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Sinclair ZX Spectrum 128

ZX Spectrum 128 · 1985–1988 · desktop

Specifications

Cpu
Zilog Z80A, 3.5469 MHz
Ram
max: 128 KB (paged as 8 banks of 16 KB through port 0x7FFD) · base: 128 KB
Ports
Rear edge-connector expansion bus · RGB monitor output · RS-232 / MIDI out combo socket · Keypad socket for the external numeric keypad · Cassette in/out (ear/mic jacks) · RF TV output
Display
Same ULA video as the 48K: 256×192 graphics, 8 colors (2 shades each), attribute clash intact · adds a proper RGB monitor output
Storage
base: Cassette tape via a domestic tape recorder (no internal storage) · options: ZX Microdrive and third-party disk interfaces via the expansion bus · Built-in 3" floppy drive on the Amstrad-era +3 model
Os Support
latest: 128 BASIC (48K mode remained for legacy software) · shipped: 128 BASIC with editor, plus 48K compatibility mode
Release Price
£179.95 (UK launch, February 1986)

Variants

Revisions
ZX Spectrum 128 (Spain)Developed with Investrónica and launched in Spain first, September 1985
Amstrad ZX Spectrum +21986, Amstrad era: built-in cassette deck, grey case
Amstrad ZX Spectrum +2A1987, +3-derived board in a black +2-style case
Amstrad ZX Spectrum +31987, built-in 3" floppy drive, +3DOS

Upgrade paths

No upgrade data for this model yet.