![]() ![]() Since yours is the maximum power consumption P17, you can consider not to use this above Y-Cable: Part No. ![]() Also, your ThinkPad might have other devices which draw power directly from ThinkPad as described above.Īs for your proposed 40ANY0230US, it comes with a single 230W AC power Adapter, and uses the "Y-Cable", which powers both your ThinkPad P17 workstation and the Docking Station, along with powering all connected accessories (ThinkVision M14 external LCD monitor via USB-C, or USB cable charging your smartphone, etc.) It's 230W because different ThinkPad workstations can be connected, hence for "worse case power draw consideration" the 230W AC Adapter was used. ~Another separate 230W AC Adapter which powers your ThinkPad connected to the Docking Station (essentially it's a Pass-Through power connection for your ThinkPad). ~65W AC Adapter for powering the 40AN0230UK Thunderbolt 3 Docking Station for Workstations Gen 2, mainly in case you plug in other devices which draw power from this Docking Station (as described above). We use the slightly older (and apparently discontinued) 40AN0230UK Thunderbolt 3 Docking Station for Workstations Gen 2, which came with two (2) power AC Adapters: (Ours is the UK electrical plug, yours is US). We have the slightly older 40AN0230 UK Thunderbolt 3 Docking Station for Workstations Gen 2 an it works perfectly fine with both our X1 Extreme Gen 3, and also our X1 Extreme Gen 1. I'd love to hear how others have solved this. I don't see any advantage to connecting via two thunderbolt ports vs one thunderbolt port and one power connector. Powering the laptop from a dock seems problematic, so maybe I should just buy some generic thunderbolt dock and attach power separately. I guess a general question is whether there is any advantage any more to a Lenovo dock. In any event it's difficult to buy right now. Not at *all* sure about this, though, and I should mention that most reviews are very positive. And it isn't in stock so Lenovo may be looking into that. The last will but requires 2 thunderbolt ports to connect.Ī few of the reviewers of the third one complain of reliability problems and speculate that the cause might be the high power transformer. It seems to me that only the last one is really designed for the P17. According to a sales rep there are three compatible docks: 40AF0135US, 40AS0090US, and 40ANY230US. I've been using Thinkpad's for many years and always buy the docking station, but it doesn't seem like the P17 really has one. ![]()
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