CPU: Motorola 68030 @ 32 MHz (system bus @ 16 MHz).

FPU: Motorola 68882 @ 32 MHz.

RAM: 2 MB ST RAM expandable to 12 (26?) MB, TT RAM expandable to 256MB on daughter board (SIMM).

Operating System: TOS with GEM graphical user interface (GUI), TOS versions: 3.01, 3.05 or 3.06 in ROM.

Display modes: ST mode - 320×200 (16 color)
- 640×200 (4 colors)
- 640×400 (2 colors)
TT mode - 320×480 (256 colors)
- 640×480 (16 colors)
- 1280×960 (mono).

Colors: palette of 4096

Sound: - Yamaha 2149F,
- National LMC 1992, same as in STe.

Keyboard: detachable, Joystick and Mouse ports.

Drive: 1.44 MB (later version) or 720 KB (first TT version) 3½" floppy disk drive.

Ports: VMEbus inside case, 4 x RS-232(DB9), Centronics (DB25), Serial LAN RS-422, MIDI IN, MIDI OUT, SCSI (DB25), DMA (ACSI - DB19), Floppy, stereo (cinch), ROM Cartridge, VGA Monitor (analog RGB and Mono, DB15).