---
title: "ZX-G Expansion Unit"
id: 14755
type: "product"
slug: "zx-g-expansion-unit"
url: "http://localhost/product/zx-g-expansion-unit/"
markdown_url: "http://localhost/product/zx-g-expansion-unit.md"
published_at: "2019-11-30T01:18:02+00:00"
modified_at: "2026-03-22T13:20:36+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2020/10/Southern-Computer-Systems-ZX-G.jpg"
excerpt: "High resolution hardware unit with 48K RAM. Allow for creating memory-mapped images at 256x192 pixels. Graphics can be drawn, moved, rotated, mixed with text, saved on cassette or printed. Software on cassette supports drawing lines, circles and rectangles. Four high resolution screens can be stored in addition to 16K program. May have been later sold…"
category:
  - name: "Graphics"
    slug: "graphics"
    taxonomy: "category"
    url: "http://localhost/category/hardware/graphics/"
post_tag:
  - name: "Southern Computer Systems"
    slug: "southern-computer-systems"
    taxonomy: "post_tag"
    url: "http://localhost/tag/southern-computer-systems/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
genre:
  - name: "Hardware"
    slug: "hardware"
    taxonomy: "genre"
    url: "http://localhost/type/hardware/"
company:
  id: 11333
  title: "Southern Computer Systems"
  type: "company"
  url: "http://localhost/company/southern-computer-systems/"
price: 99.95
date: 1982
rarity: "Uncommon"
adverts:
  - publication:
      - id: 26645
        title: "SYNC v2 n5"
        type: "issue"
        url: "http://localhost/issue/sync-v2-n5/"
    advert_page: "25"
  - publication:
      - id: 26648
        title: "SYNC v3 n2"
        type: "issue"
        url: "http://localhost/issue/sync-v3-n2/"
    advert_page: "66"
  - publication:
      - id: 26652
        title: "SYNC v3 n6"
        type: "issue"
        url: "http://localhost/issue/sync-v3-n6/"
    advert_page: "24"
companies_products:
  - id: 11333
    title: "Southern Computer Systems"
    type: "company"
    url: "http://localhost/company/southern-computer-systems/"
---

# ZX-G Expansion Unit

High resolution hardware unit with 48K RAM. Allow for creating memory-mapped images at 256×192 pixels. Graphics can be drawn, moved, rotated, mixed with text, saved on cassette or printed. Software on cassette supports drawing lines, circles and rectangles. Four high resolution screens can be stored in addition to 16K program.

May have been later sold by [Minny Electronics](http://localhost/company/minny-electronics/) as the [ZX-GR](http://localhost/product/zx-gr/).

Includes own power supply. EPROM programmer optional.

![Image](http://localhost/wp-content/uploads/2020/10/Southern-Computer-Systems-Sync_Volume_3_Number_1-scaled.jpg)

![Image](http://localhost/wp-content/uploads/2020/10/Southern-Computer-Systems-ZX-G-1.jpg)