A1311-2428
Introduction Date: May 3, 2011 Discontinued Date: October 23, 2012
Processors: 1 (4 Cores) Architecture: 64-Bit
Processor Speed: 2.5 GHz Processor Type: Core i5 (I5-2400S)
Turbo Boost: 3.3 GHz
Processor Upgrade: LGA 1155 (Socket H2)* FPU: Integrated
System Bus Speed: 5 GT/s* Cache Bus Speed: 2.5 GHz (Built-in)
ROM/Firmware Type: EFI EFI Architecture: 64-Bit
L1 Cache: 32k/32k L2/L3 Cache: 256k (x 4), 6 MB
RAM Type: PC3-10600 DDR3 Min. RAM Speed: 1333 MHz
Standard RAM: 8 GB Maximum RAM: 32 GB
RAM Slots: 4
Video Card: Radeon HD 6750M VRAM Type: GDDR5
Standard VRAM: 512 MB Maximum VRAM: 512 MB
Built-in Display: 21.5" 16:9 Widescreen Native Resolution: 1920x1080
2nd Display Support: Dual/Mirroring 2nd Max. Resolution: 2560x1600
Standard Storage: 500 GB HDD Std. Storage Speed: 7200 RPM
Storage Dimensions: 3.5" (26.10 mm)/2.5" (7 mm) Storage Interface: Serial ATA (6 Gb/s*)
Standard Optical: 8X DL "SuperDrive"
Standard Ethernet: 10/100/1000Base-T
Standard AirPort: 802.11a/b/g/n (450 Mbit*) Standard Bluetooth: 2.1+EDR
USB Ports: 4 (2.0) Firewire Ports: 1 (800)
Expansion Slots: SDXC SD Card
Case Type: All-in-One Form Factor: iMac (Late 2009)
Apple Order No: MC309LL/A Apple Subfamily: Mid-2011
Apple Model No: A1311 (EMC 2428) Model ID: iMac12,1
Dimensions: 17.75 x 20.8 x 7.42 Avg. Weight: 20.5 lbs. (9.3 kg)