• OWC Live Chat Support
  • OWC Newsletter
  • OWC Blog

Apple iMac - Mid 2011*
2.5GHz, 2.7GHz, 2.8GHz, 3.1GHz or 3.4GHz
Model ID: iMac12,1 & iMac12,2 View how to find model ID

Processor / Memory

21.5-inch models, one of the following:
  • 2.5GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
  • 2.7GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
  • 2.8GHz quad-core Intel Core i7 with 6MB on-chip shared L3 cache
 
27-inch models, one of the following:
  • 2.7GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
  • 3.1GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
  • 3.4GHz quad-core Intel Core i7 with 6MB on-chip shared L3 cache
 
  • 4GB (two 2GB SO-DIMMs) of 1333MHz DDR3 SDRAM; four SO-DIMM slots support up to 16GB
OWC Memory Upgrades: Add up to 32GB of memory. OWC certified.

Internal Drives

21.5-inch models Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
  • 500GB or 1TB 7200-rpm Serial ATA hard drive
  • Optional 2TB 7200-rpm Serial ATA hard drive
  • Writes DVD+R DL and DVD-R DL discs at up to 4x speed
  • Writes DVD-R and DVD+R discs at up to 8x speed
  • Writes DVD-RW discs at up to 6x speed and DVD+RW discs at up to 8x speed
  • Reads DVDs at up to 8x speed
  • Writes CD-R discs at up to 24x speed
  • Writes CD-RW discs at up to 16x speed
  • Reads CDs at up to 24x speed
 
27-inch models Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
  • 1TB 7200-rpm Serial ATA hard drive
  • Optional 2TB 7200-rpm Serial ATA hard drive
  • Optional 256GB solid-state drive
  • Writes DVD+R DL and DVD-R DL discs at up to 4x speed
  • Writes DVD-R and DVD+R discs at up to 8x speed
  • Writes DVD-RW discs at up to 6x speed and DVD+RW discs at up to 8x speed
  • Reads DVDs at up to 8x speed
  • Writes CD-R discs at up to 24x speed
  • Writes CD-RW discs at up to 16x speed
  • Reads CDs at up to 24x speed
OWC Memory Upgrades: Add up to 8GB of memory. OWC certified.
Hard drive upgrade: Add up to 4.0TB of storage

Ports

  • One Thunderbolt port on 21.5-inch iMac
  • Two Thunderbolt ports on 27-inch iMac
  • Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
  • One FireWire 800 port; 7 watts
  • Four USB 2.0 ports
  • SDXC card slot

Power

  • Line voltage: 100-240V AC
  • Frequency: 50Hz to 60Hz, single phase
  • Maximum continuous power: 205W (21.5-inch models); 310W (27-inch models)
  • Operating temperature: 50° to 95° F (10° to 35° C)
  • Storage temperature: -4° to 116° F (-20° to 47° C)

Network

  • 802.11n Wi-Fi wireless networking;² IEEE 802.11a/b/g compatible
  • Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology
  • 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)

Sound

  • Built-in stereo speakers
  • Two internal 17-watt high-efficiency amplifiers
  • Headphone/optical digital audio output (minijack)
  • Audio line in/optical digital audio input (minijack)
  • Built-in microphone
  • Support for Apple iPhone headset with microphone

Display / Monitor Capability

21.5-inch models
  • 21.5-inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors
  • Resolution: 1920 by 1080 pixels
27-inch models
  • 27-inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors
  • Resolution: 2560 by 1440 pixels
All models
  • Millions of colors at all resolutions
  • Typical viewing angle: 178° horizontal; 178° vertical
  • 16:9 aspect ratio

Graphics / Video

21.5-inch models
  • AMD Radeon HD 6750M graphics processor with 512MB of GDDR5 memory
  • AMD Radeon HD 6770M graphics processor with 512MB of GDDR5 memory
27-inch models
  • AMD Radeon HD 6770M graphics processor with 512MB of GDDR5 memory
  • AMD Radeon HD 6970M graphics processor with 1GB of GDDR5 memory
  • Configurable to AMD Radeon HD 6970M with 2GB GDDR5, only at the Apple Online Store.
All Models
  • FaceTime HD camera
  • Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display
  • Support for extended desktop and video mirroring modes

Dimensions / Weight

21.5-inch models
Height: 17.75" (45.1cm)
Width: 20.8" (52.8cm)
Depth: 7.42" (18.85cm)
Weight: 20.5 lb (9.3 kg)



27-inch models
Height: 20.4" (51.7cm)
Width: 25.6" (65.0cm)
Depth: 8.15" (20.7cm)
Weight: 30.5 lb (13.8kg)
cap
Load Time: 0.016 seconds, Guest ID: 143013744