generally speaking no, it’s not necessary
but you may run into big problem … searching this forum i found the WD10EZEX uses Advanced Format 4096 bytes per sector. (source link below)
if your 500 GB in the Dell is 512 bytes … then according to Acronis site, cloning is not possible if the sector sizes are different.
https://kb.acronis.com/content/56634
there is apparently 3rd party software however that can do it … Copying Drives with Different Block Sizes | The Easiest Way
