While the D-50 uses Linear Arithmetic (LA) synthesis rather than pure RS-PCM, many of the "shimmering" pads and bell sounds in the U-220 were designed to mimic the D-50’s aesthetic. 2. Sample-Based Virtual Instruments

If you own the original 1U rack hardware, you can use a VST-based editor to control it from your computer.

Since the U-220 is a "ROMpler" (a synthesizer that plays back samples from ROM), the most accurate way to replicate it in software is through meticulous sample libraries.

If you are looking for an official Roland plugin that captures the spirit of the U-220, the library is your best starting point.

Producers like Martin78 have released free drum and FX kits captured directly from the hardware. 3. Software Editors (Hybrid Hardware/Software)

The remains a cult classic among synth enthusiasts for its "glassy" late-80s digital textures and iconic PCM sounds . While Roland has not released a dedicated "U-220 VST" as a single plugin, there are several ways to bring its specific RS-PCM (Re-Synthesized Pulse Code Modulation) magic into your modern DAW. 1. Official Roland Cloud Alternatives

This library features meticulously sampled factory patches and expansion cards, converted into a Native Instruments Kontakt format.