Apple iMac (20-inch and 24-inch, Early 2008)
Model identifier iMac8,1 All-in-one, from 2008 120 hardware reports
Upgradable
Yes. 2 slots, up to 6 GB seen working.
It takes DDR2-800 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR2-800 200-pin SO-DIMM
- Most seen working
- 6 GB in two or more machines
- Firmware says
- 4 GB maximum (often wrong, so we show what machines run)
- How sure
- 43 of 43 reports show this layout
See 8 GB DDR2-800 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 43 hardware reports of this desktop, with Apple's memory specifications for which Macs have sockets. Sources and method. Updated 10 Nov 2026.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the Apple iMac (20-inch and 24-inch, Early 2008)?
Yes. 2 slots, up to 6 GB seen working. It takes DDR2-800 laptop-size sticks (SO-DIMM).
What type of RAM does the Apple iMac (20-inch and 24-inch, Early 2008) use?
DDR2-800 laptop-size sticks (SO-DIMM, 200-pin).
How much RAM can the Apple iMac (20-inch and 24-inch, Early 2008) take?
Machines in the reports run up to 6 GB. The firmware reports a maximum of 4 GB, a figure that is often wrong.
Is this my desktop?
On the Mac, choose Apple menu > About This Mac > System Report. The Model Identifier should read iMac8,1.
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