Model Detail - iMac 27 inch 4.2 GHz Core i7-7700K Kaby Lake Retina 5K (Mid 2017)

The iMac Core i7 4.2 GHz 27-Inch 5k Retina Screen (Mid 2017) is powered by a 14 nm Kaby Lake Quad Core 4.2GHz Intel 'Core i7' 7700K processor with a 6MB shared level 3 cache. Graphics are user specified Radeon Pro 575 graphics processor with 4GB of GDDR5 graphics memory or Radeon Pro 580 graphics processor with 8GB

Base configuration comes with 4 memory slots with 8GB DDR4-2400 (PC4-19200) SDRAM installed as a pair of 4GB SODIMMs (with 2 slots empty), a 1TB or 2TB (users specified) Fusion hybrid drive, a "FaceTime HD" webcam and stereo speakers with no optical drive.

This model has a 27" 5120x2880 5k Retina LED 16:9 widescreen IPS display with a monolithic glass laminated LCD panel. The sleek aluminum housing of these models tapers to a slim 5mm edge around the screen perimeter with greater girth in the center of the unit.
Ports and connectivity come via 4 USB-c 3.0 ports, 2 being Thunderbolt ports, 1 Gigabit Ethernet, 802.11a/b/g/n/ac compatible and Bluetooth 4.2.

Download the manual from here.

Learn how to install Extra RAM here.

Processor Speed 4.2 GHz
First Build Date 6/5/2017
Last Build Date N/A
Built-in Display 27
Model Identifier iMac18,3
Apple Order Number MNEA2LL/A (1TB drive) MNED2LL/A (2TB drive)
Apple Model Number A1419
Form Factor 27 iMac Late 2012
Apple Subfamily Retina 5K, Late 2015
Standard RAM
Maximum RAM
64 GB
RAM Slots4
RAM SpecsPC4-19200 DDR4-2400
RAM SpeedSpeed 2400 MHz
Standard Storage Drive
1 TB, 2 TB (Fusion)
Maximum Storage Drive
Storage Drive Interface Serial ATA (SATA) (6 Gb/s)/PCIe
Processor Type Core i5 (I5-7700K) Kaby Lake
Processors / Cores 1 (4 Cores)
Geekbench Rating N/A
Turbo Boost Speed 4.5 GHz
Custom Speeds N/A
Architecture 64-Bit
Processor Upgradeable LGA 1151 socket
FPU Integrated
Integrated System RAM None
Standard RAM 8 GB
Maximum RAM 64 GB
RAM Slots 4
RAM Specs PC4-19200 DDR4-2400
RAM Speed Speed 2400 MHz
System Bus Speed 8 GT/s (DMI3)
Cache Bus Speed Speed 3.4 GHz (Built-in)
ROM / Firmware Type EFI
EFI Architecture 64-Bit
L1 Cache 32k/32k
L2 / L3 Cache 256k (x4) 6 MB (on chip)
Video Card Radeon Pro 575 or 580
Standard VRAM 4GB if Radeon 575, 8GB if Radion 580
Maximum VRAM 4 GB or 8 GB
Native Resolution 5120x2880
Multi Display Support Dual/ Mirroring
Multi Display Max Resolution 5120x2880
Standard Storage Drive 1 TB, 2 TB (Fusion)
Maximum Storage Drive 3TB
Storage Drive Interface Serial ATA (SATA) (6 Gb/s)/PCIe
Optical Disk None
Floppy / Zip Drive None
AirPort 802.11ac
Bluetooth 4.2
Video / Multi-IO 2 (Thunderbolt)
Thunderbolt Ports / Spec 2 (TB3/ 40Gb) USB-C
USB Ports / Spec 4 (3.0)
Firewire Ports / Spec None
Ethernet (RJ-45) 10/100/1000Base-T
Modem (RJ-11) None
Headphone 1
Microphone 2 (Built-in)
Audio In 1
Audio Out 1
Keyboard Apple Wireless Keyboard
Mouse / Trackpad Magic Mouse 2/Trackpad
Expansion Slots SDXC SD Card
Expansion Bays None
S-Video Input None
S-Video Output None
Floppy None
ADB None
Serial None
Geoport None
Pre-Installed MacOS X 10.12.4 (16F2073)
Maximum MacOS Current
MacOS 9 Support None
Windows Support Boot/ Virtualization
Minimum Windows 10 (64-Bit)
Maximum Windows 10(64-Bit)
Battery Type N/A
Battery Life N/A
Power Adapter None
Case Type All-in-One
Dimensions 20.3 x 25.6 x 8
Weight 21 lbs. (9.54 kg)
Original Price USD (US) $2299-$2499
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