[Q] Infinihost III @ Win2012 R2 performance tuning

[ethaniel86]

Hi

Switch - Flextronics unmanaged
NIC - Infinihost III Lx

20Gbps NIC is detected correctly in Windows but throughput is somehow slow..

++iperf test result++
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-1.00 sec 405 MBytes 3.40 Gbits/sec
[ 4] 1.00-2.00 sec 407 MBytes 3.42 Gbits/sec
[ 4] 2.00-3.00 sec 432 MBytes 3.62 Gbits/sec
[ 4] 3.00-4.00 sec 477 MBytes 4.00 Gbits/sec
[ 4] 4.00-5.00 sec 476 MBytes 3.99 Gbits/sec
[ 4] 5.00-6.00 sec 481 MBytes 4.03 Gbits/sec
[ 4] 6.00-7.00 sec 488 MBytes 4.09 Gbits/sec
[ 4] 7.00-8.00 sec 486 MBytes 4.07 Gbits/sec
[ 4] 8.00-9.00 sec 485 MBytes 4.06 Gbits/sec
[ 4] 9.00-10.00 sec 486 MBytes 4.08 Gbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-10.00 sec 4.51 GBytes 3.88 Gbits/sec sender
[ 4] 0.00-10.00 sec 4.51 GBytes 3.88 Gbits/sec receiver

Any idea i can improve the performance? Thanks!