iperf\iperf.exe -c server -r -i 2 -w 524288
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 512 KByte
------------------------------------------------------------
------------------------------------------------------------
Client connecting to server, TCP port 5001
TCP window size: 512 KByte
------------------------------------------------------------
[ ID] Interval
Transfer Bandwidth
[ 4] 0.0- 2.0 sec 24.0 MBytes
101 Mbits/sec
[ 4] 2.0- 4.0 sec 24.1 MBytes 101
Mbits/sec
[ 4] 4.0- 6.0 sec 30.2 MBytes
127 Mbits/sec
[ 4] 6.0- 8.0 sec 30.8 MBytes
129 Mbits/sec
[ 4] 8.0-10.0 sec 28.1 MBytes
118 Mbits/sec
[ 4] 0.0-10.0 sec 137
MBytes 115 Mbits/sec
[ 4] 0.0- 2.0 sec 6.67 MBytes 28.0
Mbits/sec
[ 4] 2.0- 4.0 sec 6.87 MBytes 28.8
Mbits/sec
[ 4] 4.0- 6.0 sec 4.33 MBytes 18.2
Mbits/sec
[ 4] 6.0- 8.0 sec 6.17 MBytes 25.9
Mbits/sec
[ 4] 8.0-10.0 sec 6.05 MBytes 25.4
Mbits/sec
[ 4] 0.0-10.1 sec 30.4 MBytes 25.2
Mbits/sec
If I change the HT Mode from VHT Mode (AC) to HT Mode (N) in the driver properties, then my results get much better.
[ ID] Interval Transfer Bandwidth
[ 4] 0.0- 2.0 sec 33.4 MBytes
140 Mbits/sec
[ 4] 2.0- 4.0 sec 30.6 MBytes
128 Mbits/sec
[ 4] 4.0- 6.0 sec 33.0 MBytes
138 Mbits/sec
[ 4] 6.0- 8.0 sec 33.0 MBytes
138 Mbits/sec
[ 4] 8.0-10.0 sec 34.4 MBytes
144 Mbits/sec
[ 4] 0.0-10.0 sec 164
MBytes 138 Mbits/sec
[ 4] 0.0- 2.0 sec 25.8 MBytes
108 Mbits/sec
[ 4] 2.0- 4.0 sec 30.9 MBytes
130 Mbits/sec
[ 4] 4.0- 6.0 sec 29.6 MBytes
124 Mbits/sec
[ 4] 6.0- 8.0 sec 30.7 MBytes
129 Mbits/sec
[ 4] 8.0-10.0 sec 31.3 MBytes
131 Mbits/sec