Apple iMac “Intel i5″ 2.5 GHz 21.5” 2011 Specs

iMac – MC309LL/A – iMac12,1 – A1311

2011 imac

About this iMac

The Apple iMac a1311 was released in 2011. It is a 21.5-inch version powered by a 2.5 GHz Intel Core i5 processor. It had a built-in iSight video camera and a vertically-mounted slot-loading DL Super Drive. The FireWire ports were reduced from two to one single slot and there was an additional USB port. The design of the body was made to ensure there was seamless glass to the aluminum enclosure. This machine was a statement both on the exterior and interior.

Processor

2.5 GHz Core i5

Ram

4 GB

2011 imac
Storage

500 GBHard Drive

Battery Life

Plugged-in

Storage & Memory

The device was built with 500.0 GB Serial ATA (6Gb/s) hard drive storage with a disk speed of 7200 RPM.

Screen Size and Resolution

The iMac featured a 21.5 inch screen with “glossy” TFT active matrix LCD display and a native resolution of 1920×1080.

OS & Processor

The iMac had the Mac OS X 10.6.6 (10J4026) operating system pre-installed on it. It was powered by a 2.5 GHz Intel Corei5 (I5-2400S) processor. Its graphics processor was the AMD Radeon HD 6750M graphics with 512 MB of memory shared with the system.

Memory & Architecture

The device was built with a 6 MB on-chip level 3 cache with 4 GB of 1333 MHz PC3-10600 DDR3 its RAM. It’s designed was centered on a 64-Bit architecture.

Upgradability

Although the iMac came with 4 GB of RAM it could be upgraded to up to 32 GB of RAM.The Operating System of the iMac can also be upgraded from its pre-installed Mac OS X 10.6.6 (10J4026) to up to current MacOS X. This iMac was also able to run Windows XP SP2 (32-Bit) and more recently Windows 8.1 (64-Bit).
This iMac had the following dimensions of 45.1 cm, 52.8 cm, 18.85 cm and a weight of20.5 lbs. (9.3 kg).

Inclusive Features

The iMac includes the following features and ports:

  • A Power Adapter (100V-240V AC, 205 W maximum)
  • Standard AirPort Extreme (802.11a/b/g/n).
  • Gigabit Ethernet
  • One FireWire 800 port
  • 8X DL “Super Drive”
  • A Mini DisplayPort allowing dual and mirroring operations with resolutions of up to 2560×1600.
  • Built-in Stereo Speakers

Introduced: May 3, 2011

Discontinued: October 23, 2012

Screen Size and Resolution

Memory

Screen Size

21.5 inches TFT

Level 1 Cache

32k/32k

Resolution

1920×1080

Level 2/Level 3 Cache

256k (x 4), 6 MB

Processor

RAM Type

PC3-10600 DDR3

Processors

1 (2 Cores)

Min. RAM Speed

1333 MHz

Architecture

64-Bit

Standard RAM

4 GB

Speed

2.5 GHz

Maximum RAM

32 GB

Type

Core i5 (I5-2400S)

RAM Slots

4

Processor Upgrade

LGA 1155 (Socket H2)

Motherboard RAM

None

FPU

Integrated

Graphics

System Bus Speed

5 GT/s

Video Card

Radeon HD 6750M

Cache Bus Speed

2.5 GHz (Built-in)

VRAM Type

GDDR5

ROM/Firmware

EFI

Standard VRAM

512 MB

EFI Architecture

64-Bit

Maximum VRAM

512 MB

Storage

Inclusive Features and Ports

Standard Storage

500 GB HDD

Standard Optical Drive

8X DL “Super Drive”

Storage Speed

7200 RPM

Standard Ethernet

10/100/1000Base-T

Storage Dimensions

3.5″ (26.10 mm)/2.5″ (7 mm)

Standard Modem

None

Storage Interface

Serial ATA (6 Gb/s)

Standard Air Port

802.11a/b/g/n

Battery

Standard Bluetooth

2.1+EDR

Type

N/A

USB Port 2.0

4

Battery Life

N/A

FireWire Ports

1 (800)

Description

Keyboard

Apple Wireless Keyboard

Case Type

All-in-One

Inclusive Input

Magic Mouse/Trackpad

Form Factor

iMac (Late 2009)

S-Video Output

None

Apple Order No

MC309LL/A

Microphone

1 (Built-in)

Apple Subfamily

Mid-2011

Headphone

1

Apple Model Number

A1311 (EMC 2428)

Sound Out

1

Model ID

iMac 12.1

Power Adapter

1