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

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

Compared with the iMac (Retina 4K, 21.5-inch, Mid 2017), this model has 8th-generation Coffee Lake processors, a quad-core Core i3 or a 6-core Core i5. A 6-core Core i7 was a build-to-order option. Graphics moved to the AMD Radeon Pro 555X or 560X, with a Radeon Pro Vega 20 option. The case, display and ports did not change.

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 one to see its specs.

Configuration Order number Cores Graphics Original price
3.6 GHz Core i3, 8 GB, 1 TB HDD MRT32LL/A 4 AMD Radeon Pro 555X US$1,299
3.6 GHz Core i3, 256 GB SSD MHK23LL/A 4 AMD Radeon Pro 555X
3.0 GHz Core i5, 8 GB, 1 TB (Fusion) MRT42LL/A 6 AMD Radeon Pro 560X US$1,499
3.0 GHz Core i5, 256 GB SSD MHK33LL/A 6 AMD Radeon Pro 560X
3.2 GHz Core i7, 8 GB BTO 6

Specs

Choose one in the table

Changes with the configuration

Overview

Variant
Retina 4K
Order number, changes with the configuration
MRT32LL/A
MHK23LL/A
MRT42LL/A
MHK33LL/A
BTO
Model identifier
iMac19,2
EMC number
3195
Color
Silver
Introduced
19 March 2019
Discontinued
20 April 2021
Original price, changes with the configuration
US$1,299
— Not on this configuration
US$1,499
— Not on this configuration
— Not on this configuration

Processor

Processor, changes with the configuration
Core i3
Core i3
Core i5
Core i5
Core i7
Part number, changes with the configuration
i3-8100
i3-8100
i5-8500
i5-8500
i7-8700
Speed, changes with the configuration
3.6 GHz
3.6 GHz
3.0 GHz
3.0 GHz
3.2 GHz
Turbo Boost, changes with the configuration
None
None
4.1 GHz
4.1 GHz
4.6 GHz
Cores, changes with the configuration
4
4
6
6
6
Architecture
64-Bit
System bus
8 GT/s
Socket
LGA 1151 (Socket H4)
L1 cache, changes with the configuration
32 KB/32 KB ×4
32 KB/32 KB ×4
32 KB/32 KB ×6
32 KB/32 KB ×6
32 KB/32 KB ×6
L2/L3 cache, changes with the configuration
256 KB ×4, 6 MB
256 KB ×4, 6 MB
256 KB ×6, 9 MB
256 KB ×6, 9 MB
256 KB ×6, 12 MB

Memory

Standard, changes with the configuration
8 GB
— Not on this configuration
8 GB
— Not on this configuration
8 GB
Maximum, changes with the configuration
32 GB
32 GB
32 GB
— Not on this configuration
— Not on this configuration
Built in, changes with the configuration
None
— Not on this configuration
None
— Not on this configuration
None
Slots, changes with the configuration
2
2
2
— Not on this configuration
— Not on this configuration
Type, changes with the configuration
PC4-19200 DDR4
PC4-19200 DDR4
— Not on this configuration
— Not on this configuration
— Not on this configuration
Minimum speed, changes with the configuration
2400 MHz
2400 MHz
2666 MHz
2666 MHz
2666 MHz

Graphics

Graphics, changes with the configuration
AMD Radeon Pro 555X
AMD Radeon Pro 555X
AMD Radeon Pro 560X
AMD Radeon Pro 560X
— Not on this configuration
Graphics memory, changes with the configuration
2 GB
2 GB
4 GB
— Not on this configuration
— Not on this configuration
Graphics memory type
GDDR5
Video memory, changes with the configuration
2 GB
2 GB
4 GB
4 GB
— Not on this configuration
Maximum video memory, changes with the configuration
2 GB
2 GB
4 GB
4 GB
4 GB
External displays
Dual/Mirroring
Largest external display, changes with the configuration
3840×2160 ×2
3840×2160 ×2
3840×2160 ×2
— Not on this configuration
— Not on this configuration

Display

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

Storage

Standard storage, changes with the configuration
1 TB HDD
256 GB SSD
1 TB (Fusion)
256 GB SSD
— Not on this configuration
Drive, changes with the configuration
Hard Drive
Flash Storage (SSD)
Fusion Drive
Flash Storage (SSD)
— Not on this configuration
Drive speed, changes with the configuration
5400 RPM
— Not on this configuration
— Not on this configuration
— Not on this configuration
— Not on this configuration
Drive size
2.5" (7 mm), Proprietary
Interface
SATA III (6 Gbit/s)
Supported host controllers
AHCI, NVMe

Ports

Thunderbolt
Thunderbolt 3 (40 Gbit/s)
USB
USB-A 3.0 (5 Gbit/s) (×4)
Video out
Thunderbolt 3/USB-C (×2)
Security slot
Yes

Expansion

Expansion slots
SDXC Card Slot

Networking

Ethernet
10/100/1000Base-T (RJ-45)
Wi-Fi
802.11ac
Bluetooth
4.2

Audio

Microphone
1 (Built-in)
Audio out
3.5mm Analog
Headphone jacks
1

Battery and power

Power supply
Built in

Physical

Form factor
All-in-One
Weight, changes with the configuration
12.5 lb
12.3 lb
12.5 lb
12.3 lb
12.3 lb

Software

Operating system at launch, changes with the configuration
macOS 10.14.4 (18E2034)
— Not on this configuration
macOS 10.14.4 (18E2034)
— Not on this configuration
macOS 10.14.4 (18E2034)
Latest macOS
macOS 15.x
Windows
Boot/Virtualization
Earliest Windows
10 (64-Bit)
Latest Windows
10 (64-Bit)
Firmware
EFI

In the box

Keyboard
Magic Keyboard
Mouse or trackpad
Magic Mouse 2

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