A1418 iMac 21,5" 2012-2017

Same series:
iMac 21,5" 2009-2011 (A1311)iMac 21,5" 2012-2017 (A1418)
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The Apple iMac A1418 refers specifically to the 21.5-inch iMac models produced between late 2012 and mid-2017. These models provide various configurations and have specific identifiers which are critical for repair and parts replacement. The official model identifiers vary by release year and are useful for accurately identifying the device:

Official Model Identifiers:

  • Late 2012: iMac13,1
  • Late 2013: iMac14,1 and iMac14,3
  • Mid 2014: iMac14,4
  • Late 2015: iMac16,1 and iMac16,2
  • Mid 2017: iMac18,1

Identification Methods:

  1. Model Number: Located on the base of the stand, just below the hinge area, marked as A1418.
  2. System Profiler: Accessible via ‘About This Mac’ in the Apple menu; lists the model identifier.
  3. Serial Number: Can be input into the Apple website for detailed information about the specific configuration.

Technical Specifications:

Display:

  • Size: 21.5 inches
  • Type: IPS technology
  • Resolution:
    • Early models: 1920 x 1080 pixels
    • Late 2015 and after (Retina models): 4096 x 2304 pixels

Processors:

  • Late 2012 - 2013:
    • Intel Core i5 or i7, dual-core or quad-core
  • Mid 2014 - Late 2015:
    • Intel Core i5 or i7, quad-core
  • Mid 2017:
    • Intel Core i5 or i7, dual-core or quad-core, Kaby Lake series

Memory Configurations:

  • Standard: Generally starts at 8 GB 1600MHz DDR3 (upgradable in some models)
  • Maximum: Varies by model, up to 32 GB in models from 2017

Storage Configurations:

  • Options: 500 GB to 1 TB HDD, 1 TB Fusion Drive, or up to 1 TB SSD
  • Upgradable: Some configurations allow for storage upgrades

Graphics:

  • 2012 - Mid 2014:
    • Integrated Intel HD Graphics or discrete NVIDIA GeForce graphics
  • Late 2015 and Mid 2017:
    • Intel Iris Pro Graphics or AMD Radeon discrete graphics

Cameras:

  • Type: FaceTime HD camera
  • Resolution: 720p

Charging/Battery:

  • Power Supply: Built-in, specific to model, typically 85W or higher
  • Battery: Not applicable, as the iMac requires mains power

Ports:

  • Thunderbolt Ports (vary by model and year):
    • Thunderbolt (10 Gb/s) or Thunderbolt 2 (20 Gb/s) ports
  • USB:
    • USB 3.0 ports (four in most models)
  • Other:
    • Gigabit Ethernet, headphone mini-jack, SDXC card slot, etc.

Repair and Spare Parts Notes:

  • Display Assemblies: No interchangeable parts between non-Retina and Retina models due to changes in display resolution and assembly.
  • RAM: Upgradable on most models but may require opening the display.
  • HDD/SSD: Standard 2.5-inch form factor but some models use adhesive to secure the display which hampers access.

When undertaking repairs, careful identification of the specific iMac model is essential due to variations in available components like display panels and compatible processors, etc. Always refer to repair guides to ensure correct disassembly and reassembly procedures.

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