In addition, on Windows 10, the dock showed up in the Thunderbolt manager as connected and available while the Pegasus R6 showed up as connected but not available. I also went out and bought a TB3 dock which my machine identified and which showed a USB 3.1 drive on both MacOS and Windows 10. I tested it on two newer Macs (one with TB2 and one with TB3) to prove this. The Thunderbolt 1 version of this case doesn't work with a PC that has TB3. It turns out that while the original Thunderbolt 1 RAIDs (Pegasus R2, R4, R6, R8) work fine with any Mac (even if you use a TB1/TB2 to TB3 adapter) the same isn't true with PCs. I've been poking around on here for a couple of days and I'm just wondering if anyone else with the AsRock z390 ITX/AC Phantom Gaming mobo has run into this issue.ĮDIT: After several days of working the problem, I was finally able to get on the phone with Promise Technologies. I can also see it physically connected on my Windows 10 partition although I can't get it to communicate with the machine. The drive shows up and works fine on my wife's Macbook Air with TB2 and a friend's Macbook Pro with the TB3 adapter. It's a TB1 model (they also made a TB2 and the current one is TB3).

Pegasus2 r6 drive not mounting