---
title: "16K or 32K RAM Plans"
id: 12505
type: "product"
slug: "zx81-to-16k-or-32k"
url: "http://localhost/product/zx81-to-16k-or-32k/"
markdown_url: "http://localhost/product/zx81-to-16k-or-32k.md"
published_at: "2019-11-30T01:25:00+00:00"
modified_at: "2026-03-22T13:20:02+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Plans to expand 1K model to 16K or ZX81 with 16K to 32K for under $30. Fits inside ZX81."
category:
  - name: "RAM"
    slug: "ram"
    taxonomy: "category"
    url: "http://localhost/category/hardware/ram/"
post_tag:
  - name: "T. W. Cook"
    slug: "t-w-cook"
    taxonomy: "post_tag"
    url: "http://localhost/tag/t-w-cook/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - 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/"
  - 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/"
  - name: "RAM"
    slug: "ram"
    taxonomy: "genre"
    url: "http://localhost/type/ram/"
company:
  id: 11378
  title: "T. W. Cook"
  type: "company"
  url: "http://localhost/company/t-w-cook/"
price: 5
date: 1982
rarity: "Uncommon"
articles:
  - article:
      id: 24474
      title: "Resources (Sync v2 n6)"
      type: "article"
      url: "http://localhost/article/resources-sync-v2-n6/"
companies_products:
  - id: 11378
    title: "T. W. Cook"
    type: "company"
    url: "http://localhost/company/t-w-cook/"
---

# 16K or 32K RAM Plans

Plans to expand 1K model to 16K or ZX81 with 16K to 32K for under $30. Fits inside ZX81.