Models: C64-Aldi, C64 Games System, C64C, C64C CR, SX-64, Commodore MAX Machine, PET64

Release: August 1982

Discontinued: April 1994

Price: US$595

CPU: MOS Technology 6510/8500 @ 1.023 MHz (NTSC version) / @ 0.985 MHz (PAL version)

RAM: 64 KB

Display: 25 X 40 text, 320 X 200, 16 colors max

Ports: TV, RGB & Composite Video, 2 Joysticks, Cartridge Port, Serial Peripheral Port

Storage: Cassette, 5.25", Floppy (1541 Drive)

OS: Commodore KERNAL/BASIC 2.0, GEOS (optionally)

Models: PC 5150

Release: August 12, 1981

Discontinued: April 2, 1987

Price: US$1,565

CPU: Intel 8088 @ 4.77 MHz

RAM: 16 KB - 256 KB (motherboard) (DRAM)

Display: CGA (640x200, 4 colors) or MDA (text). IBM 5151 Monochrome Display, IBM 5153 Color Display

Ports: Cassette & Keyboard only, 5 internal expansion slots

Storage: 5.25" Floppy drives (160 KB or 320 KB), Cassette

OS: IBM BASIC, PC DOS 1.0, CP/M-86

Models: Apple II, II+, IIe, IIc, IIc+

Release: June 1977

Discontinued: October 1993

Price: US $1298 (4K RAM), US $2638 (48K RAM)

CPU: MOS 6502 @ 1 MHz

RAM: 4 KB - 48 KB (expandable)

Display: NTSC video out (built-in RCA connector), 280 X 192, 40 X 24 text 6 colors maximum

Ports: 8x Expansion slots, Cassette, Composite video

Storage:Audio cassette, 5.25 inch floppy disk, 3.5 inch floppy disk

OS: Integer BASIC, Apple DOS, ProDOS, GS/OS, GNO/ME

Models: Zorba 7, Zorba 2000

Release: 1983

Discontinued: 1984 (?)

Price: US$1,595

CPU: Zilog Z-80 @ 4MHz

RAM: 64 KB

Display: 7-inch green/amber CRT, 80x24 text

Ports: 2 Serial, Parallel, IEEE-488

Storage: Two Internal Floppy Drives

OS: CP/M 2.2

Models: Jupiter ACE

Release: April 1983

Discontinued: 1984

Price: US $149.95

CPU: Z80 @ 3.25 MHz

RAM: 3 KB

Display: 32 x 24 monochrome characters, 127 redefinable 8 x 8 pixel characters, semigraphics

Ports: User Port Expansion (RAM) Port

Storage: Two Internal Floppy Drives

OS: FORTH in ROM