3.3 GHz dual-core Core i3 confirmed by the US maker education price list and contemporary Apple-store coverage. A conflicting New York state price-list row says 3.1 GHz; the corroborated US maker row is used. Exact secondary EveryMac identifies i3-3225, but the chip record retains the maker clock name.
GPU
Intel HD Graphics 4000, sharing system memory; maker price list confirms the graphics model.
Memory type
4 GB in two 2 GB modules confirmed by the maker price list; 1600 MHz DDR3 and internal-only memory access according to EveryMac. Secondary reports of higher memory options are not expanded into an unverified factory matrix.
Storage type
500 GB hard drive confirmed by the maker price list; EveryMac specifies 5400 rpm Serial ATA. No built-in optical drive. Unspecified alternative storage capacities are omitted.
Display
Screen size
21.5″
Resolution
1920 × 1080
Panel
IPS LCD
Display type
EveryMac specifies an IPS LED-backlit display with laminated cover glass and antireflective coating. No retained exact maker technical sheet was found; panel technology comes from this named exact-model secondary source. Brightness and refresh rate are unpublished.
According to EveryMac: four USB 3 ports, two first-generation Thunderbolt ports, SDXC card slot, Gigabit Ethernet and headphone/optical digital output with iPhone headset microphone support.
Speakers
Built-in stereo speakers and dual microphones, according to EveryMac.
Keyboard and mouse
Wired Apple Keyboard with Numeric Keypad and traditional Apple Mouse, according to EveryMac.
Design and power
Type
All-in-one
Operating system
macOS
In the box
Education-only model confirmed by Apple documentation. Maker price list confirms the stock 3.3 GHz/4 GB/500 GB configuration; other detailed figures come from the named exact-model EveryMac source. March 2013 month precision follows contemporary Apple-store coverage and maker pricing; initial orders quoted 5–7 business days, not confirmed delivery on 5 March.
