I own a lenovo T530 laptop. It’s seven years old but I see no reason the buy a new one. I’ve upgraded it with a 1TB SSD drive and it has 16 GB ram. It does the job. A while ago my PC at home died, I decided to use my laptop in place. On the internet I learned that it is possible to use 3 monitors with the Lenovo series 3 dock. I’ve found a second hand on a marketplace and bought it. Unfortunately the wrong one ;-(. There are more versions of the Lenovo series 3 dock. The 4337 supports 2 monitors, the 4338 support 3 monitors. Now I’ve bought an 4338. It works great with my three HP E243i monitors.