---
title: "2K RAM Upgrade"
id: 11582
type: "product"
slug: "2k-ram-for-zx81"
url: "http://localhost/product/2k-ram-for-zx81/"
markdown_url: "http://localhost/product/2k-ram-for-zx81.md"
published_at: "2019-11-30T01:25:37+00:00"
modified_at: "2026-03-22T13:19:59+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Internal upgrade; replaces existing RAM chips."
category:
  - name: "RAM"
    slug: "ram"
    taxonomy: "category"
    url: "http://localhost/category/hardware/ram/"
post_tag:
  - name: "Powertronix Electronics"
    slug: "powertronix-electronics"
    taxonomy: "post_tag"
    url: "http://localhost/tag/powertronix-electronics/"
  - 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: 11187
  title: "Powertronix Electronics"
  type: "company"
  url: "http://localhost/company/powertronix-electronics/"
price: 11.95
date: 1983
rarity: "Uncommon"
adverts:
  - publication:
      - id: 26647
        title: "SYNC v3 n1"
        type: "issue"
        url: "http://localhost/issue/sync-v3-n1/"
    advert_page: "71"
companies_products:
  - id: 11187
    title: "Powertronix Electronics"
    type: "company"
    url: "http://localhost/company/powertronix-electronics/"
---

# 2K RAM Upgrade

Internal upgrade; replaces existing RAM chips.