iMac13,3

iMac (21.5-inch, Early 2013)iMac2013EFI 64-bitno security chip

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iMac13,3 Early 2013 0 of 1 configuration tested Cards Matrix

iMac (21.5-inch, Early 2013)

announced 2013-03-05 · discontinued 2014-06-18 · A1418 · EMC 2545

Early 2013 Dual-core Core i3 3.3 GHz · HD Graphics 4000 (education) Untested0/22 tested

Boot0/3 passed

Stock installer boots via 64-bit EFIUntested
Internal storage detected and installation completesUntested
Installed system starts, restarts and shuts down cleanlyUntested

Graphics0/2 passed

Integrated GPU accelerationUntested
External display outputUntested back-7back-8

Display0/2 passed

Internal display at native resolutionUntested
Display brightness controlUntested

Power0/1 passed

Sleep and wakeUntested

Audio0/5 passed

Built-in speakersUntested
Built-in microphoneUntested
Headphone / analog audio outputUntested back-1
Optical digital audio outputUntested back-1
Audio over HDMI / DisplayPortUntested

Camera0/1 passed

Built-in webcamUntested

Networking0/3 passed

Wi-FiUntested
BluetoothUntested
EthernetUntested back-9

Ports0/3 passed

USB-A portsUntested back-3back-4back-5back-6
Thunderbolt devices (storage, docks, hotplug)Untested back-7back-8
SD card readerUntested back-2
Port methodology

Thermal0/2 passed

Temperature sensors report under loadUntested
Fans respond to loadUntested

Hardware Configuration Detailsimac13-3-21-early-2013-a

CPU: Core i3-3225 3.3 GHz (Ivy Bridge)
Memory: 4 GB DDR3-1600 SO-DIMM · max 16 GB
Storage: 500 GB HDD · SATA
Display: 21.5" 1920×1080 · LED IPS
Graphics: Intel HD Graphics 4000 · OpenGL ES 3.0
pci:8086:0166 · pci:8086:0162
Wi-Fi: Broadcom BCM4331 802.11a/b/g/n
pci:14e4:4331
Bluetooth: Apple Bluetooth 4.0 (USB 05ac:828b)
usb:05ac:828b
Audio codec: Cirrus Logic CS4206
Camera: Apple FaceTime HD camera (USB 05ac:8511)
usb:05ac:8511
Ethernet: Broadcom NetXtreme BCM57766 Gigabit Ethernet
pci:14e4:1686
Storage controller: Intel 7 Series SATA controller
pci:8086:1e03 · pci:8086:1e02
Thunderbolt controller: Intel DSL3510 "Cactus Ridge" Thunderbolt controller
pci:8086:1547
SD card reader: Broadcom BCM57765 SDXC card reader
pci:14e4:16bc
Ports: Headphone / line out (analog) · Optical digital audio out · Gigabit Ethernet · SD card slot · 2× Thunderbolt 1 · 4× USB 3 (Type-A)
Port layout: Download drawing (SVG)

Port methodology

Back:1back-1 Headphone / line out (analog) + Optical digital audio out2back-2 SD card slot3back-3 USB 3 (Type-A)4back-4 USB 3 (Type-A)5back-5 USB 3 (Type-A)6back-6 USB 3 (Type-A)7back-7 Thunderbolt 18back-8 Thunderbolt 19back-9 Gigabit Ethernet
Numbered left to right as you face each side (top to bottom on a Mac Pro). Source: Apple manual
Features: Built-in display · Built-in speaker(s) · Built-in microphone · Cooling fan · Audio over Mini DisplayPort / Thunderbolt
Order no.: ME699LL/A

Research notes (unverified)

Thin redesign: no optical drive, IR receiver, FireWire or audio line-in. Audio is a Cirrus Logic CS4206 codec on every observed machine.
EveryMac files ME699LL/A under iMac13,1, but OpenCore and every observed machine report iMac13,3 with Intel HD 4000 graphics.

Sources (3) and identifiers

Board IDs: Mac-7DF2A3B5E5D671ED