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Apple iMac “Core i5″ 2.8 GHz 21.5” 2015 Specs
iMac – MK442LL/A – iMac16,2 – A1418
About this iMac
The Apple iMac Intel Aluminum was released in October 2015. It 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 a 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 late 2012, late 2013, and mid 2014 versions. This computer had all the needs of this generation of computing packed into its 45.0 cm, 52.8 cm, 17.5 cm and featured a light weight of 12.5 lbs. (5.68 kg) casing.
2.8 GHz Intel i5
8 GB
1 TBHard Drive
Plugged-in
Storage & Memory
The a1418 iMac 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” 2.8 GHz Intel “Core i5” processor (5575R) with four independent processor “cores” on a single chip. Its graphics processor was the “integrated” Intel Iris Pro 6200 graphics processor that shares the system memory.
Memory & Architecture
The device was built with a 4 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 X. 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 | ||
| 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 x4, 4 MB (on chip) |
| Processor | RAM Type | LPDDR3 SDRAM | |
| Processors | 1 (4 Cores) | Min. RAM Speed | 1867MHz |
| Architecture | 64-Bit | Standard RAM | 8 GB |
| Speed | 2.8 GHz (Turbo Boost 3.3 GHz) | Maximum RAM | 16 GB |
| Type | Core i5 (I5-5575R) | RAM Slots | None |
| Processor Upgrade | Soldered | Motherboard RAM | 8 GB |
| FPU | Integrated | Graphics | |
| System Bus Speed | 5 GT/s | Video Card | Iris Pro 6200 |
| Cache Bus Speed | 2.8 GHz (Built-in) | VRAM Type | Integrated |
| ROM/Firmware | EFI | Standard VRAM | 1.7 GB |
| EFI Architecture | 64-Bit | Maximum VRAM | 1.7 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 | MK442LL/A | Microphone | 1 (Built-in) |
| Apple Subfamily | Late 2015 | Headphone | 1 |
| Apple Model Number | A1418 (EMC 2889) | Sound Out | 1 |
| Model ID | iMac 16,2 | Power | 1 |
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