---
title: "2K Memory Upgrade"
id: 13282
type: "product"
slug: "memory-modification-kit-to-2k"
url: "http://localhost/product/memory-modification-kit-to-2k/"
markdown_url: "http://localhost/product/memory-modification-kit-to-2k.md"
published_at: "2019-11-30T01:14:57+00:00"
modified_at: "2026-03-22T13:22:53+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Kit to increase the ZX81 to 2K."
category:
  - name: "RAM"
    slug: "ram"
    taxonomy: "category"
    url: "http://localhost/category/hardware/ram/"
post_tag:
  - name: "Cosmonics"
    slug: "cosmonics"
    taxonomy: "post_tag"
    url: "http://localhost/tag/cosmonics/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX81"
    slug: "zx81"
    taxonomy: "model"
    url: "http://localhost/model/zx81/"
genre:
  - name: "Hardware"
    slug: "hardware"
    taxonomy: "genre"
    url: "http://localhost/type/hardware/"
  - name: "RAM"
    slug: "ram"
    taxonomy: "genre"
    url: "http://localhost/type/ram/"
company:
  id: 10771
  title: "Cosmonics"
  type: "company"
  url: "http://localhost/company/cosmonics/"
price: 20
date: 1982
rarity: "Uncommon"
articles:
  - article:
      id: 24322
      title: "Resources (Sync v2 n2)"
      type: "article"
      url: "http://localhost/article/resources-sync-v2-n2/"
companies_products:
  - id: 10771
    title: "Cosmonics"
    type: "company"
    url: "http://localhost/company/cosmonics/"
---

# 2K Memory Upgrade

Kit to increase the ZX81 to 2K.