Apple iMac (Retina 4K, 21.5-inch, 2019)
Display
- Retina 4K display
- 21.5-inch (diagonal) Retina 4K display
- 4096-by-2304 resolution with support for one billion colors
- 500 nits brightness
- Wide color (P3)
Processor
- 3.0GHz
3.0GHz 6-core Intel Core i5 (Turbo Boost up to 4.1GHz)
Configurable to 3.2GHz 6-core Intel Core i7, Turbo Boost up to 4.6GHz
Memory
- 3.6GHz
8GB of 2400MHz DDR4 memory
Storage
- 3.6GHz
256GB SSD
- Configurable to 1TB Fusion Drive
Graphics
- 3.0GHz
Radeon Pro 560X with 4GB of GDDR5 memory
Video Support and Camera
- FaceTime HD camera
- Simultaneously supports full native resolution on the built-in display at millions of colors (21.5-inch) or 1 billion colors (21.5-inch 4K) 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
Connections and Expansion
- 3.5 mm headphone jack
- SDXC card slot
- Four USB-A ports
- Two Thunderbolt 3 (USB-C) ports with support for:
- DisplayPort
- Thunderbolt (up to 40Gb/s)
- USB 3.1 Gen 2 (up to 10Gb/s)
- 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 Mouse 2
- Configurable with Magic Keyboard with Numeric Keypad
- Configurable with Magic Trackpad 2
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: 17.7 inches (45.0 cm)
- Width: 20.8 inches (52.8 cm)
- Stand depth: 6.9 inches (17.5 cm)
- Weight: 12.1 pounds (5.48 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 90% noncondensing
- Operating altitude: tested up to 16,400 feet (5000 meters)
In the Box
- iMac with Retina 4K display
- Magic Keyboard
- Magic Mouse 2
- Power cord
- Lightning to USB Cable
- Polishing cloth
Operating System
macOS
macOS is the most advanced desktop operating system in the world. macOS Big Sur introduces a bold new design and major updates to apps — taking macOS to a new level of power and beauty.
Accessibility
Accessibility features help people with disabilities get the most out of their new iMac. With built-in support for vision, hearing, mobility, and learning, you can create and do amazing things.
Learn more
Features include:
- Voice Control
- Voice Over
- Zoom
- Increase Contrast
- Reduce Motion
- Siri and Dictation
- Switch Control
- Closed Captions
- Text to Speech
Built-in Apps
- Photos
- iMovie
- GarageBand
- Pages
- Numbers
- Keynote
- Siri
- Safari
- FaceTime
- Messages
- Maps
- News
- Stocks
- Home
- Voice Memos
- Notes
- Calendar
- Contacts
- Reminders
- Photo Booth
- Preview
- Books
- App Store
- Time Machine
- TV
- Music
- Podcasts
- Find My
- QuickTime Player
iMac and the Environment
We take responsibility for the environmental footprint of our products throughout their life cycle.
The 21.5-inch iMac with Retina 4K display is designed with the following features to reduce its environmental impact:4
Made with better materials
- Enclosure made with recyclable, low-carbon aluminum
- 50% or more recycled plastic in multiple components
Energy efficient
- Meets ENERGY STAR requirements
Smarter chemistry
- Arsenic-free display glass
- Mercury-free LED-backlit display
- BFR-, PVC-,5 and beryllium-free
Green manufacturing
- Final assembly supplier sites do not generate any waste sent to landfill
Responsible packaging
- 100% of virgin wood fiber comes from responsibly managed forests
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