| OVERVIEW | |
| Introduced | December 2017 |
| Model Identifier | iMacPro1,1 |
| Model Number | A1862 |
| EMC | 3144 |
| Order Number | MQ2Y2LL/A (8-core) MHLV3LL/A (10-core) |
| Support | NiwTech |
| Colors | Space Gray |
| Weight and Dimensions | 21.5 lbs., 20.3" H x 25.6" W x 8" D |
| PROCESSOR | |
| Processor | Intel Xeon W (W-2140B, W-2150B, W-2170B, W-2190B) ("Skylake") |
| Processor Speed | 3.2, 3.0, 2.5, or 2.3 GHz |
| Maximum Processor Speed | Up to 4.2, 4.5, or 4.3 GHz |
| Architecture | 64-bit |
| Number of Cores | 8, 10, 14, 18 |
| Security Chip | Apple T2 (APL1027) |
| Cache | 19 MB (3.2 GHz) 23.75 MB (3.0 GHz) 33.25 MB (2.5 GHz) 42.75 MB (2.3 GHz) |
| System Bus | Intel QuickPath Interconnect (QPI) |
| Logic board Repair | NiwTech |
| STORAGE AND MEDIA | |
| Storage | 1, 2, or 4 TB flash storage |
| Storage Upgrade | NiwTech |
| Data Recovery | NiwTech |
| Media | None |
| PERIPHERALS | |
| Peripherals | Magic Keyboard with Numeric Keypad, Magic Mouse 2 or Magic Trackpad 2 |
| Peripherals Repairs | NiwTech |
| SOFTWARE | |
| Original OS | macOS 10.13.2 (17C2111) |
| 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 |
| FIRMWARE | |
| Firmware | Intel Extensible Firmware Interface (EFI) |
| MEMORY | |
| Built-in Memory | 32, 64, or 128 GB PC4-21300 (2666 MHz) DDR4 ECC |
| Maximum Memory | 512 GB (Actual) 128 GB (Apple) |
| Memory Slots | 4 - 288-pin PC4-21300 (2666 MHz) DDR4 ECC DIMM (Non user-accessible) |
| Memory Upgrade | NiwTech |
| Memory Upgrade Instructions | How to remove or install memory |
| Interleaving Support | Yes |
| 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 Vega 56 or Vega 64 |
| Graphics Card Replacement | NiwTech |
| Graphics Memory | 8 GB (Vega 56) or 16 GB (Vega 64) HBM2 |
| Display Connection | Thunderbolt digital video output |
| Display Modes | Dual display extended, video mirroring, and AirPlay Mirroring |
| External Resolution | Up to 5120 by 2880 (two displays) 3840 by 2160 (four displays) pixels at 60 Hz and 1 billion colors or 4096 by 2304 (four displays) pixels at 60 Hz and millions of colors |
| CAMERA | |
| Camera | Built-in 1080p FaceTime HD |
| CONNECTIONS | |
| Wi-Fi | 802.11ac |
| Bluetooth | Bluetooth 5.0 |
| Ethernet | NBASE-T at 1Gb, 2.5Gb, 5Gb, and 10Gb (RJ-45) |
| Modem | None |
| USB | 4 - up to 5 Gbps |
| FireWire | None |
| Thunderbolt | 4 - Thunderbolt 3 (up to 40 Gbps) |
| Display | Thunderbolt digital video output |
| Audio In | 4 - Microphones |
| Audio Out | 1 - 3.5-mm output jack, Built-in speakers |
| Security Slot | 1 - Kensington cable lock |
| EXPANSION | |
| Slots | 1 - Secure Digital (SDXC with support for USH-II) |
| Bays | None |
| Hard Drive Interface | 8.0 GT/s NVMe PCIe x4 |
| SENSORS | |
| Liquid Sensor | Non |
| POWER | |
| Line Voltage | 100-240V AC |
| Power Supply Replacement | NiwTech |
| ENVIRONMENTAL | |
| Power Consumption | 64 W (Idle) 370 W (CPU Max) |
| ENERGY STAR | Meets ENERGY STAR 6.1 requirements |
| EPEAT | Gold |
| NiwTech | www.niwtech.com |
