8-bit, 30 Pin SIMMs

While some of the products mentioned on this page may no longer be available, the information about these products remains available to those who may need it.

Model number links below will soon point to logic board diagrams under development elsewhere on this website. The diagrams may be useful to experienced Macintosh users in identifying significant motherboard landmarks and memory expansion slots. If you do not see a schematic for your Macintosh and need assistance, feel free to email a MacGurus support engineer. If you are in doubt about your ability to handle sensitive electronic components, please contact your local authorized Apple dealer. Don't void your warranty!


The SIMMs on this page are specifically designed to support:

  • Mac Plus, SE, Classic (1MB)

  • LW IIntx, IIntx-J (1mb)

  • Laser writer IIf, IIg, select 300 (1mb, 4mb)

  • Classic II, Color Classic, LC, LCII (1mb, 2mb, 4mb)

  • Performa 200, 400, 405, 410, 430 (1mb, 2mb, 4mb)

  • Performa 600, 600CD (1mb, 2mb, 4mb, 16mb)

  • Mac IIcx, IIsi, IIci, IIvi, IIvx (1mb, 2mb, 4mb, 8mb, 16mb)

  • Quadra 700, 900, 950 (1mb, 4mb, 8mb, 16mb)

  • Apple Workgroup server 95, SE/30 (1mb, 4mb, 16mb)

Note: SIMMs for the Mac II, Mac IIx, and Mac IIfx are distinct from standard 30-pin SIMMs. Details on memory for these computers may be found on the pertinent logic board pages.