hello i recently had 10 gig fiber installed so i bought a synology E10g18-t1 network card. I have jumbo packets enable but some reason i still am only getting around 5-6 gigs at the most the internet company said its not on their end. it is hooked up with a 3ft cat8 ethernet cable directly to the modem. When i run a speed test with task manager open I'm not seeing spikes in anything any help would be appreciated.
pc specs
cpu i9-13900KF
gpu - ASUS ROG Strix GeForce RTX 4090 OC
motherboard- ASUS ROG Strix Z790-A
power supply- corsair rm1000x
nvme- samsung 990 pro series 1tb pcie gen4
memory- hp v10 rgb 4x8gb 3600mhz ddr4 cl14
network card- synology E10g18-t1
pc specs
cpu i9-13900KF
gpu - ASUS ROG Strix GeForce RTX 4090 OC
motherboard- ASUS ROG Strix Z790-A
power supply- corsair rm1000x
nvme- samsung 990 pro series 1tb pcie gen4
memory- hp v10 rgb 4x8gb 3600mhz ddr4 cl14
network card- synology E10g18-t1