About this iMac
The 2019 Apple iMac MRT42LL/A features a 4K Retina display with a rear aluminum tapered panel. The device is very similar to the previous iMac model in the lineup but features an updated processor as well as an updated graphics processor. Base models are specced out with a 1 TB hard drive and 8 GB of DDR4 SDRAM.
This iMac includes four USB 3.0 ports as well as two USB C (Thunderbolt 3) ports. As with all other 2019 iMac models, this iMac also has Bluetooth, wifi & gigabit ethernet capabilities. This device does not have the T2 chip that is featured in some more recent models.
The iMac came with 8 GB of RAM and it could be upgraded up to 64 GB of RAM. The Operating System of the iMac can also be upgraded from its pre-installed Mac OS X 10.14.4 up to the current MacOS X. This iMac was also able to run Windows 7 (64-Bit) and more recently Windows 10 (64-Bit). This iMac had the following dimensions 51.6 cm, 65.0 cm, 20.3 cm, and a weight of 21 lbs. (9.54 kg).
3.0 GHz Intel i5
8 GB
1 TB ‘Fusion’ Drive, 256 SSD
Plugged-in
Storage
The device was built with 1 TB “Fusion Drive” Serial ATA (6Gb/s) hard drive storage. It is difficult, but possible to upgrade these drives using and 2.5″ HDD or SSD.
Screen Size and Resolution
This iMac features a 21.5 inch screen 4096×2304 LED-backlit 16:9 widescreen IPS display. This is a 4K Retina display with a brightness of 500 nits and a”wide color” DCI-P3 gamut.
Processor& Graphics Processing Unit (GPU)
The iMac had the Mac OS X 10.14.4 (18E2034) operating system pre-installed on it. It was powered by a 14-nm “Coffee lake” Six Core 3.0 GHz Intel “Core i5” processor (I5-8500) processor with four independent processor cores on a single chip. Its graphics processor was the AMD Radeon Pro 560X graphics processor with 4 GB of dedicated GDDR5 memory.
Memory & Architecture
The device was built with a 9 MB on-chip level 3 cache with 8 GB of 2666 MHz PC4-21300 DDR4. It’s designed was centered on a 64-Bit architecture.
Upgradability
The iMac came with 8 GB of RAM it could be upgraded up to 64 GB of RAM.
The Operating System of the iMac can also be upgraded from its pre-installed Mac OS X 10.11 (15A4310) up to current MacOS X. This iMac was also able to run Windows 7 (64-Bit) and more recently Windows 10 (64-Bit).
This iMac had the following dimensions of 51.6 cm, 65.0 cm, 20.3 cm and a weight of 21 lbs. (9.54 kg).
Inclusive Features
The iMac includes the following features and ports:
- A Power Adapter (100V-240V (50 Hz to 60 Hz, single phase))
- 802.11ac Wi-Fi
- Gigabit Ethernet
- Stereo Speakers
- 4 USB 3.0 ports
- 2 Thunderbolt 3 ports (USB-C)
- FaceTime HD webcam
- Bluetooth 4.2
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Introduced: March 19, 2019 |
Discontinued: April 20, 2021 |
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Screen Size and Resolution |
Memory |
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Screen Size |
21.5 inches Retina 4K |
Level 1 Cache |
32k/32k x6 |
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Resolution |
4096×2304 |
Level 2/Level 3 Cache |
256k x6, 9 MB (on chip) |
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Processor |
RAM Type |
PC4-21300 DDR4 |
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Processors |
1 (6 Cores) |
Min. RAM Speed |
2666 MHz |
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Architecture |
64-Bit |
Standard RAM |
8 GB |
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Speed |
3.0 GHz |
Maximum RAM |
32 GB |
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Type |
Core i5 (I5-8500) |
RAM Slots |
4 |
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Processor Upgrade |
LGA 1151 |
Motherboard RAM |
None |
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FPU |
Integrated |
Graphics |
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System Bus Speed |
8 GT/s |
Video Card |
Radeon Pro 560X |
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Cache Bus Speed |
3.0 GHz (Built-in) |
VRAM Type |
GDDR5 |
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ROM/Firmware |
EFI |
Standard VRAM |
4 GB |
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EFI Architecture |
64-Bit |
Maximum VRAM |
4 GB |
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Storage |
Inclusive Features and Ports |
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Standard Storage |
1 TB ‘Fusion’ Drive, 256 GB SSD |
Standard Optical Drive |
None |
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Storage Speed |
N/A |
Standard Ethernet |
10/100/1000Base-T |
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Storage Dimensions |
2.5″ (7 mm) |
Standard Modem |
None |
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Storage Interface |
Serial ATA (6 Gb/s) |
Standard Air Port |
802.11ac |
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Battery |
Standard Bluetooth |
4.2 |
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Type |
N/A |
USB Port 3.0 |
4 |
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Battery Life |
N/A |
Thunderbolt Ports |
2 |
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Description |
Keyboard |
Apple Wireless Keyboard |
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Case Type |
All-in-One |
Inclusive Input |
Magic Mouse 2/Trackpad |
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Form Factor |
21.5″ iMac Tapered Edge |
S-Video Output |
None |
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Apple Order No |
MRT42LL/A |
Microphone |
1 (Built-in) |
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Apple Subfamily |
Retina 4K, 21.5-Inch, 2019 |
Headphone |
1 |
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Apple Model Number |
A2116 (EMC 3195) |
Sound Out |
1 |
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Model ID |
iMac19,2
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Power Adapter |
1 |
