If you are chasing the experience, your best bet is to download the KORG Collection M1 . It provides the same synthesis engine, the same PCM heritage, and a much more stable user interface for modern Windows and Mac systems.
If you acquire a sample pack, look for these patch names. These are the X3's claim to fame: korg x3 vst
The X3 boasted a wide range of features, including: If you are chasing the experience, your best
—you’ve likely noticed a gap in the Korg Collection. While Korg has emulated the M1 and the Triton, the X3 remains a "hardware-only" legend. If you are chasing the experience
You lose the ability to deep-edit the synthesis parameters (oscillators, filters, and envelopes) that you would have in a dedicated VST. Why Producers Still Want the X3 Sound