![]() ![]() so Lenovo dock alone cannot handle full speed charge and MBP may start loosing battery % during higher loads. Some MBPs are also power hungry when it comes to TB3 - MBP 15" is ~90w, newer 16" - ~100w. ![]() If your MacBook supports DP 1.2 only - you might need to swap monitors around and leave 1440p via Lenovo dock and allow usb-c dongle to handle bigger monitor (it can handle up to 4K60Hz alone just fine). the best you can have - main monitor will still work, but you need a second dongle to connect 2nd monitor to mac - at least usb-c -> DP 1.2 dongle for 20$ in second port on your MacBook. So if your Mac can do DP1.4 (and I hear MBP with Radeon dGPU can, at least work issued MBP 15" 2018 appears to drive 4K60Hz over Lenovo USB-C gen 2 dock and still has USB 3.0 at the same time) - it should be able to get one main monitor + USB3.0 via same 40AS dock. macOS requires TB3 to do multiple monitors (software limitation). 3440x1440p + 1440p should be possible (it allegedly can do dual 4K60Hz according to Lenovo documentation with DP1.4 AMD machines, I sadly don't have Ryzen 4000 machine yet to test).Ĭompatibility with macOS is a show stopper for universal single cable approach. New USB-C gen 2 dock from Lenovo (40AS) appears to match AMD Ryzen 4000 machines perfectly - it does more than DP 1.2 over USB-C could ever do and for machines without TB3 it's very nice. I believe new machines with Ryzen 4000 rely on DP1.4 over USB-C for the best possible "outcome" for their external monitor connections. TL DR single cable dock for 2 monitors has to be TB3 for macOS, and there is no TB3 on Ryzen 4000 machines => all shared solutions are suboptimal unless you buy 2 docks, but combination of 40AS Lenovo dock for 150$ and 20$ usb-c ->DP1.2 dongle seems like a reasonable price and compromise (slower charge and 2 cables for MacBook, perfect match for T14s with full charge and single usb-c connection ) ![]()
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