Atari 260ST¶

• Released: 1985 (whole ST line)
• Discontinued: 1993 (whole ST line)
• OS: Atari TOS (loaded into memory from floppy disk)
• CPU: Motorola 68000 @ 8 MHz
• RAM: 512 KB
• ROM: 0 KB
• Video: ST Shifter
• Sound: Yamaha YM2149
• Floppy: 1.44 MB 3.5"

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Atari 520ST¶

• Released: 1985 (whole ST line)
• Discontinued: 1993 (whole ST line)
• OS: Atari TOS
• CPU: Motorola 68000 @ 8 MHz
• RAM: 512 KB
• Video: ST Shifter
• Sound: Yamaha YM2149
• Floppy: none

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Atari 520ST+¶

• Released: 1985 (whole ST line)
• Discontinued: 1993 (whole ST line)
• OS: Atari TOS
• CPU: Motorola 68000 @ 8 MHz
• RAM: 1 MB
• Video: ST Shifter
• Sound: Yamaha YM2149
• Floppy: none

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Atari 1040ST^E¶

• Released: 1985 (whole ST line)
• Discontinued: 1993 (whole ST line)
• OS: Atari TOS
• CPU: Motorola 68000 @ 8 MHz
• RAM: ??? MB (4 MB max.)
• ROM: 256 KB
• Video: ST Shifter, BLiTTER
• Sound: Custom, Yamaha YM2149
• Floppy: 1.44 MB 3.5"

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Atari 1040ST^F¶

• Released: 1985 (whole ST line)
• Discontinued: 1993 (whole ST line)
• OS: Atari TOS
• CPU: Motorola 68000 @ 8 MHz
• RAM: 1 MB (4 MB max.)
• Video: ST Shifter
• Sound: Yamaha YM2149
• Floppy: 1.44 MB 3.5"
• Notes: No RF modulator

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Atari MEGA 1¶

• Released: 1985 (whole ST line)
• Discontinued: 1993 (whole ST line)
• OS: Atari TOS
• CPU: Motorola 68000 @ 8 MHz
• RAM: 1 MB (??? MB max.)
• Video: ST Shifter
• Sound: Yamaha YM2149
• Floppy: 1.44 MB 3.5"
• Notes: No RF modulator