iMac (Retina 5K, 27-inch, 2017) - Technical Specifications
Display
Retina 5K display
27-inch (diagonal) Retina 5K display
5120‑by‑2880 resolution with support for one billion colors
500 nits brightness
Wide color (P3)
Processor
3.4GHz
3.4GHz quad‑core Intel Core i5 (Turbo Boost up to 3.8GHz)
3.5GHz
3.5GHz quad‑core Intel Core i5 (Turbo Boost up to 4.1GHz)
Configurable to 4.2GHz quad-core Intel Core i7 (Turbo Boost up to 4.5GHz)
3.8GHz
3.8GHz quad‑core Intel Core i5 (Turbo Boost up to 4.2GHz)
Configurable to 4.2GHz quad-core Intel Core i7 (Turbo Boost up to 4.5GHz)
Memory
3.4GHz
8GB (two 4GB) of 2400MHz DDR4 memory; four SO-DIMM slots, user accessible
Configurable to 16GB or 32GB
3.5GHz
8GB (two 4GB) of 2400MHz DDR4 memory; four SO-DIMM slots, user accessible
Configurable to 16GB, 32GB, or 64GB
3.8GHz
8GB (two 4GB) of 2400MHz DDR4 memory; four SO-DIMM slots, user accessible
Configurable to 16GB, 32GB, or 64GB
Storage1
3.4GHz
1TB Fusion Drive
Configurable to 2TB Fusion Drive or 256GB, 512GB, or 1TB SSD
3.5GHz
1TB Fusion Drive
Configurable to 2TB or 3TB Fusion Drive or 256GB, 512GB, or 1TB SSD
3.8GHz
2TB Fusion Drive
Configurable to 3TB Fusion Drive or 512GB, 1TB, or 2TB SSD
Graphics
3.4GHz
Radeon Pro 570 with 4GB of VRAM
3.5GHz
Radeon Pro 575 with 4GB of VRAM
3.8GHz
Radeon Pro 580 with 8GB of VRAM
Video Support and Camera
FaceTime HD camera
Simultaneously supports full native resolution on the built-in display at 1 billion colors and:
One 5120‑by‑2880 (5K) external display at 60Hz with support for 1 billion colors, or
Two 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colors, or
Two 4096‑by‑2304 (4K) external displays at 60Hz with support for millions of colors
Thunderbolt 3 digital video output
Native DisplayPort output over USB‑C
Thunderbolt 2, HDMI, DVI, and VGA output supported using adapters (sold separately)
Audio
Stereo speakers
Microphone
3.5 mm headphone jack
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 3 (USB-C) ports with support for:
DisplayPort
Thunderbolt (up to 40 Gbps)
USB 3.1 Gen 2 (up to 10 Gbps)
Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separately)
10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
Kensington lock slot
Input
Magic Keyboard
Magic Keyboard comes standard with your iMac. It’s wireless and rechargeable (so you won’t be replacing batteries), with an ultracompact, edge-to-edge design that wastes no surface space. It has a stable scissor mechanism, optimized key travel, and a low profile that provide control and comfort. And it pairs immediately with your iMac right out of the box.
Magic Keyboard with Numeric Keypad
You get all the functionality of Magic Keyboard, with an extended layout that makes it even easier to work and play. The new Magic Keyboard with Numeric Keypad includes document navigation controls — page up, page down, home, and end — and full-size arrow keys that are perfect for navigating pro apps, moving through spreadsheets, and playing games.
Magic Mouse 2
Magic Mouse 2 comes standard with your iMac. The design of Magic Mouse 2 lets it glide smoothly across your desk. And since it supports Multi-Touch, you can use simple gestures on its surface to do things such as swipe between web pages and scroll through documents.
Magic Trackpad 2
If you prefer using a trackpad, Magic Trackpad 2 gives you the full range of Multi-Touch gestures and introduces Force Touch to the desktop. Sensors underneath the trackpad surface detect subtle differences in the amount of pressure you apply, bringing more functionality to your fingertips and enabling a deeper connection to your content. This design, along with a low profile, makes it extremely comfortable to use.
Wireless
Wi-Fi
802.11ac Wi-Fi wireless networking
IEEE 802.11a/b/g/n compatible
Bluetooth
Bluetooth 4.2 wireless technology
Size and Weight
Height: 20.3 inches (51.6 cm)
Width: 25.6 inches (65.0 cm)
Stand depth: 8 inches (20.3 cm)
Weight: 20.8 pounds (9.44 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
In the Box
iMac with Retina 5K display
Magic Keyboard
Magic Mouse 2
Power cord
Lightning to USB Cable
Operating System
macOS
macOS is the operating system that powers everything you do on a Mac. macOS Mojave brings new features inspired by its most powerful users, but designed for everyone. So you can get more out of every click.
Accessibility
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.
Learn more about Accessibility
Features include:
VoiceOver
Zoom
Increase Contrast
Reduce Motion
Siri and Dictation
Switch Control
Closed Captions
Text to Speech
Built‑in Apps3
Photos
iMovie
GarageBand
Pages
Numbers
Keynote
Siri
Safari
Mail
FaceTime
Messages
Maps
News
Stocks
Home
Voice Memos
Notes
Calendar
Contacts
Reminders
Photo Booth
Preview
iTunes
Books
App Store
Time Machine
Configure to Order
Configure your iMac with these options.
Looking for an iMac you can mount on a wall or an adjustable arm? Choose an iMac with a Built-in VESA Mount Adapter.
3.4GHz
Magic Trackpad 2
Magic Keyboard with Numeric Keypad
16GB or 32GB memory upgrade
2TB Fusion Drive
256GB, 512GB, or 1TB SSD
3.5GHz
Magic Trackpad 2
Magic Keyboard with Numeric Keypad
4.2GHz quad-core Intel Core i7 upgrade
16GB, 32GB, or 64GB memory upgrade
2TB or 3TB Fusion Drive
256GB, 512GB, or 1TB SSD
3.8GHz
Magic Trackpad 2
Magic Keyboard with Numeric Keypad
4.2GHz quad-core Intel Core i7 upgrade
16GB, 32GB, or 64GB memory upgrade
3TB Fusion Drive
512GB, 1TB, or 2TB SSD
iMac and the Environment
Apple takes a complete product life cycle approach to determining our environmental impact. Learn more about iMac and the Environment
iMac is designed with the following features to reduce its environmental impact:
Arsenic-free display glass
BFR-free
PVC-free4
Beryllium-free
Mercury-free LED-backlit display
Recyclable aluminum enclosure
Speaker enclosures made with 60 percent post‑consumer recycled plastic
Meets ENERGY STAR Version 6.1 requirements
Rated EPEAT Gold5
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 GiveBack
Letting go of your old Mac is easy with Apple GiveBack. If it’s in good shape, you can trade it in for Apple Store credit. If it’s not eligible for credit, we’ll recycle it responsibly at no cost to you. Good for you. Good for the planet.
Acoustic Performance
Declared noise emission values in accordance with ECMA-109
| Sound Power Level L W A,m (B) | Sound Pressure Level Operator Position L p A,m (dB) |
|---|---|---|
Idle | 2.3 (K V =0.3) | 15 |
Wireless web | 2.3 (K V =0.3) | 15 |
Hard drive seek | 2.3 (K V =0.3) | 16 |
L W A,m is the mean A-weighted sound power level, rounded to the nearest 0.1 B.
L p A,m is the mean A-weighted sound pressure level measured at operator position (rounded to the nearest 1 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: 3.8GHz quad-core Intel Core i5 processor, 8GB memory, 2TB hard drive, Radeon Pro 580 Graphics.
1GB = 1 billion bytes and 1TB = 1 trillion bytes; actual formatted capacity less.
Weight varies by configuration and manufacturing process.
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.