Released as early as 1990, an upgraded version of the OPL2 known as the YMF262 (a.k.a. OPL3) was developed. It improves on the feature-set of the YM3812, which notably includes the ability to use four

-operator FM synthesis. This makes the YMF262 produce more harmonically richer sound than its predecessors, similar to that of contemporary consumer synthesizer keyboards such as Yamaha DX100.