Up for sale is a genuine, vintage 1990 Apple Macintosh IIci Cache Card (Part No. 820-0351-A). This 32KB Level 2 Cache memory expansion board plugs directly into the processor direct slot (PDS) of an Apple Macintosh IIci computer to deliver a historic 20% to 30% boost to CPU throughput performance.The board is in clean cosmetic condition with straight pins and features its original VLSI controller chip and SRAM chips.Please Note: This item is currently untested and is being sold strictly AS-IS / For Parts or Repair due to its age. Vintage electronic components like this may require recapping or troubleshooting before use in a working retro-computing setup.