Model Detail - iMac PRO 27 inch 3.2 GHz 8 Core Xeon "W-2140B" 5K (Late 2017)

The iMac PRO 3.2GHz 8 Core Xeon "W-2140B 27-Inch 5k Screen (Late 2017) is powered by an Intel 14 nm Xeon Octa Core 3.2GHz processor with a 19MB of combined L2 and L3 cache. This model sports powerful dedicated Graphics thanks to a Radeon Pro Vega 56 graphics processor including 8GB (16GB optional) of HBM graphics memory.
The massive shame of this machine its lack of upgrade potential. Apple chose to seal the unit via glue taping the glass/screen the unit shut, making upgrades much more involved.

Base configuration comes with 4 memory slots with 32GB DDR4-2400 (PC4-19200) SDRAM installed as a four full size 8GB DIMMs, a 1TB SSD (RAIDED 2X512GB) drive, using an Apple proprietary drive interface. There is also a "FaceTime HD" webcam, 4 integrated microphones, 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, 4 being Thunderbolt ports, 1X10 Gigabit Ethernet, 802.11a/b/g/n/ac compatible and Bluetooth 4.2.

Download the manual from here.

MAIN SPECS
Processor Speed 3.2 GHz
First Build Date 12/14/2017
Last Build Date N/A
Built-in Display 27
Model Identifier iMacPro1,1
Apple Order Number MQ2Y2LL/A
Apple Model Number A1862 (EMC 3144)
Form Factor 27
Apple Subfamily iMac Pro, Late 2017
EXPAND / UPGRADE
Standard RAM
32 GB (4X8GB) 64GB, 128GB offered for other models
Maximum RAM
128 GB -BUT, Apple semi-seals these machines. Grr...!
RAM Slots4
RAM SpecsPC4-21300 DDR4-2666 (288-pin)
RAM SpeedSpeed 2666 MHz
Standard Storage Drive
1 TB SSD (RAID Pair of Bare 512MB) - Apple Model 656-0061A
Maximum Storage Drive
2TB ($800) 4TB ($2800)
Storage Drive Interface Apple Proprietary Onboard NVMe Controller
SYSTEM
Processor Type 8 Core Xeon W-2140B (Underclocked Xeon W-2145)
Processors / Cores 1 (8 Cores)
Geekbench Rating 30524
Turbo Boost Speed 4.2 GHz
Custom Speeds N/A
Architecture 64-Bit
Processor Upgradeable Possibly...
FPU Integrated
Integrated System RAM None
Standard RAM 32 GB (4X8GB) 64GB, 128GB offered for other models
Maximum RAM 128 GB -BUT, Apple semi-seals these machines. Grr...!
RAM Slots 4
RAM Specs PC4-21300 DDR4-2666 (288-pin)
RAM Speed Speed 2666 MHz
System Bus Speed ** QPI (QuickPath Interconnect)
Cache Bus Speed Speed 3.2 GHz (Built-in)
ROM / Firmware Type EFI
EFI Architecture 64-Bit
L1 Cache 32k/32k x8
L2 / L3 Cache 8MB L2, 11 MB L3 for 19MB Total
VIDEO / GRAPHICS
Video Card Radeon Pro Vega 56
VRAM Type HBM (High Bandwidth Memory)
Standard VRAM 8 GB
Maximum VRAM 16 GB at time of purchase
Native Resolution 5120x2880
Multi Display Support Dual/ Mirroring
Multi Display Max Resolution Up to TWO external displays @ 5120x2880
STORAGE
Standard Storage Drive 1 TB SSD (RAID Pair of Bare 512MB) - Apple Model 656-0061A
Maximum Storage Drive 2TB ($800) 4TB ($2800)
Storage Drive Interface Apple Proprietary Onboard NVMe Controller
Optical Disk None
Floppy / Zip Drive None
Ports
AirPort 802.11ac
Bluetooth 4.2
Video / Multi-IO 4 (Thunderbolt)
Thunderbolt Ports / Spec 4 (TB3/ 40Gb) USB-C
USB Ports / Spec 4 (3.0)
Firewire Ports / Spec None
Ethernet (RJ-45) 10Gb Nbase-T
Modem (RJ-11) None
Headphone 1
Microphone 4 (Built-in)
Audio In 1
Audio Out 1
Keyboard Apple Wireless Keyboard
Mouse / Trackpad Magic Mouse 2/Trackpad
Expansion Slots SDXC (UHS-II) SD Card
Expansion Bays None
LEGACY PORTS
SCSI None
S-Video Input None
S-Video Output None
Floppy None
ADB None
Serial None
Geoport None
OPERATING SYSTEM
Pre-Installed MacOS X 10.13.2 (17C2111)
Maximum MacOS Current
MacOS 9 Support None
Windows Support Boot/ Virtualization
Minimum Windows 10 (64-Bit)
Maximum Windows 10(64-Bit)
POWER
Battery Type N/A
Battery Life N/A
Power Adapter None
PHYSICAL
Case Type All-in-One
Dimensions 20.3 x 25.6 x 8
Weight 21 lbs. (9.54 kg)
Original Price USD (US) $4999
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