What is it?

This Saturn-compatible memory card for Apple II computers features authentic SEC KOREA KM681000CLP-7 static RAM chips, offering 128KB of reliable, low-power memory expansion. While many Apple II programs only utilize 16K, this card provides flexible memory options from 16K to 128K, enabling PRODOS and memory-intensive software that require 64K or more. Built with genuine Samsung CMOS SRAM technology, it delivers superior reliability and energy efficiency compared to vintage DRAM alternatives. Perfect for enthusiasts seeking authentic vintage performance with modern reliability - start with basic 16K expansion and unlock full 64K+ capability when ready for advanced applications and games.

Why did you make it?

Vintage Apple II memory expansion cards are becoming increasingly rare and expensive, with many using unreliable decades-old DRAM technology. We created this card to provide enthusiasts with an authentic Saturn-compatible solution that maintains the vintage computing experience while offering modern reliability. The SEC KM681000CLP-7 chips represent the pinnacle of 1990s SRAM technology, offering low-power operation and proven longevity . Many users want to start with basic 16K expansion for everyday software, but need the flexibility to upgrade to 64K for PRODOS and advanced applications. This card bridges that gap, providing authentic vintage performance with the reliability that modern enthusiasts demand.

What makes it special?

This card stands out by using genuine SEC KOREA KM681000CLP-7 static RAM chips, ensuring authentic vintage performance characteristics . Unlike modern SRAM replacements, these original Samsung chips provide the exact timing and electrical characteristics that vintage Apple II software expects. The 70ns access time and low-power CMOS design (60mA typical) deliver optimal performance while generating minimal heat . The DIP-32 packaging ensures proper mechanical compatibility with vintage slot configurations, while the proven Samsung semiconductor reliability means this card will serve your Apple II system for decades to come. Each chip is thoroughly tested and verified, providing peace of mind that your vintage investment is protected by authentic, high-quality components.