Apple 27" iMac (Mid 2010); iMac11,3 Installation Guides and Specifications

Upgrading the Apple Apple 27” iMac (Mid 2010) RAM is very easy. Other upgrades or repair like the Hard Drive or the Optical Drive are a bit more advanced but still manageable. All You'll need is some simple tools, and the correct parts. We then urge you to follow the videos or the Apple manual provided on the links below.

Please see our Apple RAM Memory for iMac 27" (Mid 2010) page to locate your  Apple compatible RAM upgrade for your iMac

Please see our Hard Drive  for iMac 27" (Mid 2010) page to locate your  Apple compatible Hard Drive upgrades for your Mac

Apple User Guides for the Apple iMac 27" (Mid 2010)

iMac: How to remove or install memory. Learn how to remove or install memory in your iMac computer on the Apple support page.

OWC Video Installation Guide for Apple 27” iMac (Mid 2010):

Memory Install Video

OWC's step-by-step video of how to install memory in an Apple iMac 27" (Mid 2010).
 Skill Level: "Easy" |  Duration: 3:51 | 

Recommended Tools for the RAM upgrade:

#2 Philips Screwdriver

Add a second hard drive or SSD easily with the OWC Data Doubler. Here's an instructional video from OWC:

OWC Data Doubler Install Video

Skill Level: "Easy" | Duration: 1:56 |

Recommended Tools for the Drive install into a Data Doubler:

#2 Philips Screwdriver

Use the Optical Drive install videos below for iMac 27" (Mid 2010) to install a DataDoubler mounted drive:

Optical Drive Install Video

OWC's step-by-step video of how to install an optical drive in an Apple iMac 27" (Mid 2010).
OWC Skill Level: "Involved" |  Duration: 9:55 | 

Recommended Tools for the Data Doubler/Optibay upgrade:

Heavy-duty Suction Cups
Newer Technology 14 Piece Tool Set

Here is how to fix or upgrade the main Hard Drive:

Hard Drive Installation Video

OWC's step-by-step video of how to install a hard drive in an Apple iMac 27" (Mid 2010).
OWC Skill Level: "Involved" |  Duration: 8:48 | 

Before you replace your original Hard Drive you need to be aware of the heat sensor issue, if you're not have a look at this website.

As explained you have 2 options to fix this:

- Software fix with HDD Fan Control
- Hardware fix with a OWC Heat Sensor DIY kit

Recommended Tools for the HDD/SSD upgrade:

Heavy-duty Suction Cups
Newer Technology 14 Piece Tool Set
- 2.5" to 3.5" adapter - for SSD installation only

External Hard Drive Enclosure - Convert your existing drive into an external one
First make sure you understand the heat sensor issue mentioned above.

Here is some detailed specifications as well as direct link to available upgrades:

Apple 27" iMac (Mid 2010)
Introduced July 2010
Discontinued May 2011
Model Identifier iMac11,3
Model Number A1312
EMC 2390
Order Number MC510LL/A (3.2 GHz), MC511LL/A (2.8 GHz), MC784LL/A (2.93 GHz)
Processor Intel Core i3 (550), Core i5 (680, 760), or Core i7 (870) ("Clarkdale, Lynnfield")
Processor Speed 3.2 GHz (Core i3) 3.6 or 2.8 GHz (Core i5) 2.93 GHz (Core i7)
Architecture 64-bit
Number of Cores 2 or 4
Cache 4 MB (3.2 and 3.6 GHz) 8 MB (2.8 and 2.93 GHz) L3
System Bus Intel Direct Media Interface (DMI) at 2.5 GT/s
Standard Storage 1 or 2 TB (7200-rpm SATA), and/or 256 GB (SSD)
Link to upgrade tool & kits Heat sensor kit
Link to internal HDD Upgrade to a new 3.5” HDD
Link to internal SSD Upgrade to a new 2.5” SSD
Media Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
Link to external optical drive Get an external burner here
Peripherals Apple Wireless Keyboard, Magic Mouse
Built-in Memory
Maximum Memory 32 GB (Core i5 or Core i7 Actual) 16 GB (Apple)
Memory Slots 4 - 204-pin PC3-10600 (1333 MHz) DDR3 SO-DIMM
Interleaving Support Yes
Link to RAM upgrade Upgrade your RAM here
Built-in Display 27-inch (viewable) LED-backlit glossy widescreen TFT LCD with IPS
Resolutions 2560 by 1440 pixels
Graphics Card ATI Radeon HD 5670 or Radeon HD 5750
Graphics Memory 512 MB GDDR3 (Radeon HD 5670) 1 GB GDDR5 (Radeon HD 5750)
Display Connection 1 - Mini DisplayPort
Display Modes Dual display extended, video mirroring, Target Display
External Resolution Up to 2560 by 1600 pixels
Camera Built-in iSight
Wi-Fi Built-in AirPort Extreme card (802.11a/b/g/n)
Bluetooth Built-in Bluetooth 2.1 + EDR
Ethernet 10/100/1000BASE-T (RJ-45)
USB 4 - 480 MBit/s
FireWire 1 - 800 MBit/s
Display 1 - Mini DisplayPort
Infrared 1 - For Apple Remote only
Audio In 1 - 3.5-mm analog/optical combo input jack, Built-in microphone
Audio Out 1 - 3.5-mm analog/optical combo output jack, Built-in speakers
Slots 1 - Secure Digital (SDXC)
Hard Drive Interface 2 - 3.0 Gbps Serial ATA (SATA)
Optical Drive Interface

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