The iMac Core 2 Duo / 3.06 with 21.5” screen introduced in late 2009 the all-in-one desktop computer in an all-aluminum unibody casing behind the 21.5” LED-backlit IPS screen, covered by an edge-to-edge front glass and mounted on an aluminum stand with a slightly tapered foot and an adjusting hinge. The “Core 2 Duo” 3.06 21.5” (late 2009) features a 3.06 GHz Intel “Core 2 Duo” processor (E7600), with two independent processor “cores” on a single silicon chip, 4 GB of RAM, a 500 GB or 1TB Serial ATA hard drive (7200 RPM), a slot-loading DVD+R DL “Super Drive”, NVIDIA GeForce 9400M graphics with 256 MB of memory shared with the system, or ATI Radeon HD 4670 graphics with 256 MB of shared memory, a built-in iSight webcam and stereo speakers, as well as a Firewire “800” and 4 USB 2.0 ports. It also has built-in draft and enabled AirPort Extreme (802.11g) and Bluetooth 2.1+EDR, Gigabit Ethernet and Mini DisplayPort capable of supporting a second display. The cooling system is CPU controlled and the in-built speakers are mounted beneath the 21.5” screen for the sound to bounce off the desk or other surface. The speakers’ grills also work as the vent ones. The iMac “Core 2 Duo” 3.06 21.5” (late 2009) is shipped with a compact aluminum Apple Wireless Keyboard and a new multi-touch “Magic Mouse”, an aluminum remote control is optional and available for an extra cost.
iMac Core 2 Duo / 3.06 21.5-Inch (Late 2009)
Introduced on: October 20, 2009.
- Codename: Intel Mac Unibody.
- Processor Speed: 3.06 GHz.
- Processor Architecture: 64-bit.
- Processor type: Core 2 Duo (E7600) “Wolfdale-3M”.
- Processor upgrade: ZIF Socket.
- Cores: 2.
- On-Board Ram: 4 GB, DDR3 1066 MHz (one 2GB module per slot, two slots free).
- Max. Ram: 16 GB.
- Video: 21.5″ LED-backlit TFT active matrix LCD, 16:9 widescreen, 1920 x 1080 pixels max resolution, viewing angle: 178° horizontal and 178° degrees vertical.
- Webcam: iSight Camera, 0.3 MP, 640 x 480 resolution.
- Graphics: NVIDIA GeForce 9400M graphics with 256 MB of memory shared with the system / ATI Radeon HD 4670 graphics with 256 MB of shared memory.
- Storage: 500 GB, 1 TB, 7200-rpm Ultra ATA-66 hard drives.
- Input\Output: 4x USB 2.0, 1 Firewire 800, built-in microphone, built-in speakers, audio out, audio input/output, iSight webcam.
- Optical drive: 8X DVD+R DL “Super Drive”.
- Card reader: SD card.
- Internet \ Wireless connection: Integrated Airport Extreme 802.11 a/b/g/n, Gigabit Ethernet Optional 56k V.92 USB modem, Bluetooth 2.1+EDR, built-in infrared (IR) receiver for Apple Remote.
- Preinstalled OS: X 10.6.1 (10A2155).
- OS max. upgrade: current.
- Dimensions: 17.75 x 20.8 x 7.42 inch.
- Weight: 20.5 lb.
Apple Orders, Discontinuation, Price.
Apple Model No: A1311 (EMC 2308).
Apple Order number: MB950LL/A – NVIDIA GeForce 9400M graphics processor with shared memory aboard; MC413LL/A – ATI Radeon HD 4670 graphics processor with shared memory aboard.
Discontinued: July 27, 2010.
Price: $1199 (Nvidia card aboard); $1499 (ATI Radeon card aboard).
- October 2009 brought marked changes to the iMac exterior and hardware. No more borders around displays and plastic backs: the iMac had got a seemless all-aluminum casing and an edge-to-edge glass at the front. The screen, now LED-backlit, got a 16:9 aspect ratio with either 21.5″ or 27″ diagonals, while the 20″ and 24″ screens with a 16:10 aspect ratio had been completely dropped from the line-up.
- The standard onboard Nvidia video card was installed in the entry-level model, while all the other models switched for AMD as the only option. As for the iMac’s processors, Apple opted for overclocking high-performance processors of the new Intel family.
- Processing video on larger screens demanded more RAM and Apple also doubled the number of memory slots from two to four.
- The maximum memory capacity was doubled up to 16 GB, and for Intel Core i-series (27-inch), quadrupled up to 32 GB.
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