reFX Nexus 5 with all expansions is the complete edition of reFX’s preset-based synthesizer plugin (written NEXUS5 by reFX), with more than 200 expansions and over 34,000 presets. It is for producers who want a very large library of ready-made sounds they can also tweak and build on. It runs as a VST2, VST3, AU or AAX plugin on Windows 10 or 11 and on macOS 10.13 or later, including Apple Silicon, and needs over 300 GB of free disk space.
What is the reFX Nexus 5 VST?
Nexus 5 is the current version of reFX’s Nexus synth. It combines sample playback with eight sound generators, effects, an arpeggiator and a trancegate. Its open architecture lets you build presets, load your own samples and create routings, with a built-in sample editor that slices and loops samples automatically.
What’s new in Nexus 5
- More than 1,100 new factory presets compared with Nexus 4
- New effects: Bucket Brigade Delay, Particle Reverb, Vowel Filter, Rotary and Pusher
- A retro skin that recreates the NEXUS2 interface
- Works with your existing Nexus projects and libraries
Key features
- Eight generators: Virtual Analog, Sampler, Wavetable, Time Stretcher, Retro Sampler, Grain, Cloud and FM
- Built-in sample editor with automatic slicing and looping
- Arpeggiator and trancegate
What’s included with all expansions
- More than 200 expansions: the complete set from reFX
- Over 34,000 presets
- Over 300 GB of samples
- Factory content with over 6,800 multi-samples, over 200 impulse responses, over 100 arpeggiator presets and around 50 trancegate presets
Which version to choose: Nexus 4 or Nexus 5
Nexus 5 is the current version, with the new presets, effects and retro skin listed above, and it opens existing Nexus projects and libraries. reFX does not publish a full comparison. reFX Nexus 4 is the previous version.
System requirements
- Windows: Windows 10 or 11; 2.0 GHz CPU with SSE 4.2 (Intel/AMD from 2010 or newer)
- macOS: macOS 10.13 or later, including Tahoe; Apple Silicon M1 (native) or Intel 2.0 GHz with SSE 4.2
- RAM: 8 GB minimum, 16 GB or more recommended
- Disk: over 300 GB of free space for the plugin with all expansions
- A 64-bit host and a 1024×768 display or higher
reFX lists FL Studio, Ableton Live, Logic Pro, Cubase, Pro Tools, Bitwig Studio and Reaper as compatible hosts. See more synth plugins or everything from reFX.

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