1GB(with 1066) and 2GB(with 1280) MHz for late 2009
Can I put 1GB module into iMac 21,5 (late 2009)? And may be I can use module with 1280MHz?
iMac, macOS 10.13
Question marked as
Top-ranking reply
You can make a difference in the Apple Support Community!
When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
Question marked as
Top-ranking reply
3 replies
Mac's are picky and the correct RAM for your Late 2009 iMac is fairly inexpensive.
For example, you can get 2 2GB modules for under $20 or add a 4GB module for $25
see > https://eshop.macsales.com/shop/memory/iMac/DDR3_21.5_27
If it worked at all it would slow all RAM to 1066 MHz.
1GB(with 1066) and 2GB(with 1280) MHz for late 2009