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Apple iMac "Core 2 Duo" 2.0 20-Inch (Mid-2009) Specs

Identifiers: Mid-2009 (Edu) - MC015LL/A - iMac9,1 - A1224 - 2266

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Apple iMac Intel AluminumThe iMac "Core 2 Duo" 2.0 20-Inch Aluminum (Mid-2009/Education Only) -- which only was available for sale to educational institutions -- features a 2.0 GHz Intel "Core 2 Duo" processor, with two independent processor "cores" on a single silicon chip, a 3 MB shared level 2 cache, a 1066 MHz system bus, 1 GB of RAM (1066 MHz DDR3 SDRAM), a 160 GB (7200 RPM) hard drive, a vertically-mounted slot-loading DVDR DL "SuperDrive", NVIDIA GeForce 9400M graphics with 128 MB of memory shared with the system, a built-in iSight video camera, and built-in stereo speakers underneath the 20" glossy TFT Active Matrix LCD (1680x1050 native) display.

Connectivity includes four USB 2.0 ports, a Firewire "800" port, built-in AirPort Extreme, and Gigabit Ethernet, as well as a Mini DisplayPort, which supports an external display in "extended desktop" mode.

Compared to the higher-end iMac "Core 2 Duo" (Early 2009) models, this model has a slower processor and half the shared level 2 cache, a smaller hard drive, less RAM (and half the maximum RAM capacity), less shared DDR3 video memory, and no support for internal Bluetooth. By default, it shipped with a keyboard without the numeric keypad but could be upgraded to one with a numeric keypad at no extra cost.

Also see:

  • What are the differences between the education-only "Mid-2009" Aluminum iMac Core 2 Duo and the "White" model it replaced?
  • What are the differences between the education-only "Mid-2009" Aluminum iMac Core 2 Duo and the "regular" 20-Inch "Early 2009" iMac?

Buy This Mac -- and all other new & used Macs -- at site sponsor PowerMax.

Buy This Mac and much more at site sponsor MegaMacs.

Upgrade This Mac at site sponsor Other World Computing. Memory, drives & more.

Repair This Mac. Quality Mac repair for 50% less than Apple at site sponsor MicroReplay.



Click on the underlined category text for related details. The most commonly needed info is "open" by default, but all info is important.


April 7, 2009 March 4, 2010
Details: The "Introduction Date" typically refers to the date a model was introduced via press release although one was not issued for this model. The "Discontinued Date" refers to the date a model either was replaced by a subsequent system or production otherwise ended.

Also see: All Macs introduced in 2009.
1 (2 Cores) 64-Bit
Details: Also see: All models with a 64-Bit processor courtesy of EveryMac.com's Ultimate Mac Sort.
2881 3183
Details: Geekbench 2 benchmarks are in 32-bit and 64-bit modes, respectively. These numbers reflect an average of user provided 32-bit and 64-bit results as submitted to the Geekbench website. Higher numbers are better.

You also might be interested in reviewing all 32-bit and 64-bit Geekbench 2 user submissions for Macs with the iMac9,1 Model Identifier, which may include multiple models.

To dynamically compare Geekbench 2 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison.
1154 2026
Details: These Geekbench 3 benchmarks are in 32-bit mode and are for a single processor core and all processor cores, respectively. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better.

You also might be interested in reviewing all 32-bit single core and multicore Geekbench 3 user submissions for Macs with the iMac9,1 Model Identifier, which may include multiple models.

To dynamically compare 32-bit Geekbench 3 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison.
N/A N/A
Details: When last updated, Geekbench 3 only provided sufficient 32-bit performance data for this model. Both numbers reflect an average of user provided results as submitted to the Geekbench website. Higher numbers are better.

You also might be interested in reviewing all 64-bit single core and multicore Geekbench 3 user submissions for Macs with the iMac9,1 Model Identifier, which may include multiple models.

To dynamically compare 64-bit Geekbench 3 results from different Macs side-by-side, see EveryMac.com's Ultimate Mac Comparison.
2.0 GHz Core 2 Duo (P7350)
Details: All Intel "Core 2 Duo" processors include two independent processor "cores" on a single silicon chip.
N/A N/A
Details: N/A
Soldered* Integrated
Details: *Officially, Apple provides no support for upgrading the processor in any Intel-based iMac models, but many models have the processor socket-mounted which makes upgrading the processor feasible. As this model has much in common with the "Early 2009" Mac mini, which has the processor soldered to the motherboard, it seems probable that this model does as well.
1066 MHz 2.0 GHz (Built-in)
Details: 1066 MHz frontside bus.
EFI 64-Bit
Details: N/A
32k/32k 3 MB (on chip)
Details: Includes a 3 MB shared "on chip" level 2 cache that runs at processor speed.
PC3-8500 DDR3 1066 MHz
Details: Supports 1066 MHz PC3-8500 DDR3 SO-DIMMs (204-pin).

Also see: How do you upgrade the RAM in this Aluminum iMac model? How much RAM does it actually support?
1 GB 8 GB*
Details: By default, 1 GB of RAM is installed as a single 1 GB SO-DIMM module. One slot free.

*Apple originally supported 4 GB of RAM in this model, and it was believed to have an artificial EFI limitation that prevented 8 GB of RAM from being recognized. However, Apple later began to support 8 GB of RAM.

In the US (and many other countries), site sponsor Other World Computing sells memory -- as well as other upgrades -- for this iMac.

In Canada, site sponsor The Mac Market sells memory and other upgrades for this iMac.

In Australia, site sponsor RamCity sells memory and other upgrades for this iMac.

In Southeast Asia, site sponsor SimplyMac.sg sells memory and other upgrades for this iMac.

Also see: Actual Max RAM of All G3 & Later Macs.
None 2
Details: This model supports two 2 GB modules -- one in each slot for a maximum of 4 GB of memory.
GeForce 9400M Integrated
Details: This model has a NVIDIA GeForce 9400M that shares memory with the system.

Also see: What type of video processor is provided by the Aluminum iMac systems? Is it upgradable?
128 MB 128 MB
Details: Apple reports that "memory available to Mac OS X may vary depending on graphics needs" and that the minimum graphics usage is 128 MB with this model.
20.0" Widescreen 1680x1050
Details: This model has a 20.0" "glossy" TFT widescreen active matrix display with a native resolution of 1680x1050. Apple also reports a "typical" brightness of 290 cd/m2, contrast ratio of 800:1, and viewing angle of 160 degrees horizontal and 160 degrees vertical.

Also see: What are the differences between the displays used in the Intel-based "Aluminum" and "White" iMac models? What is the viewable angle and the brightness of each?

Site sponsor MicroReplay provides display replacement as well as advanced repair services like liquid spill recovery, logic board repair, accident and abuse repair, and more for this iMac.
Dual/Mirroring 2560x1600
Details: Apple reports that this model simultaneously supports the native resolution of the built-in display and up-to a 30-inch external display (2560x1600).
160 GB Serial ATA (3 Gb/s)
Details: Also see: How do you upgrade the hard drive in the Aluminum iMac models? What type of hard drive do they support? Can you swap the hard drive for an SSD?

Site sponsor Other World Computing sells storage upgrades for this iMac.

Site sponsor Mission Repair offers professional storage installation and other services in 24 hours for this iMac.
8X DL "SuperDrive" None
Details: Apple reports that the slot-loading 8X "SuperDrive" with 4X double-layer burning (DVD+R DL/DVDRW/CD-RW) "writes DVD+R DL discs at up to 4x speed, writes DVD-R and DVD+R discs at up to 8x speed, writes DVD-RW at up to 6x and DVD+RW discs at up to 8x speed, reads DVDs at up to 8x speed, writes CD-R discs at up to 24x speed, writes CD-RW discs at up to 16x speed, [and] reads CDs at up to 24x speed."

Site sponsor Other World Computing offers a "Data Doubler" mounting kit that may be of interest. It makes it simple to install a second hard drive or SSD in the optical drive bay of this iMac.
None 10/100/1000Base-T
Details: External Apple USB Modem offered for US$49.
802.11a/b/g/n None
Details: AirPort Extreme (802.11a/b/g/n) standard. This model does not support internal Bluetooth.

Also see: What is 802.11n? How is it different from 802.11b, 802.11g, and 802.11a?
4 (2.0) 1 (800)
Details: Four USB 2.0 ports and one Firewire "800" port (7 watts). Apple advertises that this system has "six" USB 2.0 ports, counting four on the system and two on the keyboard.
None None
Details: N/A
Apple Keyboard* Mighty Mouse
Details: *By default, this model comes with a small aluminum "ultrathin, compact wired keyboard" that lacks the numerical keypad.

Also see: How does the "ultra thin" keyboard provided with the "Aluminum" iMac Core 2 Duo models compare to a more traditional desktop keyboard? How does it feel?
All-in-One iMac Core 2 Duo (2009)
Details: The "Early 2009" and "Mid-2009" iMac "Core 2 Duo" models use an all-in-one "aluminum and glass" enclosure on an aluminum stand that is essentially the same as the previous "Aluminum" iMac models, but the "supporting foot" is tapered toward the front rather than squared off.
MC015LL/A Mid-2009 (Edu)
Details: The Apple order number should be unique to this system.
A1224 (EMC 2266) iMac9,1
Details: Please note that these identifiers refer to more than one model.

Also see: All Macs with the A1224 Model Number, the 2266 EMC Number, and the iMac9,1 Model Identifier.

For more about these identifiers and how to locate them on each Mac, please refer to EveryMac.com's Mac Identification section.
N/A N/A
Details: N/A
X 10.5.7 Current*
Details: *If upgraded to at least 2 GB of RAM, this system fully supports the last version of OS X 10.8 "Mountain Lion" and the current version of OS X 10.9 "Mavericks," except for Power Nap and AirPlay Mirroring functionality (which also requires an Apple TV 2nd Gen or later.

Please note that OS X "Lion" 10.7 and subsequent versions of OS X, like Mountain Lion and Mavericks, are not capable of running Mac OS X apps originally written for the PowerPC processor as these operating systems do not support the "Rosetta" environment. To run PowerPC applications on this Mac, it will be necessary to use Mac OS X 10.6 "Snow Leopard" or earlier.
XP SP2 (32-Bit)* 7 (32-Bit)*
Details: *Apple's Boot Camp 4 formally supports the 32-bit versions of Windows XP SP2, Windows Vista, and Windows 7. However, the system does meet Microsoft's minimum requirements for Windows 8 and readers have reported successfully running the 32-bit version of this operating system with appropriate drivers.
None Boot/Virtualization
Details: Also see: Are there any third-party programs to run Mac OS 9/Classic applications on Intel Macs?

Site sponsor OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications.

For more on running Windows on Intel Macs, please refer to the exhaustive Windows on Mac Q&A.
18.5 x 19.1 x 7.4 20 lbs. (9.1 kg)
Details: In inches - height by width by depth, (46.9 cm, 48.5 cm, 18.9 cm).
US$899* US$650-US$750
Details: This model was only available for purchase by educational institutions.

Please note that on average the estimated current retail pricing of used systems is updated twice a year (please refer to the date on the bottom of the page for the date last updated).



Click on the underlined category text for additional details. The most commonly needed info is "open" by default, but all info is important. The icons correspond with the icons for each port on the computer.


1 (Mini DisplayPort) None
Details: Supports external display in dual display and mirroring modes. Mini DisplayPort also supports DVI, VGA, and dual-link DVI with optional adapters.
None None
Details: N/A
None None
Details: N/A
4 (2.0) 1 (800)
Details: Four USB 2.0 ports and one Firewire "800" port (7 watts). Apple advertises that this system has "six" USB 2.0 ports, counting four on the system and two on the keyboard.
None 1 (RJ-45)
Details: No internal modem. External Apple USB modem offered for US$49. Gigabit Ethernet, AirPort Extreme (802.11g/n) standard. This model does not support internal Bluetooth.
None None
Details: N/A
1 (Built-in) 1
Details: Combined "optical digital audio input/audio line in minijack."
1 1
Details: Single shared "headphone/optical digital audio output".
1 None
Details: N/A
1 None
Details: 100V-240V, 200W maximum.



Global original prices for the iMac "Core 2 Duo" 2.0 20-Inch (Mid-2009) in 24 different countries and territories follow; organized alphabetically by region.

For global original prices for Intel Macs in one particular country on a single page, please refer to EveryMac.com's Global Original Prices section.


Original Prices - North America

C$949 US$899*

Original Prices - Europe

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Original Prices - Asia

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Original Prices - Australia & New Zealand

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Ten of the most popular Q&As about the iMac models follow.


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