| OVERVIEW | |
| Introduced | October 2015 |
| Model Identifier | iMac16,1 (1.6 GHz) iMac16,2 (2.8 GHz) |
| Model Number | A1418 |
| EMC | 2889 |
| Order Number | MK142LL/A (1.6 GHz), MK442LL/A (2.8 GHz) |
| Support | NiwTech |
| Colors | Silver |
| Weight and Dimensions | 12.5 lbs., 17.7" H x 20.8" W x 6.9" D |
| PROCESSOR | |
| Processor | Intel Core i5 (5250U, 5575R) ("Broadwell") |
| Processor Speed | 1.6 or 2.8 GHz |
| Maximum Processor Speed | Up to 2.7 or 3.3 GHz |
| Architecture | 64-bit |
| Number of Cores | 2 (1.6 GHz) 4 (2.8 GHz) |
| Security Chip | No |
| Cache | 3 MB (1.6 GHz) 4 MB (2.8 GHz) L3 |
| System Bus | Intel Direct Media Interface (DMI) at 5 GT/s |
| Logic board Repair | NiwTech |
| STORAGE AND MEDIA | |
| Storage | 1 TB (5400-rpm SATA), 1 or 2 TB Fusion Drive, or 256 flash storage |
| Storage Upgrade | NiwTech |
| Data Recovery | NiwTech |
| Media | None |
| PERIPHERALS | |
| Peripherals | Apple Magic Keyboard, Magic Mouse 2 or Magic Trackpad 2 |
| Peripherals Repairs | NiwTech |
| SOFTWARE | |
| Original OS | OS X 10.11 (15A2301) |
| Maximum OS | Latest release of macOS |
| OS install | NiwTech |
| OS Upgrade | NiwTech |
| OS Downgrade | NiwTech |
| OS Support | NiwTech |
| AirDrop | Supported |
| Handoff | Supported |
| Power Nap | |
| Unlock with Apple Watch | Supported with macOS Sierra (Apple Watch (1st generation), Apple Watch Series 1, and Apple Watch Series 2) or macOS High Sierra or later (Apple Watch Series 3 or later) |
| FIRMWARE | |
| Firmware | Intel Extensible Firmware Interface (EFI) |
| MEMORY | |
| Built-in Memory | 8 or 16 GB PC3-14900 (1867 MHz) LPDDR3 |
| Maximum Memory | 16 GB |
| Memory Slots | None |
| Memory Upgrade | NiwTech |
| Memory Upgrade Instructions | How to remove or install memory |
| Interleaving Support | Yes |
| DISPLAY | |
| Built-in Display | 21.5-inch (diagonal) LED-backlit display with IPS technology |
| Display Glass | Standard |
| Brightness | |
| Pixel Density | 103 ppi |
| Color Gamut | |
| Resolutions | 1920 by 1080 pixels |
| Display Replacement | NiwTech |
| GRAPHICS | |
| Graphics Card | Intel HD Graphics 6000 (1.6 GHz) Intel Iris Pro Graphics 6200 (2.8 GHz) |
| Graphics Card Replacement | NiwTech |
| Graphics Memory | Up to 1.5 GB shared from main memory |
| Display Connection | Thunderbolt digital video output (Support for up to two Thunderbolt displays) |
| Display Modes | Dual display extended, video mirroring, and AirPlay Mirroring |
| External Resolution | Up to 3840 by 2160 (1.6 GHz) 4096 by 2304 (2.8 GHz) pixels |
| CAMERA | |
| Camera | Built-in FaceTime HD |
| CONNECTIONS | |
| Wi-Fi | 802.11ac |
| Bluetooth | Bluetooth 4.0 |
| Ethernet | 10/100/1000BASE-T (RJ-45) |
| Modem | None |
| USB | 4 - up to 5 Gbps |
| FireWire | None |
| Thunderbolt | 2 - Thunderbolt 2 (up to 20 Gbps) |
| Display | Thunderbolt digital video output (Support for up to two Thunderbolt displays) |
| Infrared | None |
| Audio In | Dual microphones |
| Audio Out | 1 - 3.5-mm analog/optical combo output jack, Built-in speakers |
| Security Slot | 1 - Kensington cable lock |
| EXPANSION | |
| Slots | 1 - Secure Digital (SDXC) |
| Bays | None |
| Hard Drive Interface | 1 - 6.0 Gbps Serial ATA (SATA), 1 - 8.0 GT/s PCIe x4 |
| SENSORS | |
| Liquid Sensor | Non |
| POWER | |
| Line Voltage | 100-240V AC |
| Power Supply Replacement | NiwTech |
| ENVIRONMENTAL | |
| Power Consumption | 33 W (Idle) 58 W (CPU Max) |
| ENERGY STAR | Meets ENERGY STAR 6.1 requirements |
| EPEAT | Gold |
| NiwTech | www.niwtech.com |
