The iMac "Core i7" 3.3 21.5-Inch Aluminum (Retina 4K, Late 2015/Broadwell) technically is a "configure-to-order" configuration of the iMac "Core i5" 3.1 21.5-Inch Aluminum (Retina 4K, Late 2015/Broadwell), but also is documented as a separate model for reader convenience. Other than processor (and the corresponding level 3 cache), these two models are identical.

The iMac "Core i7" 3.3 21.5-Inch Aluminum (Retina 4K, Late 2015/Broadwell) features a 14-nm "Broadwell" Quad Core 3.3 GHz Intel "Core i7" processor (5775R) with four independent processor "cores" on a single chip, a 6 MB shared level 3 cache, 8 GB of onboard 1867 MHz LPDDR3 SDRAM (which could be upgraded to 16 GB at the time of order, but cannot be upgraded after system purchase at all), a 1 TB (5400 RPM) hard drive, and an "integrated" Intel Iris Pro 6200 graphics processor that shares system memory. It also has a built-in "FaceTime HD" webcam and stereo speakers.

This model has a 21.5" 4096x2304 LED-backlit 16:9 widescreen IPS "Retina 4K" display (that runs "pixel doubled" to look like 2048x1152). The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.

Connectivity includes four USB 3.0 ports, dual Thunderbolt 2 ports, Gigabit Ethernet, 802.11ac Wi-Fi (802.11a/b/g/n compatible), and Bluetooth 4.0.

(APPLEIMAC22i75775r2015-R)

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Power Adapter/ Cable

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Brand Apple
Model iMac 21.5" 4K 
Form Factor All in One
Processor Intel Core i7 5775r 3.30Ghz
Storage 512Gb
Storage Type SSD
Display 21.5" LED-backlit 16:9 widescreen TFT active matrix "Retina 4K" display with IPS technology, a native resolution of 4096x2304
Memory 16Gb
Max Memory 16Gb
Graphics Intel Iris Pro 6200 graphics processor
Optical Nil
Webcam Yes
Video OutPut Thunderbolt
Connectivity Dual Band AC Wifi and Bluetooth® 4.0 Combo + Ethernet
I/o Ports four USB 3.0 ports, dual Thunderbolt 2 ports
Operating System Mac OSX
Dimensions 45.0 cm, 52.8 cm, 17.5 cm
Weight 5.68Kg's
Other Features  
SKU APPLEIMAC22i75775r2015-R
Barcode # 1390490160582
Brand Apple
brand Apple
type All-in-One
SSD Capacity 512 GB
Ram Size 16 GB
Storage Type SSD (Solid State Drive)
Screen Size 21.5 in
Graphics Processing Type Integrated/On-Board Graphics
Operating System Mac OS
Most Suitable For Casual Computing
Release Year 2015
Processor Intel Core i7 5th Gen.
Processor Speed 3.10 GHz
series Apple iMac
model Apple iMac 21.5"
Unit Of Measure ea

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