Apple iMac “Core i5″ 1.6 GHz 21.5” 2015 Specs
iMac – MK142LL/A – iMac16,1 – A1418
About this iMac
The Apple iMac Intel Aluminum released October 13, 2015, had some uniqueness of its own from the other models such as the 802.11ac Wi-Fi which is backward compatible with the 802.11 a/b/g/n Wi-Fi. It had an 8 GB of onboard 1867 MHz LPDDR3 SDRAM. The “thick-at-the-middle-thin-at-the edges” design remained the same in this release of the computer just as in late 2012, late 2013, and mid-2014 versions. This a1418 iMac had all the needs of this generation of computing packed into its 45.0 cm, 52.8 cm, 17.5 cm and featured a lightweight of 12.5 lbs. (5.68 kg)casing.
1.6 GHz Intel i5
8 GB
1 TBHard Drive
Plugged-in
Storage & Memory
The device was built with 1 TB Serial ATA (6Gb/s) hard drive storage with a disk speed of 5400 RPM.
Screen Size and Resolution
The iMac Intel Aluminum version featured a 21.5 inch screen 1920×1080 LED-backlit 16:9 widescreen IPS display.
OS & Processor
The iMac had the Mac OS X 10.11 (15A2301) operating system pre-installed on it. It was powered by 14-nm “Broadwell” 1.6 GHz Intel “Core i5” processor (5250U) with two independent processor “cores” on a single chip. Its graphics processor was the “integrated” Intel HD Graphics 6000 graphics processor that shares system memory.
Memory & Architecture
The device was built with a 3 MB on-chip level 3 cache with an 8 GB of onboard 1867 MHz LPDDR3 SDRAM. Its design was centered on a 64-Bit architecture.
Upgradability
The iMac came with 8 GB of RAM it could be upgraded up to 16 GB of RAM.The Operating System of the iMac can also be upgraded from its pre-installed Mac OS X 10.11 (15A2301) up to the current macOS 11. This iMac was also able to run Windows 7 (64-Bit) and more recently Windows 10 (64-Bit).
This iMac had the following dimensions of 45.0 cm, 52.8 cm, 17.5 cm, and a weight of 12.5 lbs. (5.68 kg).
Inclusive Features
The iMac includes the following features and ports:
- A Power Adapter (100V-240V (50 Hz to 60 Hz, single phase))
- 802.11ac Wi-Fi
- Gigabit Ethernet
- A Mini DisplayPort allowing dual and mirroring operations with resolutions of up to 2560×1600.
- Stereo Speakers
- Thunderbolt Ports
- FaceTime HD webcam
Introduced:October 13, 2015 |
Discontinued: June 5, 2017 |
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Screen Size and Resolution |
Memory |
||
Screen Size |
21.5 inches TFT |
Level 1 Cache |
32k/32k |
Resolution |
1920×1080 |
Level 2/Level 3 Cache |
256k x2, 3 MB (on chip) |
Processor |
RAM Type |
LPDDR3 SDRAM |
|
Processors |
1 (2 Cores) |
Min. RAM Speed |
1867 MHz |
Architecture |
64-Bit |
Standard RAM |
8 GB |
Speed |
1.6 GHz (Turbo Boost 2.7 GHz) |
Maximum RAM |
16 GB |
Type |
Core i5 (I5-5250U) |
RAM Slots |
No |
Processor Upgrade |
Soldered |
Motherboard RAM |
8 |
FPU |
Integrated |
Graphics |
|
System Bus Speed |
5 GT/s |
Video Card |
HD Graphics 6000 |
Cache Bus Speed |
1.6 GHz (Built-in) |
VRAM Type |
Integrated |
ROM/Firmware |
EFI |
Standard VRAM |
1.5 GB |
EFI Architecture |
64-Bit |
Maximum VRAM |
1.5 GB |
Storage |
Inclusive Features and Ports |
||
Standard Storage |
1 TB HDD |
Standard Optical Drive |
None |
Storage Speed |
5400 RPM |
Standard Ethernet |
10/100/1000Base-T |
Storage Dimensions |
2.5” (7 mm) |
Standard Modem |
None |
Storage Interface |
Serial ATA (6 Gb/s) |
Standard AirPort |
802.11ac |
Battery |
Standard Bluetooth |
4.0 |
|
Type |
N/A |
USB Port 3.0 |
4 |
Battery Life |
N/A |
FireWire Ports |
None |
Description |
Keyboard |
Apple Wireless Keyboard |
|
Case Type |
All-in-One |
Inclusive Input |
Magic Mouse/Trackpad |
Form Factor |
21.5 iMac Late 2012 |
S-Video Output |
None |
Apple Order No |
MK142LL/A |
Microphone |
2 (Built-in) |
Apple Subfamily |
Late 2015 |
Headphone |
1 |
Apple Model Number |
A1418 (EMC 2889) |
Sound Out |
1 |
Model ID |
iMac16,1 |
Power |
1 |