Tag: saturn 128k

2 matching upgrades

Showing 2 products.

StatusProductWhat it doesCompatibilityLinks
Build itChecked Jul 24, 2026RAM128by Garrett's Workshop
128kbsaturn 128ksramopen hardwarediy

Adds 128 KB of low-power Saturn-compatible bank-switched RAM to slot-based Apple II systems.

The assembled Tindie card was out of stock on 2026-07-24 and had been sold out since March 14, 2025. The open repository provides schematics, KiCad files, Gerbers, and documentation. In an Apple IIe or IIgs this is not normal auxiliary or fast memory; only software that understands a Saturn-type card in a peripheral slot can use it.

Sources
  • Apple II Exact model
  • Apple II Plus Exact model
  • Apple IIe Exact model
  • Apple IIgs Exact model
RAM128 product pageRAM128 hardware files
AvailableChecked Jul 24, 2026SMC Satanic128by Infinity Products
128kmemory expansionbank switchingram disksaturn 128kactivity led

Recreates the Saturn 128K bank-switched memory card for original Apple II systems.

The current Infinity Products storefront listed the assembled card without an out-of-stock marker on 2026-07-24.

Sources
  • Apple II Exact model
  • Apple II Plus Exact model
  • Apple IIe Exact model
SMC Satanic128 product and usage page