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Silver all-in-one iMac with 21.5-inch Retina 4K display, keyboard and mouse

Apple

Apple iMac 21.5-inch Retina 4K 3.6GHz Core i3 16GB 256GB DDR4 Radeon Pro 555 2019 MRT32LL/A

SKU CH-2GEJ-NHJFR

All-in-one desktop with a 21.5-inch Retina 4K display, 3.6 GHz quad-core i3, 16 GB DDR4, 256 GB flash storage and Radeon Pro 555 graphics

  • Screen size21.5 in (54.6 cm)
  • ProcessorIntel Core i3
  • RAM capacity16 GB DDR4
  • SSD storage256 GB
  • GraphicsAMD Radeon Pro 555
  • CPU model3.6 GHz
  • 5-inch Retina 4K display delivers 4096 x 2304 resolution for sharp visuals
  • 6 GHz quad-core Intel Core i3-8100 processor handles everyday tasks smoothly
  • 16 GB DDR4 memory and 256 GB flash storage provide responsive performance
  • AMD Radeon Pro 555X graphics with 2 GB GDDR5 memory supports creative workflows
  • Includes USB keyboard and optical mouse for immediate setup

Ready-to-use all-in-one desktop

The Apple iMac MRT32LL/A is a 21.5-inch all-in-one computer with a Retina 4K display running at 4096 x 2304 resolution. It is powered by a 3.6 GHz quad-core Intel Core i3 processor and 16 GB of DDR4 memory. The system includes a 256 GB flash drive and AMD Radeon Pro graphics with dedicated GDDR5 video memory.

Suits home and office users needing a compact

This iMac fits buyers who want a complete Silver desktop with integrated FaceTime HD camera, stereo speakers and Gigabit Ethernet in a single unit. It is not for users who require user-upgradable memory beyond the 64 GB maximum, internal optical drive support or discrete graphics configurations not built into this model.

Bundled input devices complete the setup

The included USB keyboard and optical mouse provide immediate wired control without separate purchases. Four USB 3 ports, three Thunderbolt ports and a Mini DisplayPort output expand connectivity for storage, displays and peripherals. An SDXC card slot adds direct media import for photographers and video editors.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $272.99
Cheaper than about 76% of the 14,711 comparable items (median $494.99).
Screen size 21.5 in (54.6 cm)
Lower than about 90% of the 2,278 comparable items (median 22 in).
RAM capacity 16 GB DDR4
Typical for this category: the median of 13,125 items is 16 GB.

Specifications

Product
Brand nameApple
Product lineiMac
Part numberMRT32LL/A
Product typeAll-in-One PC
Product colorSilver
Processor
ProcessorIntel Core i3
CPU model3.6 GHz
Memory
RAM capacity16 GB DDR4
Max supported RAM64 GB
Storage
SSD storage256 GB
Optical driveNo
Display
Screen size21.5 in (54.6 cm)
Touch inputNo
Type of screenNon-Touch Screen
Display capabilitiesAnti-reflective IPS
Graphics
GraphicsAMD Radeon Pro 555
Audio & video
SoundSound card - Integrated
Speaker setupInternal Speaker
Connectivity
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Wireless adapter802.11n Wi-Fi wireless networking;2 IEEE 802.11a/b/g compatible
Wi-Fi802.11a/b/g/n Wireless LAN
Bluetooth support4.2
Ports & slots
Memory card readerYes
Rear USB ports4
Ethernet port1 port
Size & build
Form factorAll-in-One
Product weight12.5 lb (5.67 kg)
In the box
Included monitorIncluded
Bundled mouseOptical Mouse
Pointing deviceOptical
More details
KeyboardUSB Keyboard
Keyboard typeUSB Keyboard

Questions about this item

Does the iMac need an external display, keyboard or mouse to operate?

No — the 21.5-inch Retina 4K display, USB keyboard and optical mouse are all included in the box.

Can I connect my older Thunderbolt 2 hard drive to the three Thunderbolt ports on this iMac?

The ports are Thunderbolt 3 (USB-C); a Thunderbolt 2 device requires a certified Thunderbolt 3-to-2 adapter to work.

How do I verify the Radeon Pro 555 graphics are active after first boot?

Open About This Mac → System Report → Graphics/Displays and confirm the AMD Radeon Pro 555 with 2 GB GDDR5 is listed as the active GPU.

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