Why my P10 only have about 110 mb/s

It claims to have 140mb/s, but I had tested for times(with CrystalDiskMark),it turned out to be the same.Is my drive a defective one? Should i return it?

Hi @SilVanguard,

Have you opened a Support Case? If not opened, for more information, please contact the WD Technical Support team for the best assistance and troubleshooting: