Be very certain that this fits your needsl!
This product works fine. However, caution is in order due to Lenovo's use of confusingly similar naming.

As another reviewer stated, this base does NOT include any kind of optical drive. More >>
Keith

What does "ultra" mean ??
A particularly vague use of the word "ultra" in marketing. It's fine, it's a flat, basically no-moving-parts dock with a range of ports on the back including ethernet, video, several usb, etc. More >>
Bruce_in_LA