Apple iMac (17-inch and 20-inch, Late 2006)
Model identifier iMac5,1 All-in-one, from 2006 28 hardware reports
Upgradable
Yes. 2 slots, up to 4 GB seen working.
It takes DDR2-667 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR2-667 200-pin SO-DIMM
- Most seen working
- 4 GB in two or more machines
- Firmware says
- 4 GB maximum
- How sure
- 14 of 14 reports show this layout
See 8 GB DDR2-667 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 14 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 (17-inch and 20-inch, Late 2006)?
Yes. 2 slots, up to 4 GB seen working. It takes DDR2-667 laptop-size sticks (SO-DIMM).
What type of RAM does the Apple iMac (17-inch and 20-inch, Late 2006) use?
DDR2-667 laptop-size sticks (SO-DIMM, 200-pin).
How much RAM can the Apple iMac (17-inch and 20-inch, Late 2006) take?
Machines in the reports run up to 4 GB. That matches the 4 GB maximum the firmware reports.
Is this my desktop?
On the Mac, choose Apple menu > About This Mac > System Report. The Model Identifier should read iMac5,1.
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