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Silver all-in-one desktop with 21.5 inch Retina 4K display and tapered aluminum rear

Apple

Apple MRT32LL/A desktop PC

SKU CH-J5JN-GST8S MPN MRT32LL/A

A 21.5-inch all-in-one desktop with a Retina 4K display, 3.6 GHz Intel Core i3 processor, 8GB DDR4 memory, 1TB Fusion Drive and Radeon Pro 555X graphics

  • TypeAll-in-One PC
  • Form FactorAll-in-One
  • UsageOthers
  • ColorSilver
  • Processor8th Generation Intel Core i3 QUAD -Core processor
  • Memory8GB of 2400MHz DDR4 memory

Memory Capacity 8GB DDR4

  • 5-inch Retina 4K display shows 4096-by-2304 resolution with one billion colors
  • 6 GHz Intel Core i3 quad-core processor handles everyday tasks smoothly
  • 8GB of 2400MHz DDR4 memory keeps multiple apps responsive
  • Radeon Pro 555X graphics with 2GB GDDR5 accelerates creative workloads
  • Thunderbolt 3 and USB 3 ports connect peripherals and external displays

21.5-inch Retina 4K all-in-one

This 2019 iMac combines a 21.5-inch Retina 4K display with an 8th Generation Intel Core i3 quad-core processor running at 3.6 GHz. It ships with 8 GB of 2400 MHz DDR4 memory and a 1 TB Fusion Drive that pairs a 32 GB SSD with a 5400 RPM hard disk. Integrated Radeon Pro 555X graphics with 2 GB of GDDR5 memory drive the 4096-by-2304 panel.

Thermals and acoustics in daily use

The all-in-one aluminium enclosure tapers to 5 mm at the edges, housing the processor, graphics and storage behind the display. Under typical office workloads the cooling system manages heat from the 14 nm Coffee Lake chip and Radeon Pro 555X without audible fan noise. Power draw stays modest during web browsing, document editing and media playback.

Included accessories and software impact

A Magic Keyboard and Magic Mouse 2 are included, connecting instantly via Bluetooth 4.2 for cable-free setup. Two Thunderbolt 3 ports and four USB 3 ports support external storage, additional displays and high-speed peripherals without adapters. macOS provides continuity features such as AirDrop, Handoff and Universal Clipboard across Apple devices.

商品特色

  • 5-inch Retina 4K display shows 4096-by-2304 resolution with one billion colors
  • 6 GHz Intel Core i3 quad-core processor handles everyday tasks smoothly
  • 8GB of 2400MHz DDR4 memory keeps multiple apps responsive
  • Radeon Pro 555X graphics with 2GB GDDR5 accelerates creative workloads
  • Thunderbolt 3 and USB 3 ports connect peripherals and external displays

商品規格

BrandApple
SeriesiMac
ModelMRT32LL/A
Part NumberA2116 – 3195
TypeAll-in-One PC
Form FactorAll-in-One
UsageOthers
ColorSilver
Processor8th Generation Intel Core i3 QUAD -Core processor
Memory8GB of 2400MHz DDR4 memory
Storage1TB Serial ATA Drive -
Optical DriveNO
GraphicsRadeon Pro 555X with 2GB of GDDR5 memory
AudioSound card - Integrated
EthernetGigabit Ethernet
Wireless Card802.11ac Wi-Fi wireless networking
MonitorMonitor included
SpeakerYes
KeyboardYes
CPU TypeIntel Core i3 8th Gen
CPU Name3.6GHz
GPU/VGA TypeAMD Radeon Pro 555X
Graphics CardRadeon Pro 555X with 2GB of GDDR5 memory
Graphics InterfaceIntegrated video
Memory Capacity8GB DDR4
Memory SpeedDDR4 2400
Memory Spec8GB
Maximum Memory Supported32 GB
SSD24GB
HDD1TB
HDD InterfaceSATA
Storage Spec1TB Serial ATA Hard Drive (1,000GB)
Optical Drive TypeNo
Screen Size21.5"
TouchscreenNo
Screen TypeNon-Touch Screen
LAN Speed10/100/1000Mbps
WLAN802.11ac Wireless LAN
BluetoothBluetooth 4.2
Thunderbolt 3Yes
Rear USB4
RJ451 port
Keyboard TypeStandard
Mouse TypeUSB Mouse
Speaker ConfigurationInternal Speaker
Weight12.3 Lbs

其他版本

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商品問答

How is the 2400MHz DDR4 memory installed in the iMac, and what step do people often get wrong?

The memory is built into the computer but can be upgraded later; the step people get wrong is assuming it is user-accessible without specialised tools and significant disassembly.

What maintenance or replacement will the 1TB Fusion Drive need later?

The Fusion Drive combines a 32 GB SSD with a 1 TB 5400 RPM hard drive; the mechanical portion will eventually wear out and require replacement of the full drive assembly.

What limit appears first on the Radeon Pro 555X with 2GB GDDR5 during sustained heavy workloads?

The 2 GB GDDR5 video memory capacity is the first limit reached during sustained heavy graphics workloads, restricting texture and frame-buffer space.

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