yes the 27 inch imac will take this type of ram.it can take a total of 32 gigs in 4 slots(8 gigs each slot)if you choose to max it out but 16 gigs is plenty.the 21.5 inch imac is non user replaceable.

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Crucial RAM 16GB Kit (2x8GB) DDR3 1600 MHz CL11 Memory for Mac CT2K8G3S160BM

Crucial RAM 16GB Kit (2x8GB) DDR3 1600 MHz CL11 Memory for Mac CT2K8G3S160BM

Q: is this compatible with the latest "iMac with Retina 5K display"

I bought 16GB of RAM for my 27-inch iMac with Retina 5K that I purchased in Dec of 2014. It's working great! As others have said, install in slot 2 and 4. Basically, I didn't take out the original RAM from Apple and just inserted the ones I purchased. That's it. It was good to go. I upgraded from 8GB to 24GB.

Q: Is this compatible with the Macbook Pro 2.6GHz i7 (Mid 2012)?

I think you have the 15-in model. I have the 13-in. Both mid 2012 are using ivy bridge circuitry means that memory kit can run just fine with your macbook. I still am running this kit for 15 months now with no issues.

Q: Will this work in my mid 2010 13" Macbook Pro?

Contrary to the "yes" answer, it does not work with the mid 2010 MBP. Look for 1066 MHz for compatibility. I know because I tried this item with my MBP, and had to send them back.

Product ID: 263784071

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Details

Brand
Micron
Computer memory size
16 GB
Ram memory technology
DDR3L
Memory speed
1600 MHz
Compatible devices
Laptop

⚡1600 MHz blazing speed

💾16GB dual-channel capacity

🔧Plug & play easy install

Frequently Bought Together

Crucial CT2K8G3S160BM 16GB Kit (8GBx2) DDR3/DDR3L 1600 MT/s (PC3-12800) SODIMM 204-Pin Memory For Mac

SAMSUNG 870 EVO SATA SSD 500GB 2.5” Internal Solid State Drive, Upgrade PC or Laptop Memory and Storage for IT Pros, Creators, Everyday Users, MZ-77E500B/AM, Black

StarTech.com SATA to USB Cable - USB 3.0 to 2.5” SATA III Hard Drive Adapter - External Converter for SSD/HDD Data Transfer (USB3S2SAT3CB)

Description

⚡ Upgrade your Mac’s memory game—speed, power, and ease in one kit!

OPTIMIZED FOR MAC - Guaranteed compatibility with Crucial System Scanner & Advisor Tool
EFFORTLESS UPGRADE - No tech skills needed—install in minutes with guided support
TURBOCHARGE YOUR MAC - Boost app speed and multitasking with 16GB DDR3 RAM
ENERGY EFFICIENT POWER - Runs at 1.35V/1.5V for cooler, quieter operation
MICRON BACKED RELIABILITY - 42 years of memory expertise ensures rock-solid performance

The Crucial 16GB DDR3 1600 MHz SO-DIMM RAM kit (2x8GB) is designed for Mac users seeking a reliable, high-performance memory upgrade. Featuring Micron’s trusted quality, easy installation, and optimized compatibility, it delivers faster app responsiveness and seamless multitasking while maintaining energy efficiency.

Specifications

Brand	Micron
Product Dimensions	17.78 x 11.4 x 12.7 cm; 9.07 g
Item model number	CT2K8G3S160BM
Manufacturer	CRUCIAL TECHNOLOGY
Series	DDR3/DDR3L 1600 MT/s SODIMM Memory For Mac
Color	Multicolor
Form Factor	SO-DIMM
Processor Count	1
RAM Size	16 GB
Memory Technology	DDR3L
Computer Memory Type	DDR3 SDRAM
Memory Clock Speed	1600 MHz
Voltage	1.4 Volts
Are Batteries Included	No
Item Weight	9.07 g

Have a Question? See What Others Asked

late 2013

is this compatible with the latest "iMac with Retina 5K display"

Is this compatible with the Macbook Pro 2.6GHz i7 (Mid 2012)?

Will this work in my mid 2010 13" Macbook Pro?

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