Will update this post and follow up with this Thanks for that link and the usb c with cable swap recommendation. I want to dedicate 1 slot of the highpoint card for a desktop dock, and definitely want to make the best use of that but I'm still unsure which dock to get. I have a few direct USB AC high speed cables that I connect drives to for inbound data, connected directly to the Highpoint card. Thanks for all the good info ! Unfortunately I don't have thunderbolt and for my needs for now, this setup is good. I do have a couple other USB NVMe's I could test.

That would be 4 hubs and Thunderbolt, but the SIIG doesn't like some USB connections (not enough power?). And I could connect the CalDigit SOHO which is another USB 10 Gbps hub. The Element hub has one hub connected to another internally.

For example, if I connect the NVMe to a CalDigit Element Hub which is connected to the USB hub of the HP Thunderbolt Dock G2, then I get 989 MB/s (that's going through two hubs and Thunderbolt). When connected to the USB hub of a HP Thunderbolt Dock G2, it gets 1003 MB/s.Ī Thunderbolt 4 hub can be used as a USB hub. For example, a gen 4 NVMe in a SIIG Gen 2x2 enclosure (running at Gen 2x1) does 1047 MB/s (read) connected directly to a Mac mini 2018. I think performance to USB 3.1 gen 2 hubs is pretty good - it doesn't drop the performance of a 1060 MB/s USB NVMe by much. I think you should find a powered USB-C one that has a detachable cable so you can connect a USB-A to USB-C cable. Do you have a MacPro5,1 or a MacPro7,1? I expect 4000 MB/s in a MacPro7, MB/s in a MacPro5,1. ATTO Disk Benchmark.app of four USB NVMe (or however many you have to saturate the bandwidth). AmorphousDiskMark.app test of a USB NVMe. Click to expand.I would like to see the following:

Plug usb 3 card into pci2 x4 or x16