iMac (Intel-based)

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iMac (Intel based)
Developer Apple Inc.
Type Desktop
Release date September 2013 (current model)
January 10, 2006 (original release)
CPU Intel Core i5, Intel Core i7 (current model)
Intel Core Duo (original release)

The iMac is a series of Macintosh desktop computers offered by Apple Inc. The current Apple iMac features either an Intel Core i5 or Core i7 processor, Nvidia GeForce 700 Series graphics cards, and a choice of either a 21.5" or 27" LED-LCD display.

Previous iMac models featured either a white polycarbonate enclosure or an aluminium enclosure. The 2009 iMac model featured a unibody aluminium enclosure, which can still be seen on the current model. The current iMacs released in October 2012 also feature a much thinner display, with the edge measuring just 5 mm.[1]

History[edit]

At the Macworld Conference and Expo on January 10, 2006, Steve Jobs announced that the new iMac would be the first Macintosh to use an Intel CPU, the Core Duo. The introduction of the new iMac along with the Intel-based MacBook Pro signaled the start of a six-month transition from PowerPC to Intel processors.

The features, price, and case design remained unchanged from the iMac G5. The processor speed, however, according to tests run by Apple using SPEC,[2] was declared to be two to three times faster than the iMac G5.

Polycarbonate iMac[edit]

17-inch polycarbonate iMac

Alongside the MacBook Pro, the iMac Core Duo represents Apple's first computer to feature Intel processors instead of PowerPC processors, a transition that completed in November 2006. Since the introduction of the iMac Core Duo, other lines have followed, including the introduction of the Intel Core-powered Mac mini on February 28, 2006, the MacBook consumer line of laptop computers on May 16, 2006, the Mac Pro on August 7, 2006, and the Xserve in November 2006, completing the Macintosh family transition to Intel processors.

In early February 2006, Apple confirmed reports of video display problems on the new Intel-based iMacs. When playing video on Apple's Front Row media browser, some 20-inch iMacs (those built-to-order with upgraded video cards) showed random horizontal lines, ghosting, video tearing and other problems. The problem was fixed with a software update.

In late 2006, Apple introduced a new version of the iMac which included a Core 2 Duo chip and a lower price. Apple added a new 24-inch model with a resolution of 1920 × 1200 (WUXGA), making it the first iMac to be able to display 1080p content in its full resolution, and a VESA Flat Display Mounting Interface. Except for the 17-inch 1.83 GHz processor model, this version also included an 802.11n draft card.[3]

Specifications of polycarbonate iMacs from 2006 through 2007
Processor model Intel Core Duo Intel Core 2 Duo
Model Early 2006[4] Mid 2006[5] Late 2006[6]
Marketing Model No.[7] MA199xx/A MA200xx/A MA406xx/A MA710xx/A MA590xx/A MA589xx/A MA456xx/A
Model Identifier iMac4,1 iMac4,2 iMac5,2 iMac5,1 iMac6,1
EMC No. 2104 2105 2110 2124 2114 2118 2111
Enclosure White polycarbonate
Display 17", 1440 × 900 20", 1680 × 1050 17", 1440 × 900 20", 1680 × 1050 24", 1920 × 1200
widescreen 16:10, matte display
Processor 1.83 GHz (T2400) 1.83 GHz (T5600) 2.0 GHz (T7200) 2.16 GHz (T7400)
2 MB on-chip L2 cache 4 MB on-chip L2 cache
Optional: 2.0 GHz (T2500) Optional: 2.16 GHz (T7400) Optional: 2.33 GHz (T7600)
System bus 667 MHz front side bus
Memory 667 MHz PC2-5300 DDR2 SO-DIMM SDRAM
512 MB (early 2006, one 512 MB/Mid 2006, two 256 MB)
Optional: 2 GB
512 MB (two 256 MB) or 1 GB (two 512 MB)
Optional: 3 GB
Graphics ATI Radeon X1600 with 128 MB of GDDR3 SDRAM Intel GMA 950 with 64 MB shared memory ATI Radeon X1600 with 128 MB of GDDR3 SDRAM nVidia GeForce 7300GT with 128 MB of GDDR3 SDRAM
Optional: 256 MB Optional: 256 MB Optional: 7600GT with 256 MB
Hard drive 160 GB
Optional: 250 GB
250 GB
Optional: 500 GB
160 GB
Optional: 250 GB
160 GB 160 GB
Optional: 250 GB or 500 GB
250 GB
Optional: 500 GB
Serial ATA 7200-rpm
Optical drive Slot-loading 8× SuperDrive with 2.4× DL recording (DVD+R DL/DVD±RW/CD-RW) 24× combo drive (DVD-ROM/CD-RW) SuperDrive
Connectivity Internal AirPort Extreme 802.11a/b/g
Gigabit Ethernet
Built-in infrared (IR) receiver for Apple Remote
Bluetooth 2.0 + EDR (except Late 2006 1.83 Ghz)
Internal Airport Extreme 802.11a/b/g (draft-n disabled by default)
Gigabit Ethernet
Built-in infrared (IR) receiver for Apple Remote
Bluetooth 2.0 + EDR
Camera iSight Camera (640 × 480 0.3 MP)
Video out
Mini-DVI
Peripherals
3x USB 2.0
2x Firewire 400
Headphone/digital audio output
Audio line-in
3x USB 2.0
2x Firewire 400
Headphone/digital audio output
Audio line-in/digital audio input
3x USB 2.0
1x Firewire 400
1x Firewire 800
Headphone/digital audio output
Audio line-in/digital audio input
Maximum operating system OS X 10.6 "Snow Leopard" OS X 10.7 "Lion"

Aluminum iMac[edit]

20" Aluminum iMac

In August 2007, Apple introduced a complete redesign of the iMac, featuring an aluminum, glass and plastic enclosure. There is only one visible screw on the entire computer, located at the base of the iMac for accessing the memory slots. The back is no longer removable and is now a continuation of the aluminum body from the front and sides. The 17-inch model was completely removed from the lineup.

In March 2009, Apple released a minor refresh of the iMac line. Changes included a fourth USB port, removal of the FireWire 400 port, and a slightly redesigned base. The exterior design was almost identical to the older Intel-based iMacs. The models were one 20-inch configuration and three 24-inch configurations (instead of two at each screen size as before).[8]

Apple doubled the default RAM and hard-disk size on all models, moving the RAM to the DDR3 specification. This revision also introduced a new, smaller, and more compact Apple Keyboard that excluded the numeric keypad and forward delete key in favor of the fn + Delete keys shortcut by default.[8] Users could, however, replace this version with a more traditional, full-size model with a numeric keypad by requesting Apple to build their machine to order through its online store.

Specifications of aluminium iMacs from 2007 through 2009
Component Intel Core 2 Duo
Model Mid 2007[9] Early 2008[10] Early 2009[11]
Enclosure Aluminum, glass and plastic
Marketing Model No.[12] MA876XX/A
MA877XX/A
MB199XX/A
MB200XX/A
MA878XX/A
MB201XX/A
MB322XX/A
MB323XX/A
MB324XX/A
MB388XX/A
MB391XX/A
MB325XX/A
MB393XX/A
MB398XX/A
MB417XX/A
MC019XX/A
MB418XX/A
MB419XX/A
MB420XX/A
MC020XX/A
MC021XX/A
MC022XX/A
Model identifier iMac7,1 iMac8,1 iMac9,1
Display 20", 1680 × 1050 24", 1920 × 1200 IPS 20", 1680 × 1050 24", 1920 × 1200 IPS 20", 1680 × 1050 24", 1920 × 1200 IPS
glossy glass-covered widescreen 16:10
Processor 2.0 GHz (T7300) Intel Core 2 Duo with 4 MB on-chip L2 cache 2.4 GHz (T7700) with 4 MB on-chip L2 cache 2.4 GHz (E8135) Intel Core 2 Duo with 6 MB on-chip L2 cache 2.8 GHz (E8235) with 6 MB on-chip L2 cache 2.66 GHz (E8135) Intel Core 2 Duo with 6 MB on-chip L2 cache 2.93 GHz (E8335) with 6 MB on-chip L2 cache
Optional: 2.4 GHz (T7700) Optional: 2.8 GHz (X7900) Core 2 Extreme Optional: 2.66 GHz (E8335) Optional: 3.06 GHz (E8435) Optional: 2.93 GHz (E8335) Optional: 3.06 GHz (E8435)
System bus 800 MHz front side bus 1066 MHz front side bus
Memory 1 GB (two 512 MB) or 2 GB (two 1 GB)
Optional: 4 GB
1 GB (two 512 MB) or 2 GB (two 1 GB)
Optional: 4 GB
2 GB (two 1 GB) or 4 GB (two 2 GB)
Optional: 8 GB
SODIMM DDR2 SDRAM-667 SODIMM DDR2 SDRAM-800 SODIMM DDR3 SDRAM-1066
Graphics ATI Radeon HD 2400 XT with 128 MB of GDDR3 SDRAM ATI Radeon HD 2600 PRO with 256 MB of GDDR3 SDRAM ATI Radeon HD 2400 XT with 128 MB of GDDR3 SDRAM ATI Radeon HD 2600 PRO with 256 MB of GDDR3 SDRAM nVidia GeForce 9400M with 256 MB shared memory nVidia GeForce GT 120 with 256 MB of GDDR3 SDRAM
Optional: 2600 PRO with 256 MB Optional: 2600 PRO with 256 MB Optional: nVidia 8800 GS with 512 MB Optional: GT 130 or ATI Radeon HD 4850, both with 512 MB of GDDR3 SDRAM
Hard drive 250 GB
Optional: 320 GB, 500 GB, 750 GB or 1 TB
320 GB
Optional: 500 GB, 750 GB or 1 TB
250 GB
Optional: 320 GB, 500 GB, 750 GB or 1 TB
320 GB
Optional: 500 GB, 750 GB or 1 TB
320 GB
Optional: 640 GB or 1 TB
640 GB
Optional: 1 TB
Serial ATA 7200 rpm
Optical drive 8x double-layer SuperDrive (DVD±R DL/DVD±RW/CD-RW)
Connectivity Internal AirPort Extreme 802.11a/b/g/n (draft-n enabled)
Gigabit Ethernet
Built-in infrared (IR) receiver for Apple Remote
Bluetooth 2.0 + EDR
Internal AirPort Extreme (802.11n) 802.11a/b/g/n (draft-n enabled)
Gigabit Ethernet
Built-in infrared (IR) receiver for Apple Remote
Bluetooth 2.1 + EDR
Camera iSight Camera (640 x 480 0.3 MP)
Video out Mini-DVI Mini DisplayPort
Peripherals 3x USB 2.0
1x FireWire 400
1x Firewire 800
Headphone/digital audio output
Audio line-in/digital audio input
4x USB 2.0
1x Firewire 800
Headphone/digital audio output
Audio line-in/digital audio input

Unibody iMac[edit]

27" Unibody iMac

In October 2009, a 16:9 aspect ratio screen was introduced in 21.5" and 27" models, replacing the 20" and 24" 16:10 aspect ratio screens of the previous generation. Video card options entirely switched to AMD, save for the standard onboard Nvidia card in the base model. The iMac's processor selection saw a significant increase.

Default RAM has also been increased across the iMac range. With the advent of the larger screens, Apple doubled the number of memory slots from two to four. Consequently, the maximum memory capacity was also doubled (to 16 GB).

On May 3, 2011, Intel's new Core i5 and Core i7 chips, based on the Sandy Bridge microarchitecture, became available standard. The current iMac ships with Bluetooth and AirPort cards, an internal FaceTime HD camera, a power cord, the Apple Wireless Keyboard, and the wireless Apple Magic Mouse or Apple Magic Trackpad.

Specifications of Unibody iMacs from 2009 through 2011
Component Intel Core 2 Duo, Core i5, and Core i7 Intel Core i3, Core i5, and Core i7 Core i5, and Core i7
Model Late 2009[13] Mid 2010[14] Mid 2011[15]
Release date October 20, 2009 July 27, 2010 May 3, 2011
Marketing Model Number MB950xx/A MC413xx/A MB952xx/A MB953xx/A MC508xx/A MC509xx/A MC510xx/A MC511xx/A MC309xx/A MC812xx/A MC813xx/A MC814xx/A
Model Number A1311 A1312 A1311 A1312 A1311 A1312
EMC Number 2308 2309 2374 2389 2390 2428 2429
Model ID iMac10,1 iMac11,1 iMac11,2 iMac11,3 iMac12,1 iMac12,2
Enclosure Aluminum and glass
Display 21.5", 1920 × 1080 27", 2560 × 1440 21.5", 1920 × 1080 27", 2560 × 1440 21.5", 1920 × 1080 27", 2560 × 1440
glossy glass-covered widescreen 16:9, LED backlighting and IPS technology
Processor 3.06 GHz (E7600) Intel Core 2 Duo with 3 MB on-chip L2 cache 2.66 GHz i5 (750) with 8 MB on-chip L3 cache 3.06 GHz i3 (540) with 4 MB on-chip L3 cache 3.2 GHz i3 (550) with 4 MB on-chip L3 cache 2.8 GHz i5 (760) with 8 MB on-chip L3 cache 2.5 GHz i5 (2400S) with 6 MB on-chip L3 cache 2.7 GHz i5 (2500S) with 6 MB on-chip L3 cache 3.1 GHz i5 (2400) with 6 MB on-chip L3 cache
Optional: 3.33 GHz (E8600) Core 2 Duo with 6 MB on-chip L2 cache Optional: 2.8 GHz i7 (860) Optional: 3.2 GHz i3 (550) or 3.6 GHz i5 (680) Optional: 3.6 GHz i5 (680) Optional: 2.93 GHz i7 (870) Optional: 2.8 GHz i7 (2600S) Optional: 3.4 GHz i7 (2600)
System bus
Front Side Bus Intel Direct Media Interface
1066 MHz
Optional: 1333 MHz with 3.33 GHz Core 2 Duo option
2.5 GT/s
Memory 4 GB (two 2 GB, two slots empty)
Optional: 16 GB
4 GB (two 2 GB, two slots empty)
Expandable to 32 GB[16] (16 GB supported by Apple)
1066 MHz PC3-8500 DDR3 SO-DIMM SDRAM 1333 MHz PC3-10600 DDR3 SO-DIMM SDRAM
Graphics nVidia GeForce 9400M with 256 MB shared memory ATI Radeon HD 4670 with 256 MB of GDDR3 SDRAM ATI Radeon HD 4850 with 512 MB of GDDR3 SDRAM ATI Radeon HD 4670 with 256 MB of GDDR3 SDRAM ATI Radeon HD 5670 with 512 MB of GDDR3 SDRAM ATI Radeon HD 5750 with 1 GB of GDDR5 SDRAM AMD Radeon HD 6750M with 512 MB of GDDR5 SDRAM AMD Radeon HD 6770M with 512 MB of GDDR5 SDRAM AMD Radeon HD 6970M with 1 GB of GDDR5 SDRAM
Optional: with 2 GB GDDR5 SDRAM
Hard drive 500 GB
Optional: 1 TB or 2 TB
1TB
Optional: 2 TB
500 GB
Optional: 1 TB or 2 TB
1TB
Optional: 2 TB
1TB
Optional: 2 TB and/or 256 GB SSD
500 GB 1 TB
Optional: 2 TB and/or 256 GB SSD
Serial ATA 7200 rpm
Optical drive 8x double-layer SuperDrive (DVD±R DL/DVD±RW/CD-RW)
Connectivity Internal AirPort Extreme 802.11a/b/g/n
Gigabit Ethernet
Built-in infrared (IR) receiver for Apple Remote
Bluetooth 2.1 + EDR
Peripherals
4x USB 2.0
1x Firewire 800
SD Card slot
Headphone/digital audio output
Audio line-in/digital audio input
Mini DisplayPort
Mini DisplayPort to VGA, DVI, HDMI and DisplayPort adapters available
4x USB 2.0
1x Firewire 800
SDXC Card slot
Headphone/digital audio output
Audio line-in/digital audio input
Mini DisplayPort
Mini DisplayPort to VGA, DVI, HDMI and DisplayPort adapters available
4x USB 2.0
1x Firewire 800
SDXC Card slot
Headphone/digital audio output
Audio line-in/digital audio input
1x Thunderbolt port (21.5")
2x Thunderbolt ports (27")
Mini DisplayPort to VGA, DVI, HDMI and DisplayPort adapters available
Camera iSight Camera (640 x 480 0.3 MP) FaceTime HD camera 720p (1280 x 720 0.9 MP)

Slim Unibody iMac[edit]

Side view of the Slim Unibody iMac

In October 2012, a new iMac model was introduced that featured a considerably smaller body depth than the previous models, measuring 5mm at its thinnest point. This was partly achieved by using a process called Full lamination. The display and glass are laminated together eliminating a 2 mm gap between them. The 21.5 in and 27 in screens remained at their previous resolutions, 1920×1080 and 2560×1440 respectively.

As with the 2009 model, memory has been upgraded; the standard specification is now 8 GB, with the 21.5 in model supporting up to 16 GB and the 27 in model supporting up to 32 GB. It was reported that the 21.5 in iMac would have non-replaceable soldered memory similar to the MacBook Air and Retina display MacBook Pro[17] though tear-downs show that it uses removable memory but accessing the modules requires ungluing the screen and removing the logic board.[18] The 27 in version features an access port to upgrade memory without disassembling the display.[19] Apple also upgraded the computers' processors, using Intel's Ivy Bridge microarchitecture-based Core i5 and Core i7 microprocessors.

Video cards are now Nvidia as standard. USB 3.0 ports are now included for the first time. The 2012 iMac also features the option of a Fusion Drive which combines an SSD and a conventional HDD to create more efficient and faster storage. Apple also removed the built-in optical drive starting with this iMac generation.

On March 5, 2013, Apple quietly announced an education-only version of the iMac, with less powerful specs for a cheaper price. It includes a 3.3 GHz dual-core Intel i3 processor, 4 GB of memory, a 500 GB hard drive and Intel HD Graphics 4000, retailing for US$1099, $200 cheaper than the base-level consumer iMac.[20]

On September 24, 2013, the 2012 iMac model was updated with 4th-generation Intel Haswell processors and Nvidia 7xx series GPU, promising up to 1.4x improvements in performance. It also has 802.11ac Wi-Fi, which is capable of reaching speeds up to 1300 Mbit/s and PCIe-based flash storage, offering up to 1.5x the performance of previous-generation (Ivy Bridge) iMacs. This applies to both the Fusion Drive and pure-SSD options.

Specifications of Slim Unibody iMacs from 2012—
Model Late 2012[21] Early 2013 (education only) Late 2013 Mid 2014
Release date November 30, 2012 January 2013[22] March 5, 2013 September 24, 2013 June 18, 2014
Marketing Model Number MD093xx/A MD094xx/A MD095xx/A MD096xx/A MD699LL/A ME086XX/A ME087XX/A ME088XX/A ME089XX/A MF883LL/A
Model Number A1418 A1419 A1418 A1418 A1419 A1418
EMC Number 2544 2546 2544 2638 2639
Model ID iMac13,1 iMac13,2 iMac13,1 iMac14,1 iMac14,2 iMac14,4
Enclosure Aluminum and glass
Display 21.5 in; 1920 × 1080 27 in; 2560 × 1440 21.5 in; 1920 × 1080 21.5 in; 1920 × 1080 27 in; 2560 × 1440 21.5 in; 1920 × 1080
Glossy glass-covered widescreen 16:9, LED backlighting and IPS technology
Processor 2.7 GHz (i5-3335S) Intel Core i5 with 6 MB on-chip L3 cache 2.9 GHz (i5-3470S) Intel Core i5 with 6 MB on-chip L3 cache 3.2 GHz (i5-3470) Intel Core i5 with 6 MB on-chip L3 cache 3.3 GHz (i3-3225) Intel Core i3 with 3 MB on-chip L3 cache 2.7 GHz (i5-4570R) Intel Core i5 with 4 MB on-chip L3 cache 2.9 GHz (i5-4570S) Intel Core i5 with 6 MB on-chip L3 cache 3.2 GHz (i5-4570) Intel Core i5 with 6 MB on-chip L3 cache 3.4 GHz (i5-4670) Intel Core i5 with 6 MB on-chip L3 cache 1.4 GHz (i5-4260U) Intel Core i5 with 3 MB shared L3 cache
N/A Optional: 3.1 GHz quad-core Intel Core i7 (i7-3770S) N/A Optional: 3.4 GHz quad-core Intel Core i7 with 8 MB on-chip L3 cache (i7-3770) N/A N/A Optional: 3.1 GHz quad-core Intel Core i7 with 8 MB on-chip L3 cache (i7-4770S) N/A Optional: 3.5 GHz quad-core Intel Core i7 with 8 MB on-chip L3 cache (i7-4771) N/A
System bus Intel Direct Media Interface
5 GT/s
Memory 8 GB (two 4 GB, not user-accessible)
Optional: 16 GB
8 GB (two 4 GB, two slots empty)
Optional: 16 GB and 32 GB
4 GB (two 2 GB, not user-accessible) 8 GB (two 4 GB, not user-accessible)
Optional: 16 GB
8 GB (two 4 GB, two slots empty)
Optional: 16 GB and 32 GB
8 GB (soldered on-board)
1600 MHz PC3-12800 DDR3 SO-DIMM SDRAM
Graphics Nvidia GeForce GT 640M with 512 MB of GDDR5 SDRAM Nvidia GeForce GT 650M with 512 MB of GDDR5 SDRAM Nvidia GeForce GTX 660M with 512 MB of GDDR5 SDRAM Nvidia GeForce GTX 675MX with 1 GB of GDDR5 SDRAM
Optional: Nvidia GeForce GTX 680MX with 2 GB of GDDR5 SDRAM
Intel HD Graphics 4000 Intel Iris Pro Graphics 5200 Nvidia GeForce GT 750M with 1 GB of GDDR5 SDRAM Nvidia GeForce GT 755M with 1 GB of GDDR5 SDRAM Nvidia GeForce GTX 775M with 2 GB of GDDR5 SDRAM
Optional: Nvidia GeForce GTX 780M with 4 GB of GDDR5 SDRAM
Intel HD Graphics 5000
Hard drive 1TB
Optional: 1 TB Fusion, 128 GB, 256 GB or 512 GB SSD
Fusion Drive initially only for high-end model, later added low-end model support[23][24]
1 TB
Optional: 3 TB HDD, 1 TB or 3 TB Fusion, 256 GB, 512 GB or 768 GB SSD
500 GB 1 TB
Optional: 1 TB Fusion, 256 GB or 512 GB SSD
1 TB
Optional: 3 TB HDD, 1 TB or 3 TB Fusion, 256 GB, 512 GB or 1 TB SSD
500 GB
Optional: 1 TB HDD, 1 TB Fusion, or 256 GB SSD
Serial ATA 5400 rpm Serial ATA 7200 rpm Serial ATA 5400 rpm Serial ATA 5400 rpm and PCI-e for SSD Serial ATA 7200 rpm and PCI-e for SSD Serial ATA 5400 rpm and PCI-e for SSD
Optical drive N/A
Connectivity Internal AirPort Extreme 802.11a/b/g/n
Gigabit Ethernet
Bluetooth 4.0
Internal AirPort Extreme 802.11a/b/g/n/ac
Gigabit Ethernet
Bluetooth 4.0
Peripherals
4x USB 3.0
SDXC Card slot
Headphone/digital audio output
2x Thunderbolt ports
Mini DisplayPort to VGA, DVI, HDMI and DisplayPort adapters available
Kensington Lock Slot
Camera FaceTime HD camera 720p (1280 × 720; 0.9 MP)

Timeline of iMac models

Power Mac G3 Intel iMac Intel iMac Intel iMac Intel iMac Intel iMac Intel iMac Intel iMac Intel iMac Intel iMac Intel iMac Intel iMac Intel iMac Intel iMac iMac G5 iMac G5 eMac iMac G4 iMac G4 iMac G4 iMac G3 iMac G3


See also[edit]

References[edit]

  1. ^ https://www.apple.com/imac/design/ - Retrieved December 2012
  2. ^ "Apple – iMac – Intel Core Duo". Apple Inc. Archived from the original on May 29, 2006. Retrieved March 1, 2007. 
  3. ^ AirPort Extreme performance page see footnote 2
  4. ^ "iMac (Early 2006) – Technical Specifications". Apple Inc. Retrieved October 22, 2009. 
  5. ^ "iMac (Mid 2006) – Technical Specifications". Apple Inc. Retrieved October 22, 2009. 
  6. ^ "iMac (Late 2006) – Technical Specifications". Apple Inc. Retrieved October 22, 2009. 
  7. ^ How to identify your iMac, Apple Inc., retrieved September 28, 2010 
  8. ^ a b Mac OS X keyboard shortcuts Apple.com; June 25, 2010
  9. ^ "iMac (Mid 2007) – Technical Specifications". Apple Inc. Retrieved October 22, 2009. 
  10. ^ "iMac (Early 2008) – Technical Specifications". Apple Inc. Retrieved October 22, 2009. 
  11. ^ "iMac (Early 2009) – Technical Specifications". Apple Inc. Retrieved October 22, 2009. 
  12. ^ iMac (Early 2009) – Technical Specifications, Apple Inc., retrieved January 24, 2012 
  13. ^ "iMac (21.5 and 27-inch, Late 2009) – Technical Specifications". Apple Inc. Retrieved October 22, 2009. 
  14. ^ "iMac (21.5 and 27-inch, Mid 2010) – Technical Specifications". Apple Inc. Retrieved July 27, 2010. 
  15. ^ "iMac (21.5 and 27-inch, Mid 2011) – Technical Specifications". Apple Inc. Retrieved November 7, 2011. 
  16. ^ "Can the Late 2009 27" iMac handle 32GB of RAM?". MacRumors. September 18, 2012. 
  17. ^ http://bgr.com/2012/10/24/apple-imac-non-upgradable-ram/
  18. ^ http://www.ifixit.com/Teardown/iMac+Intel+21.5-Inch+EMC+2544+Teardown/11936/2
  19. ^ http://www.cultofmac.com/204018/upgrading-ram-on-the-new-27-inch-imac-is-easy-heres-how/
  20. ^ Slivka, Eric (March 5, 2013). "Apple Launches $1099 21.5-Inch iMac With 3.3 GHz Dual-Core i3 Processor for Educational Institutions". Retrieved June 16, 2013. 
  21. ^ "iMac (21.5 and 27-inch, Late 2012) – Technical Specifications". Apple Inc. Retrieved December 2, 2012. 
  22. ^ "New 27-inch iMac orders won't ship until January | Macworld". Macworld. Retrieved January 15, 2013. 
  23. ^ "Fusion Drive Now Available as Option for Low End 21.5" iMac". MacRumors. January 5, 2013. 
  24. ^ "Apple Adds New 256 GB and 512 GB Flash Storage Options to iMac". MacRumors. May 2, 2013. 
Preceded by
iMac G5
iMac (Intel-based)
January 10, 2006
Succeeded by