The Apple iMac 21.5-inch Mid 2011 is a personal computer that was designed, manufactured, and sold by Apple from 2011 to 2012 as part of the iMac series. The computer has been introduced on May 3, 2011, and its price started at $1199.
The new iMac features a 2.5 GHz or 2.7 GHz Intel Core i5 processor or 2.8 GHz Intel Core i7 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, FaceTime HD camera, USB 2.0 ports, an SDXD card slot, and 512 MB AMD Radeon HD 6759M graphics in the base model.
This iMac has been discontinued on October 23, 2012.
Today iMac 21.5-inch Mid 2011 is 12 years old!
iMac 21.5-inch Mid 2011 Release Date and Original Price
| Introduced | May 3, 2011 |
| Discontinued | October 23, 2012 |
| Model Identifier | iMac12,1 |
| Model Number | A1311 |
| EMC | 2428 |
| Order Number | MC309LL/A MC812LL/A |
| Original Price | $1,199 $1,499 $1,699 |
| Colors | Aluminum |
| Weight | 20.5 Ibs. 9.298 KG |
| Dimensions | 17.75” H x 20.8” W x 7.42” D 45.08 cm H x 52.83 cm W x 18.84 cm D |
Tech Specs
Processor
| Processor | Intel Core i5 2400S “Sandy Bridge” (2.5 GHz) Intel Core i5 2500S “Sandy Bridge” (2.7 GHz) Intel Core i7 2600S “Sandy Bridge” (2.8 GHz) |
| Processor Speed | 2.5 GHz 2.7 GHz 2.8 GHz |
| Architecture | 64-bit |
| Number of Cores | 4 |
| System Bus | Intel Direct Media Interface (DMI) at 2.5 GT/s |
| Cache | 6 MB on-chip shared L3 (2.5 GHz and 2.7 GHz) 8 MB on-chip shared L3 (2.8 GHz) |
Storage & Media
| Storage | 500 GB HDD 1 TB HDD 2 TB HDD 256 GB SSD |
| Media | 1 – 8x DVD-R/CD-RW dual-layer “SuperDrive” slot-loading drive |
Memory
| Built-in Memory | 4 GB |
| Maximum Memory | 16 GB (Apple) 32 GB (Actual) |
| Memory Slots | 4 – PC3-10600 204-pin DDR3 SO-DIMM 1333 MHz |
| Interleaving Support | Yes |
Display
| Built-in Display | 21.5″ IPS LED-backlit TFT LCD glossy widescreen Display |
| Brightness | 330 cd/m² |
| Resolutions | 1920 x 1080 |
Graphics
| Graphics Card | AMD Radeon HD 6750M AMD Radeon HD 6770M |
| Graphics Memory | 512 MB GDDR5 SDRAM |
| Display Connection | 1 – Thunderbolt (Support for up to two Thunderbolt displays) |
| Display Modes | Dual display extended, video mirroring, AirPlay, and Target Display |
| External Resolution | Up to 2560 x 1600 pixels |
| Camera | FaceTime HD |
Expansion
| Expansion Slots | 1 – Secure Digital (SDXC) |
| Optical Drive Interface | 3 Gbps Serial ATA (SATA) |
| Hard Drive Interface | 2 – 6 Gbps Serial ATA (SATA) |
Connections
| Ethernet | 10/100/1000BASE-T (RJ-45) |
| Modem | None |
| Wi-Fi | AirPort Extreme Card 802.11a/b/g/n |
| Bluetooth | Bluetooth 2.1 + EDR |
| USB | 4 – 480 Mbps (USB 2.0) |
| FireWire | 1 – 800 Mbps |
| Thunderbolt | 1 – Thunderbolt 1 (Up to 10 Gbps) |
| Infrared | 1 – For Apple Remote only |
| Audio In | 1 – 3.5-mm analog/optical combo jack 1 – Built-in microphone |
| Audio Out | 1 – 3.5-mm analog/optical combo jack 2 – Internal 17 W amplifiers 2 – Built-in speakers |
| Display | 1 – Thunderbolt (Support for up to two Thunderbolt displays) |
Software
| Original OS | Mac OS X 10.6.6 |
| Later OS | Mac OS X 10.6.7 |
| Maximum OS | macOS 10.13.6 |
| Firmware | Intel Extensible Firmware Interface |
| AirDrop | Supported |
| Bundled Software | Mac OS X 10.6 iLife ’11 (includes iPhoto, iMovie, iDVD, iWeb, GarageBand) |
Keyboard and Mouse
| Peripherals | Apple Wireless Aluminum Keyboard Magic Mouse or Magic Trackpad |
Power
| Backup Battery | 3 V CR2032 Lithium |
| Maximum Continuous Power | 205 W |
| Line Voltage | 100-240 V AC |
References:
Apple Support – iMac (21.5-inch, Mid 2011): Technical Specifications
