High latency with low resource usage


Just got cubase 10, and was wondering if it’s normal to not be able to get buffer below 128-192 samples on the 9.5 demo song.
Interface is a UR824, CPU is never hitting 25%, have plenty free memory, and cubase runs from a quick SSD (NVMe) under win10.

Are there any less obvious settings which i should be aware of? Or any services/applications that i should kill when using cubase?