The Cube Black has
IMU 1 MPU9250
IMU 2 LSM303D/L3gd20
IMU 3 MPU9250 (compass not used in ardupilot)
Cube Orange has
IMU 1 ICM20948
IMU 2 ICM20602
IMU 3 ICM20649
CubeOrange Pro
IMU 1 Secret
IMU 2 ICM20602
IMU 3 ICM20649
Yes the Lsm303d and L3gd20 are EOL it’s time to switch to orange