This dock works great, I recommend "Belkin Thunderbolt 3 Dock Pro". If you're looking for Display Port 1.4 compatibility on your MacBook, this "Dock Pro" is what you need. I couldn't find any exact answers for my specific configuration. If your configuration is similar to mine, here are my results. I have a Samsung CRG9 120Hz 5120x1440 resolution. It's paired with a 16 inch MacBook Pro and a Windows computer. This "Dock Pro" works exactly as advertised in combination with a DisplayPort 1.4 cable and reaches (without support) 5120 x 1400 at 60 Hz. With the "free" --EasyRes-- "Appstore" application the document can easily send a full resolution image at the highly desirable 120Hz (see screenshots). It is enough to charge and power the MacBook under full load. Thunderbolt 2 raids work successfully in daisy chain with an Apple Thunderbolt 2-3 dongle. I can confirm that the dock gets very warm, but works perfectly. It's definitely waking up to me (10.15.5). I've been very happy so far, but will update if anything changes.
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