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iMac (Retina 4K, 21.5-inch, Late 2015)

iMac (Retina 4K, 21.5-inch, Late 2015)

The iMac (Retina 4K, 21.5-inch, Late 2015) is an all-in-one desktop that Apple introduced on 13 October 2015 and sold until June 2017. It has a 21.5-inch display at 4096×2304. It came in 2 configurations, with a 3.1 GHz or 3.3 GHz Core i5 or Core i7 processor, 8 GB of memory and 1 TB HDD of storage.

Model number
A1418
Model identifier
iMac16,2
EMC number
2833
Released
Late 2015
Support status
Obsolete
Order number
MK452LL/A

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2 configurations

Choose a configuration to see its processor, memory, graphics and storage.

Configuration Order number Cores Graphics Original price
3.1 GHz Core i5, 8 GB, 1 TB HDD MK452LL/A 4 Intel Iris Pro 6200 US$1,499
3.3 GHz Core i7, 8 GB, 1 TB HDD BTO 4 Intel Iris Pro 6200 US$1,699

3.1 GHz Core i5, 8 GB, 1 TB HDD

Overview

Variant
Retina 4K
Order number
MK452LL/A
Model identifier
iMac16,2
EMC number
2833
Introduced
13 October 2015
Discontinued
5 June 2017
Original price
US$1,499
Weight
12.5 lb

Processor

Processor
Core i5
Part number
i5-5675R
Speed
3.1 GHz
Turbo Boost
3.6 GHz
Cores
4
Processors
1
System bus
Intel Direct Media Interface (DMI 2.0) at 5 GT/s
Socket
Soldered
L1 cache
32 KB/32 KB
L2/L3 cache
256 KB ×4, 4 MB (on-chip)
FPU
Integrated

Memory

Standard
8 GB
Maximum
16 GB
Built in
8 GB
Slots
None
Type
LPDDR3 on-board memory PC3-14900 (1867 MHz)
Minimum speed
1867 MHz

Graphics

Graphics
Intel Iris Pro 6200
Graphics memory type
Integrated
Video memory
1.7 GB
Maximum video memory
1.7 GB
External displays
Dual/Mirroring
Largest external display
4096×2304
Video out
Thunderbolt 2 (×2)

Storage

Standard storage
1 TB HDD
Drive speed
5400 RPM
Drive size
2.5" (7 mm), Proprietary
Interface
SATA III (6 Gbit/s), PCIe 2.0 ×2 with proprietary 12+16 pin connector (optional)
Host controller
NVMe

Optical

Optical drive
None

Wireless and expansion

Wi-Fi
802.11ac
Bluetooth
4.0
Expansion slots
SDXC Card Slot
Expansion bays
None

In the box

Operating system at launch
OS X 10.11 (15A2301)
Keyboard
Apple Magic Keyboard
Mouse or trackpad
Magic Mouse 2

3.3 GHz Core i7, 8 GB, 1 TB HDD

Overview

Variant
Retina 4K
Order number
BTO
Model identifier
iMac16,2
EMC number
2833
Introduced
13 October 2015
Discontinued
5 June 2017
Original price
US$1,699
Weight
12.5 lb

Processor

Processor
Core i7
Part number
i7-5775R
Speed
3.3 GHz
Turbo Boost
3.8 GHz
Cores
4
Processors
1
System bus
Intel Direct Media Interface (DMI 2.0) at 5 GT/s
Socket
Soldered
L1 cache
32 KB/32 KB
L2/L3 cache
256 KB ×4, 6 MB (on-chip)
FPU
Integrated

Memory

Standard
8 GB
Maximum
16 GB
Built in
8 GB
Slots
None
Type
LPDDR3 on-board memory PC3-14900 (1867 MHz)
Minimum speed
1867 MHz

Graphics

Graphics
Intel Iris Pro 6200
Graphics memory type
Integrated
Video memory
1.7 GB
Maximum video memory
1.7 GB
External displays
Dual/Mirroring
Largest external display
4096×2304
Video out
Thunderbolt 2 (×2)

Storage

Standard storage
1 TB HDD
Drive speed
5400 RPM
Drive size
2.5" (7 mm), Proprietary
Interface
SATA III (6 Gbit/s), PCIe 2.0 ×2 with proprietary 12+16 pin connector (optional)
Host controller
NVMe

Optical

Optical drive
None

Wireless and expansion

Wi-Fi
802.11ac
Bluetooth
4.0
Expansion slots
SDXC Card Slot
Expansion bays
None

In the box

Operating system at launch
OS X 10.11 (15A2301)
Keyboard
Apple Magic Keyboard
Mouse or trackpad
Magic Mouse 2

Shared by every configuration

Display

Screen size
21.5-inch
Viewable size
21.5-inch
Aspect ratio
16:9 Widescreen
Resolution
4096×2304
Camera
Built-in FaceTime HD (1280×720)

Ports

Thunderbolt
Thunderbolt 2 (20 Gbit/s) (×2)
USB
USB-A 3.0 (5 Gbit/s) (×4)
FireWire
None
Mini DisplayPort
None
Security slot
Yes

Networking

Ethernet
10/100/1000Base-T (RJ-45)
Modem
None

Audio

Microphone
2 (Built-in)
Audio out
3.5mm Analog/Digital combo
Headphone jacks
1

Storage

Supported host controllers
AHCI, NVMe

Battery and power

Backup battery
None
Power supply
Built in
Power adapter
None

Physical

Form factor
All-in-One
Size (H × W × D)
17.7 × 20.8 × 6.9 in

Platform

Architecture
64-Bit
Firmware
EFI

Software

Latest macOS
macOS 12.x (Monterey)
Mac OS 9
None
Windows
Boot/Virtualization
Earliest Windows
10 (64-Bit)
Latest Windows
10 (64-Bit)

Specs from Beetstech's device records. Something wrong? Tell us.