My Sandisk Extreme SSD Portable reaching ~40 celcius when it is idle

Hello everyone,

My Sandisk Extreme 1 TB Portable SSD reaching ~40 celcius when it is idle. Also, it never cools down from that level. I try to use another type c port in my mac but situation still same. Is it normal? Cause my seagate hdd is much cold at idle compared to sandisk extreme. 

Thanks,

Selçuk