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

Apple

Apple iMac 21.5 Retina 4K (Late 2015) MK452LL/A Core i5 3.1GHz 8GB DDR3 1TB HDD desktop PC

SKU CH-J99W-FXM7W

A 21.5-inch Retina 4K all-in-one desktop with a 3.1GHz Intel Core i5 quad-core processor, 8GB DDR3 memory and a 1TB 5400rpm hard drive

  • Screen size21.5 in (54.6 cm)
  • ProcessorIntel Core i5
  • RAM capacity8 GB DDR3
  • Hard drive1 TB
  • Wi-Fi standardWi-Fi 5
  • RAM type and speedDDR3 1866
  • 5-inch Retina 4K display at 4096×2304 resolution for ultrasharp visuals
  • 1GHz Intel Core i5 quad-core processor with Turbo Boost up to 3.6GHz
  • 8GB 1867MHz LPDDR3 memory for smooth multitasking
  • 1TB 5400rpm hard drive for extensive data storage
  • 11ac Wi-Fi 5 and Bluetooth 4.0 for modern connectivity

All-in-one desktop for creative work

The Apple iMac 21.5 Retina 4K (Late 2015) combines a 21.5-inch display with a 3.1GHz Intel Core i5 quad-core processor and 8GB of LPDDR3 memory. It targets creative professionals and everyday users who want a space-saving system with integrated visuals. The 1TB 5400rpm hard drive stores documents, media and applications. This unit is supplied in new condition.

Retina 4K display and connectivity limits

The 4096×2304 Retina 4K panel delivers ultra-sharp visuals and vibrant colours without a touchscreen option. Wireless connectivity uses 802.11ac Wi-Fi 5 and Bluetooth 4.0, which cap throughput and peripheral support at those standard generations. The all-in-one chassis fixes the screen size and prevents display upgrades or external GPU attachment. Memory is soldered LPDDR3, so capacity cannot be increased after purchase.

Capacity and headroom for daily workloads

Eight gigabytes of 1867MHz LPDDR3 handles typical multitasking and creative apps, but heavier video editing or virtual machines will exhaust the available RAM. The 1TB 5400rpm hard drive offers ample space for large libraries, yet its rotational speed limits boot and load times compared with solid-state storage. Turbo Boost up to 3.6GHz provides short bursts of extra compute for demanding tasks.

How it compares

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

Price $209.99
Cheaper than about 88% 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 8 GB DDR3
Lower than about 80% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameApple
Product lineiMac
Performance
Spindle speed5,400 rpm
Processor
ProcessorIntel Core i5
Base clock speed3.1 GHz
Memory
RAM capacity8 GB DDR3
RAM type and speedDDR3 1866
Storage
Hard drive1 TB
Display
Screen size21.5 in (54.6 cm)
Touch inputNo
Type of screenNon-Touch Screen
Connectivity
Wi-Fi standardWi-Fi 5
Wi-Fi802.11ac Wireless LAN
Bluetooth support4.0
In the box
Included monitorIncluded

Questions about this item

Should I choose the 8 GB DDR3 memory or look for a larger capacity?

This iMac ships with 8 GB of DDR3 1866 MHz memory soldered to the board, so the capacity cannot be upgraded later.

What does the 3.1 GHz Core i5 speed mean for everyday tasks?

The quad‑core processor runs at 3.1 GHz base and can Turbo Boost to about 3.6 GHz, giving responsive performance for web browsing, office apps and light creative work.

How fast is the 802.11ac Wi‑Fi connection in practice?

The 802.11ac (Wi‑Fi 5) adapter supports typical real‑world throughput of several hundred megabits per second, sufficient for HD streaming and large downloads.

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