This is the Apple 21.5″ iMac with Retina 4K Display (Early 2019) version that has a 4K resolution screen that is powered by Intel Core i5 processor with 8GB of memory and 256GB of solid-state drive capacity. It has two thunderbolt 3 type-C ports along with four USB-A ports. There is a built-in FaceTime HD camera on the top of the screen.

Technical Specifications

Brand: Apple
Model Number: MHK03LL/A
Year of Release: 2017
Color: Silver

Operating system: Mac OS
Memory: 8 GB DDR4-2133Mhz
Storage: 256 GB SSD

Processor: Intel® Core™ i5 (2.3 GHz base frequency, up to 3.6 GHz with Intel® Turbo Boost Technology)

Processor Family: 7th Generation Intel® Core™ i5 processor

Graphics Processor: Intel Iris Plus Graphics 640

Display: 21.5 Inches (54.61 cm) Retina 4K display, 4096 x 2304 resolution with support for one billion colors 500 nits brightness, Wide color (P3)

Integrated Webcam: FaceTime HD camera

Audio features: Stereo speakers Microphone | 3.5 mm headphone jack

Input

• Magic Keyboard
• Magic Mouse 2
• Configurable with Magic Keyboard with Numeric Keypad
• Configurable with Magic Trackpad 2

Ports:

• 3.5 mm headphone jack
• SDXC card slot
• 4x USB-A ports
• 2x Thunderbolt 3 (USB-C) ports with support for:
  • DisplayPort
  • Thunderbolt (up to 40Gb/s)
  • USB 3.1 Gen 2 (up to 10Gb/s)
  • Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separately)
• 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
• Kensington lock slot

Wireless: 802.11ac Wi-Fi wireless networking | IEEE 802.11a/b/g/n | Bluetooth 4.2
Wired Protocol:10/100/1000BASE-T Gigabit Ethernet

Electrical and Operating Requirements

• Line voltage: 100–240V AC
• Frequency: 50Hz to 60Hz, single phase
• Operating temperature: 50° to 95° F (10° to 35° C)
• Relative humidity: 5% to 90% non-condensing
• Operating altitude: tested up to 16,400 feet (5000 meters)

Dimensions (W x D x H): 52.8 cm x 17.5 cm x 45.0 cm

Weight: 5.48 kg (12.08 lbs)