Crucial MX500 is too expensive in my country and i cant buy this SSD ..Gigabyte is better,
comparison: https://ssd.userbenchmark.com/Compare/Gigabyte-SSD-240GB-vs-WD-Green-240GB-2016/m554572vsm204096
However, i'd pay a bit extra and go with Crucial MX500 250GB SSD since it's better than Gigabyte and MX500 is also value king of 2.5" SSDs (with extra 10GB of storage space as well),
Gigabyte vs Crucial comparison: https://ssd.userbenchmark.com/Compare/Gigabyte-SSD-240GB-vs-Crucial-MX500-250GB/m554572vs3951
pcpp: https://pcpartpicker.com/products/compare/9Bc48d,4mkj4D,cDVD4D/
I too have Crucial MX500 SSD in use but mine is 1TB in size. (Skylake build, full specs with pics in my sig.)