The ​3 1⁄2-inch drives sold more than a decade later still use the same 1.44 MB HD format that was standardized in 1989, in ISO 9529-1,2.
3½-tollised draivid, mida müüdi veel kümnendki hiljem, kasutasid endiselt sedasama 1,44 MB HD formaati, mis standardiseeriti 1989. aastal ISO 9529-1,2-ga.