I can't give an remote session, sorry. This is being used for a business. However, the thread StefanM linked is exactly the same. This server is a Gigabyte, just like the motherboard in that thread. I'm not sure how GPUz queries the memory usage, so not sure if the motherboard is relevant at...
GPU-Z reports 100% memory utilization for Tesla T4 cards. Monitoring the same card with Nvidia SMI reports the correct usage. Confirmed in GPU-Z v2.36.0 (latest). This is not a new issue.