Collection › iMac (21.5-inch, Mid 2011)
D305 · Apple Heritage Museum · Lugano
iMac (21.5-inch, Mid 2011)
2011 · iPhone era iMac
Introduced
2011
Original price
$ 1499
Processor
Intel Core i5 (I5-2400S) (Sandy Bridge)
Original OS
Mac OS X 10.6.1 (10A2155)
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2020
2026
Pre-Mac
Mac era
iMac era
iPod era
iPhone era
Silicon
Processor
ProcessorIntel Core i5 (I5-2400S) (Sandy Bridge)
Speed2.5 GHz
Cores4
Cache256k L2 per core, 6 MB shared L3
System busDMI (Direct Media Interface) 5 GT/s
Memory & graphics
Standard RAM4 GB (1333 MHz PC3-10600 DDR3 SDRAM)
Max RAM16 GB (officially; 32 GB per OWC)
RAM type1333 MHz PC3-10600 DDR3 SDRAM
Memory slots4
GPUAMD Radeon HD 6750M
VRAM512 MB GDDR5
Display21.5" glossy 16:9 LED-backlit TFT Active Matrix LCD with IPS technology
Resolutions1920x1080 native
Display connectionThunderbolt (Mini DisplayPort compatible), supports external display up to 30" (2560x1600)
Storage
Storage500 GB (7200 RPM) hard drive
InterfaceSerial ATA (3 Gb/s; 6 Gb/s after iMac EFI Update 1.6)
Connectivity
USB4x USB 2.0
Thunderbolt1x Thunderbolt (10 Gbps)
FireWireFireWire 800
EthernetGigabit Ethernet
Wi-FiAirPort Extreme (802.11a/b/g/n)
BluetoothBluetooth 2.1+EDR
Audio inAudio line in
Audio outAudio line out
SD cardSDXC card slot
Software
Original OSMac OS X 10.6.1 (10A2155)
Included peripheralsApple Wireless Keyboard, Magic Mouse or Magic Trackpad