iMac (21.5-inch, Mid 2011) - Technical Specifications
Display
21.5-inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors
Resolution: 1920 by 1080 pixels
Processor
2.5GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
2.7GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
Configurable to 2.8GHz quad-core Intel Core i7, only at the Apple Online Store.
Memory
4GB (two 2GB) of 1333MHz DDR3 memory
Configurable to 16GB, only at the Apple Online Store.
Storage1
2.5 GHz
500GB (7200 rpm) hard drive
2.7 GHz
1TB (7200 rpm) hard drive
Configurable to 2TB hard drive or 256GB solid-state second drive, only at the Apple Online Store.
Graphics
2.5 GHz
AMD Radeon HD 6750M graphics processor with 512MB of GDDR5 memory
2.7 GHz
AMD Radeon HD 6770M graphics processor with 512MB of GDDR5 memory
Video Support and Camera
FaceTime HD camera
Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display
Support for extended desktop and video mirroring modes
Audio
Built-in stereo speakers
Two internal 17-watt high-efficiency amplifiers
Headphone/optical digital audio output (minijack)
Audio line in/optical digital audio input (minijack)
Built-in microphone
Support for Apple iPhone headset with microphone
Connections and Expansion
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One Thunderbolt port
Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
One FireWire 800 port; 7 watts
Four USB 2.0 ports
SDXC card slot
Slot-loading 8x SuperDrive with 4x double-layer burning (DVD±R DL/DVD±RW/CD-RW)
Audio in/out
10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
IR receiver
Input
Apple Wireless Keyboard
Full-size keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys, 4 arrow keys (inverted “T” arrangement), and embedded numeric keypad
Magic Mouse
Smooth, seamless Multi-Touch surface with support for simple gestures (scrolling and swiping). Click and double-click anywhere. Ambidextrous construction accommodates left- and right-handed users.
Magic Trackpad
Solid-state scrolling trackpad for precise cursor control; supports inertial scrolling, pinch and expand, swipe, three-finger swipe, four-finger swipe, tap, double-tap, rotate, screen zoom, scroll, click and drag, click drag and lock, secondary click A and B
Wireless
Wi-Fi
802.11n Wi-Fi wireless networking;2 IEEE 802.11a/b/g compatible
Bluetooth
Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology
Size and Weight
Height: 17.75 inches (45.1 cm)
Width: 20.8 inches (52.8 cm)
Depth: 7.42 inches (18.85 cm)
Weight: 20.5 pounds (9.3 kg)3
Electrical and Operating Requirements
Line voltage: 100-240V AC
Frequency: 50Hz to 60Hz, single phase
Maximum continuous power: 205W
Operating temperature: 50° to 95° F (10° to 35° C)
Storage temperature: -4° to 116° F (-20° to 47° C)
Relative humidity: 5% to 95% noncondensing
Maximum altitude: 10,000 feet
Typical acoustical performance
Sound pressure level (operator position): 18 dBA at idle4
Limited Warranty and Service
Your iMac comes with 90 days of free telephone support and a one-year limited warranty. Purchase the AppleCare Protection Plan to extend your service and support to three years from your computer’s purchase date. Only the AppleCare Protection Plan provides you with direct telephone support from Apple technical experts and the assurance that repairs will be handled by Apple-authorized technicians using genuine Apple parts. For more information, visit Apple support or call 800-823-2775.
Environmental Status Report
iMac is designed with the following features to reduce its environmental impact:
Arsenic-free display glass
BFR-free
PVC-free5
Mercury-free LED-backlit display
Highly recyclable aluminum and glass enclosures
Meets ENERGY STAR 5.2 requirements
Rated EPEAT Gold6
Apple and the Global Environment
Learn more about Apple’s dedication to reducing the environmental impact of our products and process. The Apple Product Environmental Specification details the environmental attributes of our products.
Acoustic Performance
DECLARED NOISE EMISSIONS in accordance with ISO 9296
Sound Power Level LWAd (B) 1 B = 10 dB | Sound Pressure Level Operator Position LpAm (dB) | |||
2.5 GHz | 2.7 GHz | 2.5 GHz | 2.7 GHz | |
Idle | 3.0 | 3.0 | 18 | 17 |
Hard drive accessing | 3.0 | 3.0 | 19 | 17 |
CD drive accessing | 3.3 | 3.2 | 22 | 20 |
LWAd is the statistical upper-limit A-weighted sound power level (rounded to the nearest 0.1 B).
LpAm is the mean A-weighted sound pressure level measured at the operator position (rounded to the nearest dB).
1 B (bel) = 10 dB (decibel).
Recycling
Apple takes a holistic view of materials management and waste minimization. Learn more about how to recycle your Mac.
In the Box
iMac
Apple Wireless Keyboard
Apple Magic Mouse
Power cord
Install/restore DVDs
Printed and electronic documentation
Included Software
OS X Lion
Includes Mail, Address Book, iCal, the Mac App Store, iTunes, Safari, Time Machine, FaceTime, Photo Booth, Mission Control, Launchpad, AirDrop, Resume, Auto Save, Versions, Quick Look, Spotlight, QuickTime, and more.
iLife
Includes iPhoto, iMovie, and GarageBand.
Configurable Options
Purchase from the Apple Online Store to upgrade processor, graphics, memory, and hard drive, or to swap Magic Mouse for Magic Trackpad.
2.5 GHz
Magic Trackpad
8GB memory upgrade (two 4GB)
2.7 GHz
Magic Trackpad
8GB memory upgrade (two 4GB)
16GB memory upgrade (four 4GB)
2TB hard drive
256GB solid-state second drive
2.8GHz quad-core Intel Core i7
Accessories
Mac Software
iWork
Aperture
Logic Express
Final Cut Express
Displays and Graphics
Apple Mini DisplayPort to DVI Adapter
Apple Mini DisplayPort to VGA Adapter
Apple Mini DisplayPort to Dual-Link DVI Adapter
AirPort and Wireless
Time Capsule
AirPort Express Base Station
AirPort Extreme Base Station
Other Accessories
Magic Trackpad
Apple Battery Charger
VESA Mount Adapter Kit
AppleCare Protection Plan
1GB = 1 billion bytes and 1TB = 1 trillion bytes; actual formatted capacity less.
Wireless Internet access requires a wireless access point and Internet access; fees may apply.
Weight varies by configuration and manufacturing process.
Acoustics measured on standard 21.5-inch iMac systems. Acoustics may vary by configuration.
PVC-free AC power cord is available in the U.S., Canada, Mexico, Colombia, El Salvador, Guatemala, Panama, Peru, Puerto Rico, U.S. Virgin Islands, and Venezuela.
iMac achieved a Gold rating from EPEAT in the U.S. and Canada.