Thanks for your reply. I have solved this problem by uninstalling http://support.lenovo.com/us/en/products/laptops-and-netbooks/lenovo-y-series-laptops/y50-70-notebook-lenovo/downloads/DS100261 Intel Rapid Storage Technology Driver. It must be incomp...
Could you teach me what to do after setting transfer request size of 128? Do I need save or load the profile?The speed did not change after I added the specifications.
