Sanyo MBC-550 series

Sanyo MBC-550 series
Sanyo MBC-555 on display at the Living Computer Museum
DeveloperSanyo Electric
TypePersonal computer
Release dateMarch 1984 (1984-03)
Lifespan1984–1988
Introductory price<$1000
Discontinued1988
Units sold10,000+
Operating systemMS-DOS 2.11 (optional: CP/M 86, Concurrent CP/M-86)
CPUIntel 8088 at 3.58 MHz
Memory128 KB
Removable storagefloppy disks
DisplayRGB Color Monitor CRT-70; Monochrome Monitor CRT-36; 40×25 or 80×25 text modes; 144×200, 576×200 or 640×200 graphic modes with 8 colors
GraphicsHD46505 CRTC, RGB graphics adapter
SoundBuzzer (single buzztone sound, fixed duration)
InputKeyboard
Controller inputApple compatible Joystick
Connectivity1 parallel port
Power120 V AC (North American model)
Dimensions380 × 112 × 360 mm
PredecessorMBC-1000

The MBC-550 series, also known as the MBC-550/555, is a series of personal computers sold by Sanyo. It was unveiled at the COMDEX/Spring '83 in April 1983 and first released to market in March 1984.:12 All models in the MBC-550 series featured pizza-box-style cases and Intel 8088 microprocessors and run versions of MS-DOS. On its release in 1984, the MBC-550 was the least expensive IBM PC compatible released to date, at a price of US$995 (equivalent to $3,010 in 2024). The MBC-550 series followed Sanyo's MBC-1000 line of CP/M computers.