Model Detail - iMac 21.5 inch 1.6 GHz Core i5-5250U (Late-2015)

This iMac Core i5 1.6GHz 21.5-Inch (Late 2015) is powered by a 22 nm Haswell Quad Core 1.6 GHz Intel 'Core i5' 5250U processor with a 3MB shared level 3 cache. This model sports dedicated Graphics thanks to it's integrated Intel HD 6000 graphics processor. It's fixed configuration includes 8GB DDR3-1866 (PC3-14900) SDRAM (soldered to system board) and a 5400 RPM 500GB hard drive, a "FaceTime HD" webcam and stereo speakers with no optical drive.
This model has a 21.5" 1920x1080 LED 16:9 widescreen IPS display with a monolithic anti-glare 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 3.0 ports, 2 Thunderbolt ports, 1 Gigabit Ethernet, 802.11ac and Bluetooth 4.0.

Download the manual from here.

This machine does not have upgradable RAM!

MAIN SPECS
Processor Speed 1.6 GHz
First Build Date 10/13/2015
Last Build Date 6/5/2017
Built-in Display 21.5
Model Identifier iMac16,1
Apple Order Number MK142LL/A
Apple Model Number A1418 (EMC 2889)
Form Factor 21.5 Slim iMac
Apple Subfamily Late 2015
EXPAND / UPGRADE
Standard RAM
8 GB
Maximum RAM
16 GB
RAM SlotsNA
RAM SpecsPC3-14900 DDR3-1867
RAM SpeedSpeed 1867 MHz
Standard Storage Drive
1 TB (5400 RPM)
Maximum Storage Drive
1 TB Fusion
Storage Drive Interface Serial ATA (SATA) (6 Gb/s)/PCIe
SYSTEM
Processor Type Core i5 (I5-5250U)
Processors / Cores 1 (2 Cores)
Geekbench Rating N/A
Turbo Boost Speed 2.7 GHz
Custom Speeds NA
Architecture 64-Bit
Processor Upgradeable No / Soldered
FPU Integrated
Integrated System RAM 8GB
Standard RAM 8 GB
Maximum RAM 16 GB
RAM Slots NA
RAM Specs PC3-14900 DDR3-1867
RAM Speed Speed 1867 MHz
System Bus Speed 5 GT/s DMI
Cache Bus Speed Speed 1.6 GHz
ROM / Firmware Type EFI
EFI Architecture 64-Bit
L1 Cache 32k/32k
L2 / L3 Cache 256k (x2), 3 MB
VIDEO / GRAPHICS
Video Card Intel HD 6000
VRAM Type Integrated
Standard VRAM 1.5 GB
Maximum VRAM 1.5 GB
Native Resolution 1920x1080
Multi Display Support Support Dual/ Mirroring
Multi Display Max Resolution Resolution 3840x2160
STORAGE
Standard Storage Drive 1 TB (5400 RPM)
Maximum Storage Drive 1 TB Fusion
Storage Drive Interface Serial ATA (SATA) (6 Gb/s)/PCIe
Optical Disk None
Floppy / Zip Drive None
Ports
AirPort 802.11ac
Bluetooth 4.0
Video / Multi-IO 2 (Thunderbolt)
Thunderbolt Ports / Spec 2 (TB1/ 10Gb)
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
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 OSX 10.11(15A2301)
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 17.7 x 20.8 x 6.9
Weight 12.5 lbs. (5.68 kg)
Original Price USD (US) US$1099
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