iMac19,2

iMac (Retina 4K, 21.5-inch, 2019)iMac2019EFI 64-bitno security chip

Is this your Mac? Identify your configuration →

iMac19,2 Pro 450 / 455 / 460 / 555 / 560 / 555X / 560X Pro Vega 20 0 of 2 configurations tested Cards Matrix

iMac (Retina 4K, 21.5-inch, 2019)

announced 2019-03-19 · discontinued 2021-04-20 · A2116 · EMC 3195

Pro 450 / 455 / 460 / 555 / 560 / 555X / 560X Quad-core Core i3 3.6 GHz, 6-core Core i5 3.0 GHz or i7 3.2 GHz · Radeon Pro 555X / 560X 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

Discrete 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

Audio0/4 passed

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

Camera0/1 passed

Built-in webcamUntested

Networking0/3 passed

Wi-FiUntested
BluetoothUntested
EthernetUntested back-9

Ports0/4 passed

USB-A portsUntested back-3back-4back-5back-6
USB-C / Thunderbolt 3 ports (USB data)Untested back-7back-8
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 Detailsimac19-2-4k-2019-a

CPU: Core i3-8100 3.6 GHz · 4-core; Core i5-8500 3 GHz · 6-core
BTO: Core i7-8700 3.2 GHz · 6-core (Coffee Lake)
Memory: 8 GB DDR4-2400 SO-DIMM · max 32 GB
Storage: 1 TB HDD / 1 TB Fusion Drive · SATA · BTO 256 GB SSD, 512 GB SSD, 1 TB SSD
Display: 21.5" 4096×2304 · Retina 4K LED IPS
Graphics: AMD Radeon Pro 450 / 455 / 460 / 555 / 560 / 555X / 560X (Polaris 11) · OpenGL ES 3.2
pci:1002:67ef
Wi-Fi: Broadcom BCM4364 802.11ac
pci:14e4:4464
Bluetooth: Broadcom BCM4364 Bluetooth 5.0 ?
Audio codec: Cirrus Logic CS8409 (with CS42L42)
Camera: Apple FaceTime HD camera (USB 05ac:8511)
usb:05ac:8511
Ethernet: Broadcom NetXtreme BCM57766 Gigabit Ethernet
pci:14e4:1686
Storage controller: Intel Cannon Lake SATA controller
pci:8086:a352
Storage controller: Apple SSD (Samsung NVMe) BTO
pci:144d:a804 · pci:144d:a806
Thunderbolt controller: Intel JHL7540 "Titan Ridge" Thunderbolt 3 controller
pci:8086:15eb · pci:8086:15ea · pci:8086:15ec
SD card reader: Broadcom BCM57765 SDXC card reader
pci:14e4:16bc
Ports: Headphone / line out (analog) · Gigabit Ethernet · SD card slot · 2× Thunderbolt 3 (USB-C) · 4× USB 3 (Type-A)
Port layout: Download drawing (SVG)

Port methodology

Back:1back-1 Headphone / line out (analog)2back-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 3 (USB-C)8back-8 Thunderbolt 3 (USB-C)9back-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.: MRT32LL/A · MRT42LL/A · MHK23LL/A

Pro Vega 20 6-core · Radeon Pro Vega 20 (build to order) build to order 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

Discrete 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

Audio0/4 passed

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

Camera0/1 passed

Built-in webcamUntested

Networking0/3 passed

Wi-FiUntested
BluetoothUntested
EthernetUntested back-9

Ports0/4 passed

USB-A portsUntested back-3back-4back-5back-6
USB-C / Thunderbolt 3 ports (USB data)Untested back-7back-8
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 Detailsimac19-2-4k-2019-vega20

CPU: Core i5-8500 3 GHz · 6-core; Core i7-8700 3.2 GHz · 6-core (Coffee Lake)
Memory: 8 GB DDR4-2666 SO-DIMM · max 32 GB
Storage: 1 TB Fusion Drive · SATA · BTO 256 GB SSD, 512 GB SSD, 1 TB SSD
Display: 21.5" 4096×2304 · Retina 4K LED IPS
Graphics: AMD Radeon Pro Vega 20 · OpenGL ES 3.2
pci:1002:69af
Wi-Fi: Broadcom BCM4364 802.11ac
pci:14e4:4464
Bluetooth: Broadcom BCM4364 Bluetooth 5.0 ?
Audio codec: Cirrus Logic CS8409 (with CS42L42)
Camera: Apple FaceTime HD camera (USB 05ac:8511)
usb:05ac:8511
Ethernet: Broadcom NetXtreme BCM57766 Gigabit Ethernet
pci:14e4:1686
Storage controller: Intel Cannon Lake SATA controller
pci:8086:a352
Storage controller: Apple SSD (Samsung NVMe) BTO
pci:144d:a804 · pci:144d:a806
Thunderbolt controller: Intel JHL7540 "Titan Ridge" Thunderbolt 3 controller
pci:8086:15eb · pci:8086:15ea · pci:8086:15ec
SD card reader: Broadcom BCM57765 SDXC card reader
pci:14e4:16bc
Ports: Headphone / line out (analog) · Gigabit Ethernet · SD card slot · 2× Thunderbolt 3 (USB-C) · 4× USB 3 (Type-A)
Port layout: Download drawing (SVG)

Port methodology

Back:1back-1 Headphone / line out (analog)2back-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 3 (USB-C)8back-8 Thunderbolt 3 (USB-C)9back-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

Research notes (unverified)

Audio is a Cirrus Logic CS8409 codec; on many observed machines Linux fell back to the generic HDA parser, so audio needs attention in testing.
No T2 chip, but the Wi-Fi/Bluetooth is the same BCM4364 used in T2 Macs.

Sources (7) and identifiers

Board IDs: Mac-63001698E7A34814