Jbattersby · Public domain · Wikimedia Commons
ZX Printer
Sinclair’s compact spark printer: prints on aluminium-coated paper, 32 characters per line.
Peripherals
8 devices
Devices that extended the Spectrum: loading and printing, joysticks and storage.
Mauricio González · CC BY-SA 3.0 · Wikimedia Commons
ZX Interface 1
An add-on that clips under the case: microdrive controller, an RS-232 port and the ZX Net local network.
Scott Telford (derivative work: Ubcule) · CC BY 2.5 · Wikimedia Commons
ZX Microdrive
A tape loop cartridge drive — faster than cassette, driven through the Interface 1.
Mauricio González · CC BY-SA 3.0 · Wikimedia Commons
ZX Interface 2
A slot for ROM game cartridges and two joystick ports.
StuartBrady · Public domain · Wikimedia Commons
Kempston Joystick Interface
A joystick interface whose addressing scheme became the de facto standard supported by games.
Middleman 77 · CC BY-SA 3.0 · Wikimedia Commons
Rotronics Wafadrive
A dual stringy-floppy “wafer” drive with built-in Centronics and RS-232 ports — a Microdrive rival, though slower.
Miguel Durán · CC BY-SA 2.5 · Wikimedia Commons
MGT DISCiPLE
A wedge-shaped under-case interface: a floppy-disk controller, a parallel printer port, two joystick ports and the ZX Net network.
AGRR · CC BY-SA 4.0 · Wikimedia Commons
Multiface One
A “magic button” utility: one press snapshots the machine’s memory to cassette, Microdrive or disk — how players saved their place in games.