We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver aluminium all-in-one desktop with 21.5 inch Retina 4K display

Apple

Apple iMac 21.5" Retina 4K (2019) MRT32LL/A 3.6GHz Core i3 8GB 1TB HDD desktop PC

SKU CH-RP91-D3Z70

A 21.5-inch Retina 4K all-in-one desktop with a 3.6 GHz quad-core Intel Core i3, 8 GB DDR4 RAM, 1 TB HDD and macOS Ventura

  • TypeBusiness Desktops & Workstations
  • Form FactorAll-in-One
  • Operating SystemmacOS Ventura
  • Memory Capacity8GB
  • HDD1TB
  • Dimensions (H x W x D)17.72 (H) x 20.79 (W) x 6.89 (D) in
  • Crisp 21.5" Retina 4K display for detailed visuals
  • 6 GHz quad-core Intel Core i3 handles everyday tasks
  • 8 GB DDR4 RAM supports smooth multitasking
  • 1 TB HDD stores large media libraries
  • macOS Ventura delivers a secure, up-to-date experience

All-in-One for home and study

The 21.5-inch Retina 4K iMac combines the display, computer and speakers in a single unit. It runs macOS Ventura on an Intel Core i3 3.6 GHz quad-core processor with 8 GB DDR4 RAM and a 1 TB HDD. The design suits home offices, students and general creative work.

Upgrading from older Macs or basic PCs

Replacing a pre-Retina iMac or an entry-level Windows all-in-one brings a much sharper 4K panel and the modern macOS Ventura environment. The jump is worth it when you need accurate colour for photos or a cleaner desk without a separate tower and monitor.

Buyers who want a simple Mac desktop

This model fits users who prefer macOS for web browsing, office apps, light photo editing and media playback. It is not for buyers who want more storage speed than a hard drive provides, builders who need a second card, or anyone requiring user-upgradeable memory.

Highlights

  • Crisp 21.5" Retina 4K display for detailed visuals
  • 6 GHz quad-core Intel Core i3 handles everyday tasks
  • 8 GB DDR4 RAM supports smooth multitasking
  • 1 TB HDD stores large media libraries
  • macOS Ventura delivers a secure, up-to-date experience

Specifications

BrandApple
SeriesApple iMac 21.5" Retina 4K (2019) — MRT32LL/A
ModelApple iMac 21.5" Retina 4K
Part NumberMRT32LL/A
TypeBusiness Desktops & Workstations
Form FactorAll-in-One
Operating SystemmacOS Ventura
Memory Capacity8GB
HDD1TB
Dimensions (H x W x D)17.72 (H) x 20.79 (W) x 6.89 (D) in
Weight12.35

Questions about this item

What are the exact dimensions of the 21.5 inch iMac so I can check desk clearance?

The all-in-one measures 17.72 inches high, 20.79 inches wide and 6.89 inches deep.

How is the memory upgraded on this model and what mistake do installers make?

The 8 GB DDR4 SO-DIMM slots are behind a hatch on the rear; the common error is forgetting to press each module firmly until the side clips click.

When will the internal 1 TB hard drive likely need replacement?

A mechanical 1 TB HDD typically shows wear after three to five years of daily use; plan to swap it for an SSD when boot times lengthen.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.