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21.5-inch iMac MMQA2LL/A
An all-in-one desktop computer with a 21.5-inch screen, tested with macOS Sierra 10.12, an Intel Core i5 2.3GHz processor, 8GB of memory, a 1TB hard-disk drive, an integrated Intel Iris Plus Graphics 640 video adapter, and built-in speakers.
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Description
An all-in-one desktop computer with a 21.5-inch screen, tested with macOS Sierra 10.12, an Intel Core i5 2.3GHz processor, 8GB of memory, a 1TB hard-disk drive, an integrated Intel Iris Plus Graphics 640 video adapter, and built-in speakers.

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CR's Expert Take

How did it perform in our owner surveys and expert lab testing?

Overall Score

The Overall Score for this model incorporates our expert lab test results, as well as ratings for that brand’s reliability and owner satisfaction from our annual product owner survey of members.
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OWNER SURVEYS

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Predicted Reliability
 /  5
Owner Satisfaction
 /  5
Performance
 /  5
Versatility
 /  5
Ergonomics
 /  5
Display
 /  5
Speakers
 /  5
Color
 /  5
Touch screen
 /  5
OS
 /  5

Detailed Test Results

Performance: Overall this desktop's performance was very good.

Ergonomics: The desktop is bundled with a keyboard and mouse. It had well-designed features that made it comfortable or convenient to use. The keyboard and mouse are both wireless, adding to convenience when placing them. Keyboard letters were high contrast and easy to read, and its keys were comfortably sized. Keyboard features such as media playback and volume control keys add convenience. There's no dedicated number pad on the keyboard. The mouse was not as comfortable to use as others. You can't easily replace the storage drive. The power button is not in a convenient location, and is either hard to access, or easy to press accidentally. The case has no LED indicator for hard disk activity.

Display: The display quality was Excellent overall. Colors were accurately reproduced, realistic, and natural looking. The desktop's display was brighter than most and it's anti-reflective, a plus for viewing in a brightly lit room. The display has a wide viewing angle, especially important if more than one person needs to see the screen at a time, say, for a video or presentation.

Useful features and attributes on this model include: The spacious 1TB of hard drive space offers plenty of room for storing your music, photos, and movies. You can connect common external devices such as hard drives and Blu-ray burners using Thunderbolt for maximum performance. Gigabit Ethernet provides fast transfer of data over a local network. Video outputs include: supporting Thunderbolt over USB-C; these are useful for connecting to an HDTV or separate monitor.

Downsides: There's no optical drive like a CD or DVD reader, so you'll have to buy an external drive if you need one. It has a shorter-than-typical 3 months of free tech support by telephone.

About

The Apple 21.5-inch iMac MMQA2LL/A is an all-in-one desktop computer with a 21.5-inch screen. It has 8GB of memory and a 1TB hard-disk drive. It has an Intel Core i5 2.3GHz processor and an integrated Intel Iris Plus Graphics 640 video adapter. It is not suitable for high-performance gaming. However, it lacks an optical drive for burning CDs or DVDs. It comes with macOS Sierra 10.12 pre-installed.

It has an SD memory-card reader for digital photography, and it has 6 total USB ports. It supports WiFi 802.11ac, so it's compatible with high-speed routers. It also has a webcam for video conferencing.

The 21.5-inch iMac MMQA2LL/A measures 20.8 inches wide by 17.9 inches high by 6.7 inches deep. As an all-in-one desktop computer, the display and computer are combined into one device. Dimensions include the full depth of the stand, with the display set back at a 10 degree angle. It is backed by a 12-month warranty, with 3 months of free tech support by telephone.

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