SODIMM Laptop Memory Module RAM. Model M471B5273DH0-CK0 at Amazon.com