USB flash drive or flash drive?
Storage device with flash-memory (flash-memory - electrically reprogrammable memory) in colloquial speech is called a "flash drive". The dictionaries have not yet recorded the correct spelling of this word, so the question of how to spell “flash drive” or “flash drive” remains open. VN Trishin's dictionary of synonyms fixes such synonyms for the word “flash drive”: drive, flash drive, flash drive. Thus, both spellings are allowed.
Based on the English source of flash (instant, flash), we can assume that the term is written with the letter "e", since it conveys the sound of the English word better (we compare flesh - meat, flesh). However, according to the spelling rule, the letter “e” is written after the hard consonants, although it is pronounced [e]. For example, player (player), manager, brand, orchid. The exceptions are the words mayor, sir, racket, peer, plein air, as well as some proper names.
Examples of use: He recorded a lot of interesting movies on a flash drive. I want to format the USB flash drive as it works slowly.