21-05-2021
Memory Slots Imac 27 Inch
May 09, 2015 It is not necessary to match pairs with memory, but it will run better if you do. On the store website they were only configurable from 8 GB to 16 GB or 32 GB. IMac (27-inch, Late 2013).
- Mar 26, 2019 The DIMM slot shown below is for iMac (27-inch, Late 2013) and iMac (Retina 5K, 27-inch, Late 2014, Mid 2015, and Late 2015). It requires that you insert the DIMM with the notch on the bottom, oriented towards the right: iMac (27-inch, Late 2012) and iMac (Retina 5K, 27-inch, 2017) have the notch on the bottom left.
- Buy OWC 32GB (2 x 16GB) 2400MHZ DDR4 SO-DIMM PC4-19200 Memory Upgrade for 2017 iMac 27 inch with Retina 5K Display, (OWC2400DDR4S32P): Memory - Amazon.com FREE DELIVERY possible on eligible purchases.
27 Imac Memory Upgrade
Learn how to identify your iMac, then find it below.
| iMac Model | Max. DRAM | User- Installable Slot | AASP- Installable Slot | Video/ VRAM | Notes |
|---|---|---|---|---|---|
| iMac (Retina 5K, 27-inch, 2019) | 64GB | 2666MHz DDR4 | 4GB or 8GB GDDR5 SDRAM | 5 | |
| iMac (Retina 4K, 21.5-inch, 2019) | 32GB | None | 2666MHz DDR4 (for i5 processor) 2400MHz DDR4 (for i3 processor) | 2GB, 4GB, or 8GB GDDR5 SDRAM | 3 |
| iMac (Retina 5K, 27-inch, 2017) | 64GB | 2400MHz DDR4 | 4GB or 8GB GDDR5 SDRAM | 5 | |
| iMac (Retina 4K, 21.5-inch, 2017) | 32GB | None | 2400MHz DDR4 | 2GB or 4GB GDDR5 SDRAM | 3 |
| iMac (21.5-inch, 2017) | 16GB | None | 2133MHz DDR4 | Intel Iris Plus Graphics 640 | 3 |
iMac (Retina 5K, 27-inch, Late 2015) | 32GB | 1867MHz DDR3 | 2GB or 4GB GDDR5 SDRAM | 4 | |
| iMac (Retina 4K, 21.5-inch, Late 2015) | 16GB | None | Intel Iris Pro Graphics 6200 | 6 | |
| iMac (21.5-inch, Late 2015) | 16GB | None | Intel Iris Pro Graphics 6000 | 6 | |
| iMac (Retina 5k, 27-inch, Mid 2015) | 32GB | 1600MHz DDR3 | 2GB GDDR5 SDRAM | 4 | |
iMac (Retina 5K, 27-inch, Late 2014) | 32GB | 1600MHz DDR3 | 2GB or 4GB GDDR5 SDRAM | 4 | |
| iMac (21.5-inch, Mid 2014) | 16GB | None | Intel HD Graphics 5000 | ||
| iMac (27-inch, Late 2013) | 32GB | PC3-12800 (1600) DDR3 204-pin SO-DIMM | 1GB GDDR5 SDRAM, | ||
| iMac (21.5-inch, Late 2013) | 16GB | None | PC3-12800 (1600) DDR3 204-pin SO-DIMM | Intel HD Graphics 4000 | |
| iMac (27-inch, Late 2012) | 32GB | PC3-12800 (1600) DDR3 204-pin SO-DIMM | 512MB GDDR5 SDRAM, | ||
| iMac (21.5-inch, Late 2012) | 16GB | None | PC3-12800 (1600) DDR3 204-pin SO-DIMM | 512MB GDDR5 SDRAM | |
| iMac (27-inch, Mid 2011) | 16GB | PC3-10600 (1333) DDR3 204-pin SO-DIMM | 512MB GDDR5 SDRAM and | ||
| iMac (21.5-inch, Mid 2011) | 16GB | PC3-10600 (1333) DDR3 204-pin SO-DIMM | 512MB GDDR5 SDRAM | ||
| iMac (27-inch, Mid 2010) | 16GB | PC3-10600 (1333) DDR3 204-pin SO-DIMM | 512MB GDDR3 SDRAM and | ||
| iMac (21.5-inch, Mid 2010) | 16GB | PC3-10600 (1333) DDR3 204-pin SO-DIMM | 256 MB up to 512MB GDDR3 SDRAM | ||
| iMac (Late 2009) | 16GB | PC3-8500 (1066) DDR3 204-pin SO-DIMM | 256 up to 512MB GDDR3 SDRAM | ||
| iMac (Mid 2009) | 4GB | PC3-8500 (1066) DDR3 204-pin SO-DIMM | 256 up to 512MB GDDR3 SDRAM | ||
| iMac (Early 2009) | 8GB | PC3-8500 (1066) DDR3 204-pin SO-DIMM | 256 up to 512MB GDDR3 SDRAM | ||
| iMac (Early 2008) | 4GB | PC2-6400 (800) DDR2 200-pin SO-DIMM | 128 or 256MB GDDR3 SDRAM | ||
| iMac (Mid 2007) | 4GB | PC2-5300 (667) DDR2 200-pin SO-DIMM | 128 or 256MB GDDR3 SDRAM | ||
| iMac (Late 2006) | 4GB | PC2-5300 (667) DDR2 200-pin SO-DIMM | 128MB GDDR3 SDRAM | 1 | |
| iMac (Mid 2006) and iMac (17-inch Late 2006 CD) | 2GB | PC2-5300 (667) DDR2 200-pin SO-DIMM | 64MB GDDR3 SDRAM | ||
| iMac (Early 2006) | 2GB | PC2-5300 (667) DDR2 200-pin SO-DIMM | 128MB GDDR3 SDRAM | ||
- Although iMac (Late 2006) accepts up to a 2GB SO-DIMM in each of its two memory slots, the computer only supports 3GB total memory.
- iMac (Late 2009), iMac (Mid 2010), and iMac (Mid 2011) have four SDRAM slots, each of which can accept a 2GB or 4GB SO-DIMM.
- These iMac models have no user-installable SDRAM slots. An Apple Authorized Service Provider (AASP) can install SDRAM in these computers.
- 27-inch iMac models introduced in 2012 through 2015 have four SDRAM slots, each of which can accept a 4GB or 8GB SO-DIMM.
- 27-inch iMac models introduced in 2017 and 2019 have four SDRAM slots, each of which can accept a 4GB, 8GB, or 16GB SO-DIMM.
- Learn more about integrated video on Intel-based Macs.
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Imac 27 Inch Ram
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Imac 27 Inch
Imac 27 Inch Specs
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