iMac (Early 2008): Memory specifications

Learn what kinds of memory you can use with following iMac (Early 2008) computer.

The iMac (Early 2008) computer has two SDRAM slots in the bottom of the computer and comes with at least 1 GB DDR2 SDRAM installed into one slot.

The maximum amount of RAM you can install in the computer is 4 GB (a 2 GB SO-DIMM in each slot).

You can use any Small-Outline dual inline memory modules (SO-DIMMS) that meets all of these criteria:

  • PC2-6400
  • Unbuffered
  • Nonparity
  • 200-pin
  • 800 MHz

You can use RAM module sizes of 1 GB or 2 GB in each slot.

DIMMs with any of the following features are not supported in the iMac (Early 2008) computer:

  • Registers or buffers
  • PLLs
  • ECC
  • Parity

Always follow the upgrade instructions for memory installation as written. Never attempt to remove screws that are not listed in the upgrade instructions.

Learn more

For more information about upgrading your iMac (Early 2008) memory, see this article.

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