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

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

The iMac (Retina 4K, 21.5-inch, 2019) is an all-in-one desktop that Apple introduced on 19 March 2019 and sold until April 2021. It has a 21.5-inch display at 4096×2304. It came in 5 configurations, with a 3.0 GHz, 3.2 GHz or 3.6 GHz Core i3, Core i5 or Core i7 processor and 8 GB of memory.

Model number
A2116
Model identifier
iMac19,2
EMC number
3195
Released
2019
Support status
Supported
Order numbers
MRT32LL/A, MHK23LL/A, MRT42LL/A, MHK33LL/A

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5 configurations

Choose a configuration to see its processor, memory, graphics and storage.

Configuration Order number Cores Graphics Original price
3.6 GHz Core i3, 8 GB MRT32LL/A 4 AMD Radeon Pro 555X US$1,299
3.6 GHz Core i3 MHK23LL/A 4 AMD Radeon Pro 555X
3.0 GHz Core i5, 8 GB MRT42LL/A 6 AMD Radeon Pro 560X US$1,499
3.0 GHz Core i5 MHK33LL/A AMD Radeon Pro 560X
3.2 GHz Core i7 BTO

3.6 GHz Core i3, 8 GB

Overview

Variant
Retina 4K
Order number
MRT32LL/A
Model identifier
iMac19,2
EMC number
3195
Introduced
19 March 2019
Discontinued
20 April 2021
Original price
US$1,299
Weight
12.5 lb

Processor

Processor
Core i3
Part number
i3-8100
Speed
3.6 GHz
Turbo Boost
None
Cores
4
Processors
1
System bus
8 GT/s
Socket
LGA 1151 (Socket H4)
L1 cache
32 KB/32 KB ×4
L2/L3 cache
256 KB ×4, 6 MB
FPU
Integrated

Memory

Standard
8 GB
Maximum
32 GB
Built in
None
Slots
2
Type
PC4-19200 DDR4
Minimum speed
2400 MHz

Graphics

Graphics
AMD Radeon Pro 555X
Graphics memory type
GDDR5
Video memory
2 GB
Maximum video memory
2 GB
External displays
Dual/Mirroring
Largest external display
3840×2160 ×2
Video out
Thunderbolt 3/USB-C (×2)

Storage

Drive speed
5400 RPM
Drive size
2.5" (7 mm), Proprietary

Optical

Optical drive
None

Wireless and expansion

Wi-Fi
802.11ac
Bluetooth
4.2
Expansion bays
None

In the box

Operating system at launch
macOS 10.14.4 (18E2034)
Keyboard
Magic Keyboard
Mouse or trackpad
Magic Mouse 2

3.6 GHz Core i3

Overview

Variant
Retina 4K
Order number
MHK23LL/A
Model identifier
iMac19,2
EMC number
3195
Introduced
19 March 2019
Discontinued
20 April 2021
Weight
12.3 lb

Processor

Processor
Core i3
Part number
i3-8100
Speed
3.6 GHz
Cores
4
Processors
1
Socket
LGA 1151 (Socket H4)
FPU
Integrated

Graphics

Graphics
AMD Radeon Pro 555X
Graphics memory type
GDDR5
Video memory
4 GB

Storage

Drive size
2.5" (7 mm), Proprietary

Wireless and expansion

Wi-Fi
802.11ac
Bluetooth
4.2

3.0 GHz Core i5, 8 GB

Overview

Variant
Retina 4K
Order number
MRT42LL/A
Model identifier
iMac19,2
EMC number
3195
Introduced
19 March 2019
Discontinued
20 April 2021
Original price
US$1,499
Weight
12.5 lb

Processor

Processor
Core i5
Part number
i5-8500
Speed
3.0 GHz
Turbo Boost
4.1 GHz
Cores
6
Processors
1
System bus
8 GT/s
Socket
LGA 1151 (Socket H4)
L1 cache
32 KB/32 KB ×6
L2/L3 cache
256 KB ×6, 9 MB
FPU
Integrated

Memory

Standard
8 GB
Maximum
32 GB
Built in
None
Slots
2
Minimum speed
2666 MHz

Graphics

Graphics
AMD Radeon Pro 560X
Graphics memory type
GDDR5
Video memory
4 GB
Maximum video memory
4 GB
External displays
Dual/Mirroring
Largest external display
3840×2160 ×2
Video out
Thunderbolt 3/USB-C (×2)

Storage

Drive size
2.5" (7 mm), Proprietary

Optical

Optical drive
None

Wireless and expansion

Wi-Fi
802.11ac
Bluetooth
4.2
Expansion bays
None

In the box

Operating system at launch
macOS 10.14.4 (18E2034)
Keyboard
Magic Keyboard
Mouse or trackpad
Magic Mouse 2

3.0 GHz Core i5

Overview

Variant
Retina 4K
Order number
MHK33LL/A
Model identifier
iMac19,2
EMC number
3195
Introduced
19 March 2019
Discontinued
20 April 2021
Weight
12.3 lb

Processor

Processor
Core i5
Part number
i5-8500
Speed
3.0 GHz
Processors
1
Socket
LGA 1151 (Socket H4)
FPU
Integrated

Graphics

Graphics
AMD Radeon Pro 560X
Graphics memory type
GDDR5

Storage

Drive size
2.5" (7 mm), Proprietary

Wireless and expansion

Wi-Fi
802.11ac
Bluetooth
4.2

3.2 GHz Core i7

Overview

Variant
Retina 4K
Order number
BTO
Model identifier
iMac19,2
EMC number
3195
Introduced
19 March 2019
Discontinued
20 April 2021
Weight
12.3 lb

Processor

Processor
Core i7
Part number
i7-8700
Speed
3.2 GHz
Processors
1
Socket
LGA 1151 (Socket H4)
FPU
Integrated

Graphics

Graphics memory type
GDDR5

Storage

Drive size
2.5" (7 mm), Proprietary

Wireless and expansion

Wi-Fi
802.11ac
Bluetooth
4.2

Shared by every configuration

Display

Screen size
21.5-inch
Viewable size
21.5-inch
Aspect ratio
16:9 Widescreen
Resolution
4096×2304

Ports

FireWire
None
Mini DisplayPort
None
Security slot
Yes

Networking

Ethernet
10/100/1000Base-T (RJ-45)
Modem
None

Audio

Microphone
1 (Built-in)
Headphone jacks
1

Storage

Supported host controllers
AHCI, NVMe

Battery and power

Power supply
Built in
Power adapter
None

Physical

Form factor
All-in-One

Platform

Architecture
64-Bit
Firmware
EFI

Software

Latest macOS
macOS 15.x
Mac OS 9
None
Windows
Boot/Virtualization
Earliest Windows
10 (64-Bit)
Latest Windows
10 (64-Bit)

Specs from Beetstech's device records. Something wrong? Tell us.