The Mac SE came in March 1987 on the market an was the newer version of the Mac Plus. On the same time the Mac II was released. The Mac SE has one expansion slot and two 800k floppy drives. This Mac was the first with the Apple Desktop Bus (ADB). In August The SE was replaced by the SE FDHD.
Processor: MC68000 / 8 Mhz
RAM: 2.5 MB
ROM: 256 k
HD: 20MB
CD-ROM: not available
SCSI: DB-25
Serial Ports: 2
ADB: 2
Slots: 1 SE PDS
Floppy: 800k 3.25"
Sound Output: mono 8 bit
Sound Input: not available
Ethernet: not available
Monitor: 1 bit (Black & White) 512x342
Min System Software: 2.0 (6.0.3 for FDHD)
Max System Software: 7.5.5
Installed system: 6.0.2
Power: 100 Watts
Introduced: March 1987
Terminated: October 1990
Price as new: $2,898 US