This E5000 Ultra is running EOS 4.70, with 128MB max sample RAM, 64 Voices, 8MB CPU RAM, 4MB CPU Flash and internal FAT32 formatted 120GB IDE hard drive. These samplers offer so much editing features. The Filter section is warm for being a digital one and that's what these are known for. All buttons respond, encoder is smooth, no jumping, the screen is fine. Included on the hard drive are 37 original E-MU cd roms disks. WCC..Green, E4 Ultra Sound Set back-up (more Presets for ESynth ROM if installed), E-MU Standards (EIII Sounds 1-8) Vol.1 Emulator Standards, Vol.2 More Emulator Standards, Vol.3 Orchestral, Vol.4 Sound FX, Vol.5 World Instruments, Vol.6 World Percussion/Ensembles, Vol.7 E-MU Classics, Vol.8 Vintage (Synths), Vol.9 Psychic Horns, Vol.10 Elements of Sound 1MB, Vol. 11 Elements of Sound 2MB, Vol. 12 ESI-32 Production Sound Set Disk 1&2, Vol.13 Dance 2000, Vol.14 General MIDI, Vol.15 Dan Dean Bass, Vol.16 Twenty Six Studio Drums and Percussion, Vol.17 Heavy Guitars. Formula 4000's Analog Odyssey, Techno Trance, Hip-Hop Nation, Earth Tones, Protozoa, Producer Series Vol.1, Vol.2, Vol.3 Hollywood Sound Effects, Vol.4, Danny Jeager Private Collection, Vol.5 3-D Audio Collection, Vol.6 Analogia Project Disk 1&2, Vol.7 Old World Instruments, Vol.8 Platinum Phatt Disk 1&2, Rob Papen TSCYand Millennium Synths. 17 Proteus 2000 series ROM's copied directly from my Platinum sampler. Ensoniq Project (641 Presets, 962 Samples), ZR-76 (443 Presets, 980 Samples), Orbit/Phatt (474 Presets, 997 Samples), Vintage Pro (139 Presets, 847 Samples) Composer (186 Presets, 903 Samples), Mo' Phatt (451 Presets, 717 Samples), X-Treme Lead (284 Presets, 746 Samples, Techno Construction Yard (609 Presets, 574 Samples), Beat Garden (424 Presets, 767 Samples), B3 (140 Presets, 579 Samples), Orchestra 1 (67 Presets, 449 Samples), Orchestra 2 (177 Presets, 796 Samples), Advanced Orchestra (58 Presets, 402 Samples), World Expedition (734 Presets, 763 Samples), Holy Grail Piano (1 Preset, 46 Samples), Protozoa (no Presets, 801 Samples), PX-7 Protean Drums (no Presets, 703 Samples. Power cord included.