probably the aqc107 based v1 - it's only pcie3 so in an 3x1 slot those iperf numbers would be about what you'd expectMaybe I had an older version of the ASUS here. I tried both in my PCIe 4.0 x1 slot, and only the OWC yielded full 10 GBit speeds. The ASUS topped out at 6-7 GBit. iPerf:
ASUS
[SUM] 0.0-10.0 sec 7.18 GBytes 6.16 Gbits/sec
OWC
[SUM] 0.0-10.2 sec 11.0 GBytes 9.29 Gbits/sec