How to Get Network Adapter PCIe Link Speed in Windows

[Rohit Kumar]

This quick 2-step guide shows you how to get network adapter PCIe link speed in Windows 10 and Windows Server to help network troubleshooting

The post How to Get Network Adapter PCIe Link Speed in Windows appeared first on ServeTheHome.

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[pricklypunter]

Handy wee tidbit

 

[SRussell]

Very educational information.

 

[zer0sum]

This command is fun on Linux

sudo lspci -vv | grep -P "[0-9a-f]{2}:[0-9a-f]{2}\.[0-9a-f]|LnkSta:"

01:00.0 Non-Volatile memory controller: Silicon Motion, Inc. Device 2262 (rev 03) (prog-if 02 [NVM Express])
LnkSta: Speed 8GT/s (ok), Width x4 (ok)
03:00.0 Serial Attached SCSI controller: Broadcom / LSI SAS3008 PCI-Express Fusion-MPT SAS-3 (rev 02)
LnkSta: Speed 8GT/s (ok), Width x4 (downgraded)
04:00.0 Ethernet controller: Mellanox Technologies MT27500 Family [ConnectX-3]
LnkSta: Speed 8GT/s (ok), Width x4 (downgraded)
05:00.0 Serial Attached SCSI controller: Broadcom / LSI SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] (rev 03)
pcilib: sysfs_read_vpd: read failed: Input/output error
LnkSta: Speed 5GT/s (ok), Width x8 (ok)