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Altair 680

CBM PET 2001/8k

TRS-80 Model I

TRS-80 Model II

TRS-80 Model III

TRS-80 Model 4

TRS-80 Model 4p

TRS-80 Model 2000HD

Apple ][+

Apple //e

Apple Macintosh 512k

CBM 8096

Timex/Sinclair 1000

Osborne 1

Radio Shack (logo)

TRS-80 Model 4p

Introduced:
CPU:
RAM:
Screen:
Disk Storage:
Operating System:
Hard Disk:

1984
Zilog Z80
64k or 128k
80 columns by 24 rows
180k per side
TRS-DOS 6.0 to 6.2, LS-DOS 6.3
Optional

The Model 4p, was the luggable version of the Model 4. It's specs matched those of it's bigger brother except for its smaller screen. (Still huge compared to the Osborne.) It lacked the Model III mode that the desktop had, though.