EPS Sampler with 4X Mem. Exp. – Dave's Guitar Shop
Used Ensoniq ASR-10 Sampling Keyboard
Korg Microsampler - Sampler
This year's Def Con entry badge was a working sampler keyboard, it even has a built-in puzzle that requires specific note inputs and linking with other badges. : r/synthesizers
Discontinued Korg microSAMPLER Sampling Keyboard - Nearly New at Gear4music