Buy it on Amazon – (affiliate link) – Lenovo’s new Thunderbolt 3 dock has a built in eGPU and provides power back to the laptop – all through a single cable. We’ll explore how it works in this review. See more Thunderbolt docks: and subscribe!

01:07 – Hardware overview and pricing
01:40 – Ports
02:25 – Thunderbolt is not the same as USB-C
02:58 – Power supply
03:22 – Displayport/HDMI and 4k recommendations
04:26 – Fan and fan noise
05:02 – Configuration and compatibility
05:27 – Lenovo driver required
05:39 – Comparison to other eGPUs
05:54 – Limited support for most configurations
06:21 – Plugging it in
06:42 – Lenovo provides GeForce drivers
07:32 – Power delivery
08:03 – Gaming : GTA V
09:05 – Gaming: The Witcher 3
09:46 – Gaming: Street Fighter V
10:25 – Mirrored display slightly impacts performance
11:55 – Mac compatibility
12:40 – Conclusion and final thoughts

Overall the dock works great with the laptop I connected it to but it continually crashed another Lenovo laptop, the new X1 Carbon. Lenovo is only supporting one specific configuration at the moment, the Yoga 720s, but I think it’ll work with more than that.

The dock does require its own driver that has to be downloaded first. It does not appear to support Nvidia driver updates so you’ll have to rely on Lenovo to provide graphics driver updates for it at the moment.

But if you’re looking for a compact way to add a GPU to an ultrabook this looks like it delivers. My advice would be to buy it from a store with a good return policy just in case it ends up not working with your device.

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