The thinkpad e series (formerly thinkpad edge) is a notebook computer series introduced in 2010 by lenovo. it is marketed to small and medium-sized businesses.. Lenovo thinkpad edge e431 review like previous edge series laptops, if you plan to spend a lot of time using your laptop at your desk, lenovo's. Learn more about e series laptops, perfect entry-level systems with essential functionality for working at home or the office.. Lenovo thinkpad t450s review. lenovo's thinkpad t series of business laptops has long been known for its first lenovo's notebook uses the same chassis as. The lenovo thinkpad e450 is a solid, affordable small-business laptop with a comfy keyboard but mediocre battery life..