WD SSD Green Slow sequential writing speed

Hi there,

Recently bought WD SSD Green 2.5’ and it has very slow writing speeds, is this supposed to be the case? and WD dashboard is showing perfect status.

Model String: WDC WDS240G2G0A-00JH30
Serial Number: 174745803656
Maximum LBA: 468877311
World Wide Name: 5001B448B69BA790


My machine: