July 18, 20232 yr I'm not able to get any faster speeds than around 7Gbit on this card (also I'm not able to turn off flow control). I'm not testing SMB yet it's just iperf3 bandwidth. SMB is even slower. What can I tune / do different? Diagnostics are attached. I tried it using a client with Windows / Ubuntu using an asus xc100c v2 card. The client is using a Ryzen 9 5950 CPU and the server is using an Intel i5-12500T CPU. Both are not at all under load during my tests. Physical Layer: I'm using CAT8.1 cabling in my house and also tried a directly connected CAT7 cable from the client to the server (10m). Both provide the exact same results. nas01-diagnostics-20230718-1602.zip
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