Apple iMac (20-inch and 24-inch, Mid 2007)
Model identifier iMac7,1 All-in-one, from 2007 124 hardware reports
Upgradable
Yes. 2 slots, up to 6 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
- 6 GB in two or more machines
- Firmware says
- 4 GB maximum (often wrong, so we show what machines run)
- How sure
- 44 of 44 reports show this layout
See 8 GB DDR2-667 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 44 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, Mid 2007)?
Yes. 2 slots, up to 6 GB seen working. It takes DDR2-667 laptop-size sticks (SO-DIMM).
What type of RAM does the Apple iMac (20-inch and 24-inch, Mid 2007) use?
DDR2-667 laptop-size sticks (SO-DIMM, 200-pin).
How much RAM can the Apple iMac (20-inch and 24-inch, Mid 2007) 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 iMac7,1.
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