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Frequently Asked Questions About 27-inch 16GB iMac All-in-One Computers

The iMac is an all-in-one computer based on Apple's line of Macintosh systems. The series is notable for its minimalistic design and thin, anodized aluminum casing. These particular iMac models have a 27-inch screen and 16GB of RAM.

How do you choose the right iMac computer?

The iMac is divided into six different generations. Each generation has a large selection of different models with their own distinct features. You can therefore choose which model is right for you. Apart from the 27-inch screen and the 16GB of RAM, these models differ in the following ways:

  • Third generation: The third-generation iMacs feature an aluminum unibody design in which the front and back are a continuation of the same aluminum body. Available between 2009 and 2011, the 27-inch models can be identified by the names iMac 10.1, iMac 11.1, iMac 11.3, and iMac 12.2. They have a 1440p resolution screen, a dedicated Radeon HD graphics card, and a wide variety of different CPUs, including an Intel Core 2 Duo, an i3, an i5, or i7. The 12.2 version features a 720p FaceTime camera instead of a 480p webcam.
  • Fourth generation: The fourth-generation iMacs feature a slimmer unibody design in which the display and glass are laminated together. Available from 2012 onward, the 27-inch models can be identified by the names iMac 13.2 and 14.2. They have a 1440p resolution screen, a dedicated NVIDIA graphics card, and either an i5 or i7 processor.
  • Fifth generation: The fifth-generation 27-inch iMacs include an AMD Radeon graphics card, Thunderbolt 2 ports, and a 5K Retina Display for extra clarity and detail. Released between 2014 and 2017, they can be identified by the names iMac 15.1, 17.1, and 18.3.
What is an all-in-one desktop?

An all-in-one computer combines the monitor and the internal components into a single case. This helps to minimize the computer's footprint and reduce annoying wires. The iMac in particular is engineered with size in mind. For instance, the fourth-generation slim unibody iMac is no more than 5 millimeters at its thinnest point.

How do hard drives differ from SSDs?

A hard drive is a magnetic storage device found in most computers. A solid-state drive (SSD) is an electronic storage medium. Whereas a hard drive tends to have more storage capacity, a solid-state drive has the advantage of speed and reliability. Many computers only have one or the other. However, if the iMac has a Fusion Drive, then it will contain both the hard drive and solid-state drive together.

Content provided for informational purposes only. eBay is not affiliated with or endorsed by Apple.
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