Model Detail - iMac 21.5 inch 3.1 GHz Core i3-2100 (Late 2011)

The iMac "Core i3" 3.1GHz 21.5" Screen Aluminum model (Late 2011/Education Only) is is powered by a Dual Core 3.1GHz Intel "Core i3" I3-2100 Sandy Bridge processor with a 256k level 2 cache per core and a 3MB level 3 cache and 5 GT/s DMI "Direct Media Interface" between the processor and chipset.

The Base configuration of this model has 2GB of RAM DDR3-1333 (PC3-10600) SDRAM, a 250GB hard drive, a slot-loading DVD±R DL "SuperDrive" plus AMD Radeon HD 6750M graphics processor running 256MB of GDDR5 RAM, a "FaceTime HD" camera mounted above the 21.5" gloss 1920x1080 16:9 LED "IPS" display.

Ports and connectivity come via 4 USB 2.0 ports, 1 Firewire 800 port, built-in 802.11a/b/g/n Wi-Fi, 1 Gigabit Ethernet, 1 SDXC card slot, 1 Mini DisplayPort.

Download the manual from here.

Learn how to install Extra RAM here.

MAIN SPECS
Processor Speed 3.1GHz
First Build Date 08/08/2011
Last Build Date 03/05/2013
Built-in Display 21.5
Model Identifier iMac12,1
Apple Order Number MC978LL/A
Apple Model Number A1311 (EMC 2496)
Form Factor iMac (Late 2009)
Apple Subfamily Late 2011 (Edu)
EXPAND / UPGRADE
Standard RAM
Maximum RAM
16GB
RAM Slots2
RAM SpecsPC3-10600 DDR3-1333
RAM Speed1333MHz
Standard Storage Drive
250GB
Maximum Storage Drive
1.5TB
Storage Drive Interface Serial ATA (SATA) (6GB/s)
SYSTEM
Processor Type Core i3 (I3-2100)
Processors / Cores 1 (2 Cores)
Geekbench Rating 6665/7211
Turbo Boost Speed N/A
Custom Speeds N/A
Architecture 64-Bit
Processor Upgradeable LGA 1155 (Socket H2)
FPU Integrated
Integrated System RAM None
Standard RAM 2GB
Maximum RAM 16GB
RAM Slots 2
RAM Specs PC3-10600 DDR3-1333
RAM Speed 1333MHz
System Bus Speed 5 GT/s
Cache Bus Speed 3.1GHz (Built-in)
ROM / Firmware Type EFI
EFI Architecture 64-Bit
L1 Cache 32k/32k
L2 / L3 Cache 256k (x 2), 3MB
VIDEO / GRAPHICS
Video Card Radeon HD 6750M
VRAM Type GDDR5
Standard VRAM 256MB
Maximum VRAM 256MB
Native Resolution 1920x1080
Multi Display Support Dual/ Mirroring
Multi Display Max Resolution 2560x1600
STORAGE
Standard Storage Drive 250GB
Maximum Storage Drive 1.5TB
Storage Drive Interface Serial ATA (SATA) (6GB/s)
Optical Disk 8X DL
Floppy / Zip Drive None
Ports
AirPort 802.11a/b/g/n
Bluetooth None
Video / Multi-IO 1 (Mini DisplayPort w/ Audio)
Thunderbolt Ports / Spec None
USB Ports / Spec 4 (2.0)
Firewire Ports / Spec 1 (800)
Ethernet (RJ-45) 10/100/1000Base-T
Modem (RJ-11) None
Headphone 1
Microphone 1 (Built-in)
Audio In 1
Audio Out 1
Keyboard Apple Wireless Keyboard
Mouse / Trackpad Apple Mouse
Expansion Slots SDXC SD Card
Expansion Bays None
LEGACY PORTS
SCSI None
S-Video Input None
S-Video Output None
Floppy None
ADB None
Serial None
Geoport None
OPERATING SYSTEM
Pre-Installed MacOS OSX 10.7.2 (11C40)
Maximum MacOS Current
MacOS 9 Support None
Windows Support Boot/ Virtualization
Minimum Windows 7 (32-Bit)
Maximum Windows 7 (64-Bit)
POWER
Battery Type N/A
Battery Life N/A
Power Adapter None
PHYSICAL
Case Type All-in-One
Dimensions 17.75 x 20.8 x 7.42
Weight 20.5 lbs. (9.3 kg)
Original Price USD US$999
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