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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
What ram must i use for iMac mid 2010 21,5 ?
iMac 21.5", macOS 10.13
Maximum Memory= 16 GB
Memory Slots 4 - 204-pin PC3-10600 (1333 MHz) DDR3 SO-DIMM
Maximum Memory= 16 GB
Memory Slots 4 - 204-pin PC3-10600 (1333 MHz) DDR3 SO-DIMM
Your best bet is to purchase from suppliers like OWC and Crucial that specialize in iMac RAM.
see > https://eshop.macsales.com/shop/memory/iMac/2010/DDR3_21.5_27
and > https://www.crucial.com/usa/en/compatible-upgrade-for/Apple/imac-%2821*5-inch%2C-mid-2010
RAM FOR IMAC 21,5 MID 2010
