Mid 2011 iMac (Unibody)

General:

• Model: iMac (Mid 2011) Unibody
• Release Date: May 2011
• Discontinued: October 2012
• Dimensions:
  • 21.5-inch: Height: 17.75 inches (45.1 cm), Width: 20.8 inches (52.8 cm), Depth: 7.42 inches (18.85 cm)
  • 27-inch: Height: 20.4 inches (51.7 cm), Width: 25.6 inches (65.0 cm), Depth: 8.15 inches (20.7 cm)
• Weight:
  • 21.5-inch: 20.5 pounds (9.3 kg)
  • 27-inch: 30.5 pounds (13.8 kg)

Display:

• Size:
  • 21.5-inch: 21.5-inch widescreen LED-backlit display
  • 27-inch: 27-inch widescreen LED-backlit display
• Resolution:
  • 21.5-inch: 1920 x 1080 pixels
  • 27-inch: 2560 x 1440 pixels

Processor:

• CPU:
  • 21.5-inch:
    • 2.5 GHz Quad-Core Intel Core i5 (i5-2400S)
    • 2.7 GHz Quad-Core Intel Core i5 (i5-2500S)
  • 27-inch:
    • 2.7 GHz Quad-Core Intel Core i5 (i5-2500S)
    • 3.1 GHz Quad-Core Intel Core i5 (i5-2400)
    • 3.4 GHz Quad-Core Intel Core i7 (i7-2600) (Build to order)
• Turbo Boost: Up to 3.8 GHz
• L3 Cache: 6 MB (Core i5), 8 MB (Core i7)

Memory:

• RAM: 4 GB (two 2 GB SO-DIMMs) of 1333 MHz DDR3 SDRAM
• Expandable: Up to 16 GB (four 4 GB SO-DIMMs)

Storage:

• Hard Drive:
  • 21.5-inch: 500 GB or 1 TB Serial ATA (7200 rpm)
  • 27-inch: 1 TB or 2 TB Serial ATA (7200 rpm)
• Optical Drive: Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
• SSD (optional): 256 GB solid-state drive (27-inch model only, build to order)
• Fusion Drive (optional): Combines a traditional hard drive with a solid-state drive for faster performance (build to order)

Graphics:

• 21.5-inch:
  • AMD Radeon HD 6750M with 512 MB of GDDR5 memory (base model)
  • AMD Radeon HD 6770M with 512 MB of GDDR5 memory (higher-end model)
• 27-inch:
  • AMD Radeon HD 6770M with 512 MB of GDDR5 memory (base model)
  • AMD Radeon HD 6970M with 1 GB or 2 GB of GDDR5 memory (higher-end model and optional upgrade)

Connectivity:

• Wi-Fi: AirPort Extreme 802.11a/b/g/n
• Bluetooth: 2.1 + EDR
• Ethernet: 10/100/1000BASE-T Ethernet (RJ-45)
• USB: Four USB 2.0 ports
• FireWire: One FireWire 800 port
• Thunderbolt: One port on 21.5-inch model, two ports on 27-inch model (support for Mini DisplayPort output)

Audio:

• Audio Output: Built-in stereo speakers, optical digital audio output/headphone out, analog line-level output/headphone out
• Audio Input: Built-in microphone, optical digital audio input/audio line in (minijack)

Operating System:

• Original OS: Mac OS X 10.6 Snow Leopard
• Supported OS: Upgradable to macOS 10.13 High Sierra (unofficially upgradable to later versions via patchers)

Additional Features:

• iSight Camera: Built-in FaceTime HD camera
• Remote Control: Apple Remote (optional)
• Keyboard and Mouse: Comes with Apple Keyboard and Magic Mouse or Magic Trackpad

Design:

• Material: Aluminum and glass unibody enclosure