Do you mean the network card? It is says 10Gbit/s in lshw :
description: Ethernet interface
product: cLOM8214 1/10GbE Controller
vendor: QLogic Corp.
physical id: 0.1
bus info: pci@0000:0d:00.1
logical name: ens3f1...
The problem
I have bought a hp nc523sfp 10gbe network card for my server (dl380g6) because I upgraded my internet plan to a 10gb/s connection. The problem is that my server is recognized by the rooter as a 10gb/s capable and my server is capped to arround 300mb/s even using the old peripheral. I...