iMac 21.5-inch Late 2009 Datasheet

iMac 21.5-inch
Source: apple.com – iMac 21.5-inch

The Apple iMac 21.5-inch Late 2009 is a personal computer designed, manufactured, and sold by Apple from 2009 to 2010 as part of the iMac series. The computer was introduced on October 20, 2009, and its price started at $1,199.

The new iMac features a 3.06 GHz or 3.33 GHz Intel Core 2 Duo processor, 4 GB of RAM, 21.5-inch glossy LED-backlit IPS LCD Display, 500 GB or 1 TB hard drive, slot-loading 8x DVD-R/CD-RW dual-layer “SuperDrive”, Ambient Light Sensor, iSight camera, USB 2.0 ports, and 256 MB ATI Radeon HD 4670 graphics in the base model.

This iMac has been discontinued on July 27, 2010. Today iMac 21.5-inch Late 2009 is 14 years old!

iMac 21.5-inch Late 2009 Details

IntroducedOctober 20, 2009 – 14 years ago
DiscontinuedJuly 27, 2010 – 13 years ago
Last Software UpdateNovember 12, 2020 – 3 years ago
Time on the Market280 days (9 months)
Time of Support11 years
Model IdentifieriMac10,1
Model NumberA1311
Order NumberMB950LL/A
Original Price$1,199
Weight20.5 Ibs.
9.298 KG
Dimensions17.75” H x 20.8” W x 7.42” D
45.08 cm H x 52.83 cm W x 18.84 cm D

iMac 21.5-inch Tech Specs


ProcessorIntel Core 2 Duo E7600 “Wolfdale” (3.06 GHz)
Intel Core 2 Duo E8600 “Wolfdale” (3.33 GHz)
Processor Speed3.06 GHz
3.33 GHz
Number of Cores2
System Bus1066 MHz
Cache3 MB shared L2 (3.06 GHz)
6 MB shared L2 (3.33 GHz)

Storage & Media

Storage500 GB
1 TB
2 TB
Media1 – 8x DVD-R/CD-RW dual-layer “SuperDrive” slot-loading drive


Built-in Memory4 GB
Maximum Memory16 GB
Memory Slots4 – PC3-8500 204-pin DDR3 SO-DIMM 1066 MHz
Interleaving SupportYes


Built-in Display21.5″ IPS LED-backlit TFT LCD glossy widescreen Display
Brightness320 cd/m²
Resolutions1920 x 1080


Graphics CardNVIDIA GeForce 9400M
ATI Radeon HD 4670
Graphics Memory256 MB GDDR3 SDRAM shared with main memory (NVIDIA GeForce 9400M)
256 MB GDDR3 SDRAM (ATI Radeon HD 4670)
Display Connection1 – Mini DisplayPort (VGA, DVI, or dual-link DVI with adapter)
Display ModesDual display extended and video mirroring
External ResolutionUp to 2560 x 1600 pixels


Expansion Slots1 – Secure Digital (SD)
Optical Drive InterfaceUnknown
Hard Drive Interface3 Gbps Serial ATA (SATA)


Ethernet10/100/1000BASE-T (RJ-45)
Wi-FiAirPort Extreme Card 802.11a/b/g/n
BluetoothBluetooth 2.1 + EDR
USB4 – 480 Mbps (USB 2.0)
FireWire1 – 800 Mbps
Infrared1 – For Apple Remote only
Audio In1 – 3.5-mm analog/optical combo jack
1 – Built-in microphone
Audio Out1 – 3.5-mm analog/optical combo jack
2 – Internal 17 W amplifiers
2 – Built-in speakers
Display1 – Mini DisplayPort (VGA, DVI, or dual-link DVI with adapter)

Keyboard and Mouse

PeripheralsApple Wireless Aluminum Keyboard
Magic Mouse


Original OSMac OS X 10.6.1
Later OSMac OS X 10.6.2
Maximum OSmacOS 10.13.6
FirmwareIntel Extensible Firmware Interface
Bundled SoftwareMac OS X 10.6
iLife ’09 (includes iPhoto, iMovie, iDVD, iWeb, GarageBand)


Backup Battery3 V CR2032 Lithium
Maximum Continuous Power241 W
Line Voltage100-240 V AC

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Disclaimer: The data presented in this article is under continuous development and has been manually collected from various sources based on their availability. The author of this article may revise this dataset as additional research is conducted and reviewed. Please note that the information is provided “as is” and “as available” without express or implied warranties. The author cannot be held responsible for any omissions, inaccuracies, or errors in the published information. Any warranties relating to this information are hereby disclaimed.