thinkpad t550值得买吗?

thinkpad t550(20cka00dcd)

thinkpadt55020cka013cd15英寸笔记本i75600u8g256g固态1g独3k屏

thinkpad t550(20cka00fcd)天胜5750元

lenovo thinkpad t450, t450s and t550: thin notebooks for