- 27-inch (diagonal) Retina 5K display with IPS technology
- 5120‑by‑2880 resolution with support for millions of colors
- 4.0GHz quad‑core Intel Core i7 (Turbo Boost up to 4.2GHz)
- 8GB (two 4GB) of 1867MHz DDR3 memory; four SO-DIMM slots, user accessible
- 2TB Fusion Drive
- AMD Radeon R9 M395X graphics processor with 4GB of GDDR5 memory
Video Support and Camera
- FaceTime HD camera
- Simultaneously supports full native resolution on the built-in display and up to two 4096-by-2160 external displays or one 5120-by-2880 dual-cable external display
- Support for extended desktop and video mirroring modes
- Stereo speakers
- Dual microphones
- 3.5 mm headphone jack
- Headphone/optical digital audio output (minijack)
- Support for Apple iPhone headset with microphone
Connections and Expansion
- 3.5 mm headphone jack
- SDXC card slot
- Four USB 3 ports (compatible with USB 2)
- Two Thunderbolt 2 ports
- Mini DisplayPort output
- Support for HDMI, DVI, VGA, and dual-link DVI (adapters sold separately)
- 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
- Kensington lock slot
802.11ac Wi-Fi wireless networking
IEEE 802.11a/b/g/n compatible
Bluetooth 4.0 wireless technology
Size and Weight
- 27-inch iMac
Height: 20.3 inches (51.6 cm)
Width: 25.6 inches (65.0 cm)
Stand depth: 8 inches (20.3 cm)
Weight: 21 pounds (9.54 kg)2
Electrical and Operating Requirements
- Line voltage: 100–240V AC
- Frequency: 50Hz to 60Hz, single phase
- Operating temperature: 50° to 95° F (10° to 35° C)
- Relative humidity: 5% to 95% noncondensing
- Operating altitude: tested up to 10,000 feet
Accessibility features help people with disabilities get the most out of their new iMac. With built-in support for vision, hearing, physical and motor skills, and learning and literacy, you can create and do amazing things.
- Increase Contrast
- Reduce Motion
- Siri and Dictation
- Switch Control
- Closed Captions
- Text to Speech
- App Store
iMac and the Environment
Apple takes a complete product life cycle approach to determining our environmental impact. Learn more
iMac is designed with the following features to reduce its environmental impact:
- Arsenic-free display glass
- Mercury-free LED-backlit display
- Recyclable aluminum enclosure
- Speaker enclosures made with 35 percent post-consumer recycled plastic
- Meets ENERGY STAR Version 6.1 requirements
- Rated EPEAT Gold6
Apple and the Environment
Learn more about Apple’s dedication to reducing the environmental impact of our products and process. Or read our Product Environmental Reports for detailed information on the environmental performance of every Apple product.
Apple takes a holistic view of materials management and waste minimization. Learn more about how to recycle your Mac.
Declared noise emission values in accordance with ECMA-109
|Sound Power Level
L W A,m (B)
|Sound Pressure Level
L p A,m (dB)
|Idle||2.25 (K v = 0.25)||15.5|
|Wireless web||2.25 (K v = 0.25)||15.5|
|Hard drive seek||2.25 (K v = 0.25)||15.5|
- L W A,m is the mean A-weighted sound power level, rounded to the nearest 0.05 B.
- L p A,m is the mean A-weighted sound pressure level measured at the operator position (rounded to the nearest 0.5 dB).
- 1 B (bel) = 10 dB (decibel)
- K v is the statistical adder for computing upper-limit of A-weighted sound power level.
- The quantity, L W A,c (formerly called L W Ad) may be computed from the sum of L W A,m and K v.
- The Wireless web test browses 25 popular websites.
- Configuration tested: 3.3GHz quad-core Intel Core i5 processor, 8GB memory, 2TB Fusion Drive, AMD Radeon R9 M395 graphics.
- 1GB = 1 billion bytes and 1TB = 1 trillion bytes; actual formatted capacity less.
- Weight varies by configuration and manufacturing process.
- Siri may not be available in all languages or in all areas, and features may vary by area.
- iMovie, GarageBand, Pages, Numbers, and Keynote are available on the Mac App Store. Downloading apps requires an Apple ID and a device that is compatible with the OS version required for each app.
- PVC-free AC power cord available in all regions except India and South Korea.
- iMac achieved a Gold rating from EPEAT in the U.S. and Canada.
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