SMB3 multichannel does allow you to exceed 1Gbps across multiple bonded links. If your NAS has 3 or 4 1Gig ports, that might get you there, with an intel 10Gig

SMB3 multichannel does allow you to exceed 1Gbps across multiple bonded links. If your NAS has 3 or 4 1Gig ports, that might get you there, with an intel 10Gig card in your desktop and a 10Gig-capable switch.