iMac 27-inch Mid 2011 Explained

Source: – iMac 27-inch

The Apple iMac 27-inch Mid 2011 is a personal computer designed, manufactured, and sold by Apple from 2011 to 2012 as part of the iMac series. The computer was introduced on May 3, 2011, and its price started at $1,699.

The new iMac features a 2.7 GHz or 3.1 GHz Intel Core i5 or 3.4 GHz Intel Core i7 processor, 4 GB of RAM, 27-inch glossy LED-backlit IPS LCD Display, 1 TB hard drive, slot-loading 8x DVD-R/CD-RW dual-layer “SuperDrive”, Ambient Light Sensor, FaceTime HD video camera, USB 2.0 ports, an SDHC card slot, and 512 MB AMD Radeon HD 6770M graphics in the base model.

This iMac has been discontinued on October 23, 2012. Today iMac 27-inch Mid 2011 is 12 years old!

iMac 27-inch Mid 2011 Details

Introduced May 3, 2011 – 12 years ago
Discontinued October 23, 2012 – 11 years ago
Last Software Update November 12, 2020 – 3 years ago
Time on the Market 17 months (1 year)
Time of Support 114 months (9 years)
Model Identifier iMac12,2
Model Number A1312
EMC 2429
Order Number MC813LL/A
Original Price $1,699
Colors Aluminum
Weight 30.5 Ibs.
9.298 KG
Dimensions 20.4” H x 25.6” W x 8.15” D
51.81 cm H x 65.02 cm W x 20.7 cm D

iMac 27-inch Tech Specs


Processor Intel Core i5 2500S “Sandy Bridge” (2.7 GHz)
Intel Core i5 2400 “Sandy Bridge” (3.1 GHz)
Intel Core i7 2600 “Sandy Bridge” (3.4 GHz)
Processor Speed 2.7 GHz
3.1 GHz
3.4 GHz
Architecture 64-bit
Number of Cores 4
System Bus Intel Direct Media Interface (DMI) 2.5 GT/s
Cache 6 MB on-chip shared L3 (2.7 GHz and 3.1 GHz)
8 MB on-chip shared L3 (3.4 GHz)

Storage & Media

Storage 1 TB HDD
256 GB SSD
Media 1 – 8x DVD-R/CD-RW dual-layer “SuperDrive” slot-loading drive


Built-in Memory 4 GB
Maximum Memory 16 GB (Apple)
32 GB (Actual)
Memory Slots 4 – PC3-10600 204-pin DDR3 SO-DIMM 1333 MHz
Interleaving Support Yes


Built-in Display 27″ IPS LED-backlit TFT LCD glossy widescreen Display
Brightness 375 cd/m²
Resolutions 2560 x 1440


Graphics Card AMD Radeon HD 6770M
AMD Radeon HD 6970M
Graphics Memory 512 MB GDDR5 SDRAM (AMD Radeon HD 6770M)
1 GB or 2 GB GDDR5 SDRAM (AMD Radeon HD 6970M)
Display Connection 1 – Thunderbolt (Support for up to two Thunderbolt displays)
Display Modes Dual display extended, video mirroring, AirPlay, and Target Display
External Resolution Up to 2560 x 1600 pixels
Camera FaceTime HD


Expansion Slots 1 – Secure Digital (SDXC)
Optical Drive Interface 3 Gbps Serial ATA (SATA)
Hard Drive Interface 2 – 6 Gbps Serial ATA (SATA)


Ethernet 10/100/1000BASE-T (RJ-45)
Modem None
Wi-Fi AirPort Extreme Card 802.11a/b/g/n
Bluetooth Bluetooth 2.1 + EDR
USB 4 – 480 Mbps (USB 2.0)
FireWire 1 – 800 Mbps
Thunderbolt 1 – Thunderbolt 1 (Up to 10 Gbps)
Infrared 1 – For Apple Remote only
Audio In 1 – 3.5-mm analog/optical combo jack
1 – Built-in microphone
Audio Out 1 – 3.5-mm analog/optical combo jack
2 – Internal 17 W amplifiers
2 – Built-in speakers
Display 1 – Thunderbolt (Support for up to two Thunderbolt displays)

Keyboard and Mouse

Peripherals Apple Wireless Aluminum Keyboard
Magic Mouse or Magic Trackpad


Original OS Mac OS X 10.6.6
Later OS Mac OS X 10.6.7
Maximum OS macOS 10.13.6
Firmware Intel Extensible Firmware Interface
AirDrop Supported
Bundled Software Mac OS X 10.6
iLife ’11 (includes iPhoto, iMovie, iDVD, iWeb, GarageBand)


Backup Battery 3 V CR2032 Lithium
Maximum Continuous Power 310 W
Line Voltage 100-240 V AC

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Disclaimer: The data presented in this article is under continuous development and has been manually collected from various sources based on their availability. The author of this article may revise this dataset as additional research is conducted and reviewed. Please note that the information is provided “as is” and “as available” without express or implied warranties. The author cannot be held responsible for any omissions, inaccuracies, or errors in the published information. Any warranties relating to this information are hereby disclaimed.

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