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Silver all-in-one desktop with 21.5 inch Retina 4K display

Apple

Apple iMac Retina 4K 21.5" 2019 i3 3.6GHz 8GB DDR4 1TB HDD Radeon Pro 555X Silver desktop PC

SKU CH-RSRD-PH8X0

All-in-one desktop with a 21.5-inch Retina 4K display, 3.6GHz quad-core i3, 8GB DDR4, 1TB HDD and Radeon Pro 555X graphics

  • RAM capacity8 GB
  • Form factorAll-in-One
  • Operating systemMacOS Ventura
  • Hard drive1 TB
  • Product typeDesktop PC
  • Sharp Retina 4K visuals on 21.5-inch display
  • Smooth multitasking from 3.6GHz Quad-Core i3 and 8GB DDR4
  • Ample 1TB HDD stores large media libraries
  • Dedicated Radeon Pro 555X graphics handle creative workloads
  • macOS Ventura brings latest security and Apple ecosystem features

21.5-inch Retina 4K all-in-one

The Apple iMac Retina 4K 21.5-inch (2019) is a compact all-in-one desktop with a Silver finish. It integrates a 3.6GHz Quad-Core Intel Core i3 processor, 8GB DDR4 memory and a 1TB hard drive. The Radeon Pro 555X graphics with 2GB dedicated memory drive the Retina 4K display. macOS Ventura provides the operating system.

Upgrade from older all-in-one or separate tower

This model replaces an ageing all-in-one or a traditional tower-and-monitor setup when a single integrated unit is preferred. The jump is worth it for users who want a 4K Retina screen and Apple silicon-era macOS support without a separate graphics card or external display cables.

Suits home office, classroom and light creative work

The iMac suits professionals, students and creatives who need a tidy desk footprint, colour-accurate 4K visuals and macOS Ventura integration with iPhone and iPad. Buyers who need user-upgradable memory, faster solid-state storage or discrete graphics beyond the 555X should consider alternative configurations.

How it compares

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

Price $349.99
Cheaper than about 64% of the 14,711 comparable items (median $494.99).
RAM capacity 8 GB
Lower than about 80% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Product typeDesktop PC
Memory
RAM capacity8 GB
Storage
Hard drive1 TB
Size & build
Form factorAll-in-One
Software
Operating systemMacOS Ventura

Questions about this item

What desk space does the 21.5-inch all-in-one need?

The 21.5-inch all-in-one sits on its built-in stand, so you only need a flat surface wide and deep enough for the screen and base — no separate tower or mount required.

How is the iMac set up out of the box, and what step do people skip?

Plug in the power cord, press the power button on the back, then follow the macOS Ventura setup assistant — the step many skip is connecting to Wi-Fi before signing in with an Apple ID, which delays iCloud sync and software updates.

Which parts will need replacement first on this 2019 iMac?

The 1 TB mechanical hard drive and the 8 GB DDR4 memory are the components most likely to need attention later — the drive can be upgraded to an SSD for speed, and the memory slots are accessible behind the stand for a capacity increase.

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