10 gig Nics for fast access to Quickbooks data file. Will this really help?

I have Quickbooks on two network PCs. The network has a 1 gig switch and right now all PCs have 1 gig nics. Quickbooks is very slow to load and even runs slower on the PC that accesses the data file over the network. I have two 10 gig nics. A 10 gig network switch is rather expensive. If I add the two 10 gig nics to both network PCs with a direct connection will the Quickbooks traffic default to these fast nics and speed up QBs on the PC that does not host the data file? I don't know a simple way to force all the QBs traffic through the faster nics and, of course, both PCs need to be on the greater network for internet access and other things.

I don't use QuickBooks, but supposedly their diagnostic tool can resolve a lot of performance issues.

It would be faster and to make it use the other nic you would simply want to configure those nics in a different cidr block and map a drive with that IP. Then change where data loads to that new mapped drive

I have used the tool. It doesn't really find anything. I have used QuickBooks for years. It was faster running on the hardware of the day years ago. Every year it get more bloated and slower. Your solution interests me but is a little bit over my head.