| OVERVIEW | |
| Introduced | March 2019 |
| Model Identifier | iMac19,1 |
| Model Number | A2115 |
| EMC | 3194 |
| Order Number | MRQY2LL/A (3.0 GHz), MRR02LL/A (3.1 GHz), MRR12LL/A (3.7 GHz) |
| Support | NiwTech |
| Colors | Silver |
| Weight and Dimensions | 20.8 lbs., 20.3" H x 25.6" W x 8" D |
| PROCESSOR | |
| Processor | Intel Core i5 (8500, 8600, 9600K) Core i9 (9900K) ("Coffee Lake") |
| Processor Speed | 3.0, 3.1, 3.7, or 3.6 GHz |
| Maximum Processor Speed | Up to 4.1, 4.3, 4.6, or 5.0 GHz |
| Architecture | 64-bit |
| Number of Cores | 6 or 8 |
| Security Chip | No |
| Cache | 9 MB (Core i5) 16 MB (Core i9) L3 |
| System Bus | Intel Direct Media Interface (DMI) at 8 GT/s |
| Logic board Repair | NiwTech |
| STORAGE AND MEDIA | |
| Storage | 1, 2, or 3 TB Fusion Drive, or 256, 512 GB, 1, or 2 TB flash storage |
| Storage Upgrade | NiwTech |
| Data Recovery | NiwTech |
| Media | None |
| PERIPHERALS | |
| Peripherals | Magic Keyboard or Magic Keyboard with Numeric Keypad, Magic Mouse 2 or Magic Trackpad 2 |
| Peripherals Repairs | NiwTech |
| SOFTWARE | |
| Original OS | macOS 10.14.4 (18E2034) |
| 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 | None |
| Maximum Memory | 128 GB (Actual) 64 GB (Apple) |
| Memory Slots | 4 - 260-pin PC4-21333 (2666 MHz) DDR4 SO-DIMM |
| Memory Upgrade | NiwTech |
| Memory Upgrade Instructions | How to remove or install memory |
| DISPLAY | |
| Built-in Display | 27-inch (diagonal) Retina 5K display with IPS technology |
| Display Glass | Standard |
| Brightness | 500 cd/m2 |
| Pixel Density | 218 ppi |
| Color Gamut | Wide color gamut (P3) |
| Resolutions | 5120 by 2880 pixels |
| Display Replacement | NiwTech |
| GRAPHICS | |
| Graphics Card | AMD Radeon Pro 570X, Radeon Pro 575X, Radeon Pro 580X, or Radeon Pro Vega 48 |
| Graphics Card Replacement | NiwTech |
| Graphics Memory | 4 GB GDDR5 (Radeon Pro 570X, Radeon Pro 575X) 8 GB GDDR5 (Radeon Pro 580X) 8 GB HBM2 (Radeon Pro Vega 48) |
| Display Connection | Thunderbolt digital video output |
| Display Modes | Dual display extended, video mirroring, and AirPlay Mirroring |
| External Resolution | Up to 4096 by 2304 (two displays) 5120 by 2880 (one display) pixels at 60 Hz |
| CAMERA | |
| Camera | Built-in FaceTime HD |
| CONNECTIONS | |
| Wi-Fi | 802.11ac |
| Bluetooth | Bluetooth 5.0 |
| Ethernet | 10/100/1000BASE-T (RJ-45) |
| Modem | None |
| USB | 4 - up to 5 Gbps |
| FireWire | None |
| Thunderbolt | 2 - Thunderbolt 3 (up to 40 Gbps) |
| Display | Thunderbolt digital video output |
| Audio In | Microphone |
| Audio Out | 1 - 3.5-mm 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 NVMe PCIe x4 |
| SENSORS | |
| Liquid Sensor | Non |
| POWER | |
| Line Voltage | 100-240V AC |
| Power Supply Replacement | NiwTech |
| ENVIRONMENTAL | |
| Power Consumption | 71 W (Idle) 262 W (CPU Max) |
| ENERGY STAR | Meets ENERGY STAR requirements |
| EPEAT | Gold |
| NiwTech | www.niwtech.com |
