1990 Apple Computer Memory Upgrades {#1990-apple-computer-memory-upgrades}

Model Processor Speed Year Max RAM Check Prices
Macintosh IIsi 68030 20Mhz 1990 65MB 30 Pin SIMMS
Macintosh IIfx 68040 40Mhz 1990 128mb 30 Pin SIMMS
Macintosh LC 68020 16Mhz 1990 10mb 30 Pin SIMMS