WD40EZRZ Transfer speed 17-25mb/s

just as the topic says i can’t get more than that with big files small files no clue what is happening here could someone help me out.

Hello Lecktek,

Mostly poor or slow data transfer of internal hard drives are usually caused by system configuration issues. If the performance issue is directly related to the hard drive, you can use Data Lifeguard Diagnostic to check the health of the drive. You may follow below mentioned article to check more details about this: