iMac Retina 4K 21.5-inch 2017

The Apple iMac Retina 4K 21.5-inch 2017 is a personal computer that was designed, manufactured, and sold by Apple from 2017 to 2019 as part of the iMac series. The computer has been introduced on June 5, 2017, and its price started at $1299.

The new iMac features a 3.0 GHz or 3.4 GHz Intel Core i5 or 3.6 GHz Intel Core i7 processor, 8 GB / 16 GB or 32 GB of RAM, 21.5-inch high-resolution Retina 4K glossy LED-backlit IPS LCD Display, 1 TB hard drive, Ambient Light Sensor, FaceTime HD camera, two Thunderbolt 3 ports, four USB 3.0 ports, an SDXD card slot, and 2 GB AMD Radeon Pro 555 graphics in the base model.

This iMac has been discontinued on March 19, 2019.

Today iMac Retina 4K 21.5-inch 2017 is 6 years old!

iMac 21.5-inch 2017
Source: – iMac 21.5-inch 2017

iMac Retina 4K 21.5-inch 2017 Release Date and Original Price

IntroducedJune 5, 2017
DiscontinuedMarch 19, 2019
Model IdentifieriMac18,2
Model NumberA1418
Order NumberMNDY2LL/A (3.0 GHz)
MNE02LL/A (3.4 GHz)
Original Price$1,299
ColorsSilver Aluminum
Weight12.5 Ibs.
5.669 KG
Dimensions17.7” H x 20.8” W x 6.9” D
44.95 cm H x 52.83 cm W x 17.52 cm D

Tech Specs


ProcessorIntel Core i5 7400 “Kaby Lake” (3.0 GHz)
Intel Core i5 7500 “Kaby Lake” (3.4 GHz)
Intel Core i7 7700 “Kaby Lake” (3.6 GHz)
Processor Speed3.0 GHz
3.4 GHz
3.6 GHz
Maximum Processor SpeedUp to 3.5 GHz (3.0 GHz)
Up to 3.8 GHz (3.4 GHz)
Up to 4.2 GHz (3.6 GHz)
Number of Cores4
System BusIntel Direct Media Interface (DMI) at 8 GT/s
Cache6 MB L3 (Core i5)
8 MB L3 (Core i7)

Storage & Media

Storage1 TB HDD
1 TB Fusion Drive
256 GB SSD
512 GB SSD


Built-in Memory8 GB
16 GB
32 GB
Maximum Memory32 GB (Apple)
64 GB (Actual)
Memory Slots2 – PC4-19200 260-pin DDR4 SO-DIMM 2400 MHz
Interleaving SupportYes


Built-in Display21.5″ high-resolution Retina 4K IPS LED-backlit LCD glossy widescreen Display
Display GlassStandard
Color GamutWide color gamut P3
Brightness500 cd/m2
Pixel Density219 ppi
Resolutions4096 x 2304


Graphics CardAMD Radeon Pro 555
AMD Radeon Pro 560
Graphics Memory2 GB GDDR5 (AMD Radeon Pro 555)
4 GB GDDR5 (AMD Radeon Pro 560)
Display Connection2 – Thunderbolt 3
Display SupportSupport for up to two Thunderbolt displays
Display ModesDual display extended, video mirroring, and AirPlay Mirroring
External ResolutionUp to 4096 x 2304 (two displays) at 60 Hz
Up to 5120 x 2880 (one display) at 60 Hz
CameraFaceTime HD


Expansion Slots1 – Secure Digital (SDXC)
Hard Drive Interface1 – 6.0 Gbps Serial ATA (SATA)
1 – 8.0 GT/s NVMe PCIe x4


Ethernet10/100/1000BASE-T (RJ-45)
BluetoothBluetooth 4.2
USB4 – Up to 5 Gbps
Thunderbolt2 – Thunderbolt 3 (Up to 40 Gbps)
Audio In2 – Microphones
Audio Out1 – 3.5-mm analog/optical combo jack
2 – Built-in speakers
Display2 – Thunderbolt 2


Original OSmacOS 10.12.4
Later OSmacOS 10.12.5
Maximum OSThe latest release of macOS
FirmwareIntel Extensible Firmware Interface
Unlock with Apple WatchSupported with macOS Sierra (Apple Watch (1st generation), Apple Watch Series 1, and Apple Watch Series 2)
macOS High Sierra or later (Apple Watch Series 3 or later)
Bundled SoftwaremacOS 10.12

Keyboard and Mouse

PeripheralsMagic Keyboard
Magic Mouse 2 or Magic Trackpad 2


Maximum Continuous Power205 W
Line Voltage100-240 V AC

Apple Support – iMac (Retina 4K, 21.5-inch, 2017): Technical Specifications

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