iMac(27-inch, Mid 2011)
The ultimate all-in-one goes all out.
Background
Introduced in May 2011, the iMac (Mid 2011) models improved on the previous iMac (Mid 2010) line, adding quad-core processors across the line. The iMac (Mid 2011) were also the first desktop Macs to include the new high-speed Thunderbolt I/O port. The iMac (Mid 2011 ) shipped in four configurations: 21.5"/2.5 GHz/4 GB RAM/500 GB HD/512 VRAM/$1199 U.S., 21.5"/2.7 GHz/4 GB RAM/1 TB HD/512 MB VRAM/$1499 U.S., 27"/2.7 GHz/4 GB RAM/1 TB HD/512 MB VRAM/$1699 U.S., 27"/3.1 GHz/4 GB RAM/1 TB HD/1 GB VRAM/$1999 U.S. Built-to-order options included up to 16 GB of RAM, 2.8 GHz or 3.4 GHz quad-core Core i7 processors, a 2 TB hard drive, a 256 GB SSD, and 2GB of VRAM.
Source: apple-history
Key Specs
Display27" LED-backlit widescreen TFT LCD (Glossy)
Chipi5-2400S / i5-2500S / i7-2600
Memory4GB / 8GB / 16GB / 32GB
Storage1TB / 2TB / 256GB
Battery-
Weight13.8kg
Full Specifications
Basic Info
Release Date2011.05
OS SupportOS X 10.6 ~ macOS 10.13
Chip & Storage
Chipi5-2400S（Quad-Core） / i5-2500S（Quad-Core） / i7-2600（Quad-Core）
Memory4GB / 8GB / 16GB / 32GB
Storage1TB / 2TB / 256GB
Security Chip/
Display
Screen Size27"
Screen TypeLED-backlit widescreen TFT LCD (Glossy)
Resolution2560 × 1440
PPI109
Camera & Audio
CameraBuilt-in FaceTime HD camera
Connectivity & Expansion
Wi-Fi802.11n Wi-Fi (AirPort Extreme)
BluetoothBluetooth 2.1 + EDR
Power310W
Body & Dimensions
Width65 mm
Height51.7 mm
Thickness20.7 mm
Weight13.8kg
Color
Available Colors
Model Identifier
Model IDiMac12,2
Mold ModelA1312