Rent a Lenovo ThinkPad T420 with WiMax Verizon, 500gb HD, 16gb RAM, i5 Intel 2.5ghz
Used Lenovo Black ThinkPad T420 14'' PC Laptop Intel i5 Dual Core 2.5GHz 8GB RAM 160GB HDD Intel HD Graphics 4000 1600 x 900 Display Windows 10 Professional 64-Bit - Walmart.com
How to Replace or Upgrade RAM Lenovo T420 - YouTube
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 at Amazon.com