What kind of throughput is achievable with USBX and CDC_ACM using the HS USB peripheral of the STM32U5A5ZJ?  Im guessing its no where near the 480 Mbps.  Any tips on getting this data out at the maximum rate and without dropping data?

I am planning to use an STM32U5 SPI peripheral and I want to do a SPI read of a "black box" that doesnt exist yet. currently the planned output of this device has this configuration where the chip select is high for 5 bytes of data. the STM32U5 is ca...