Apple iMac with Retina 5K display

The Apple iMac with Retina 5K display is an all-in-one computer which features a 27 inch display with a 5120 x 2880 pixel (5K) resolution, up to 3TB of internal storage, up to AMD Radeon R9 M295X in graphics, a Facetime HD camera for video calls, stereo speakers, and up to a 4.0GHz Intel Core i7 processor with up to 32GB of RAM.

The full Apple iMac with Retina 5K display specifications follow:

Announced	October 16, 2014
Release	October 2014
A.K.A.	iMac 27 with Retina
BUY	U.S.	Apple	BUY NOW
-
Size	Dimensions	51.6 x 65.0 x 20.3 cm (20.3 x 25.6 x 8.0 inches)
	Weight	9.54 kg (21 lbs)
Display	Type	IPS display
	Size	27 inches
	Resolution	5120 x 2880 pixels
	Features	-
Connectivity	WLAN	802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible
	LAN	10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
	Thunderbolt	Two Thunderbolt 2 ports; Mini DisplayPort output; Support for DVI, VGA, and dual-link DVI (adapters sold separately)
	Bluetooth	Bluetooth 4.0 wireless technology
	USB	-
	Others	Kensington lock slot
Camera	Front	FaceTime HD camera
		Features	video calling
		Video	-
Memory	Internal	1TB Fusion Drive
		Configurable to 3TB Fusion Drive or 256GB, 512GB, or 1TB of flash storage (SSD)
	External	SDXC card slot
	RAM	8GB (two 4GB) of 1600MHz DDR3 memory (four SO-DIMM slots, user accessible)
		Configurable to 16GB or 32GB
Hardware	CPU	3.5GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.9GHz)
		Configurable to 4.0GHz quad-core Intel Core i7 (Turbo Boost up to 4.4GHz).
	GPU	AMD Radeon R9 M290X graphics processor with 2GB of GDDR5 memory
		Configurable to AMD Radeon R9 M295X with 4GB of GDDR5 memory.
	Chipset	-
	Audio	3.5mm universal audio connector; Stereo speakers; Dual microphones
	Radio	-
	Video	Simultaneously supports full native resolution on the built-in display and up to 3840 by 2160 pixels on an external display; Support for extended desktop and video mirroring modes
	Navigation	GPS
	Sensors	accelerometer, proximity sensor
	Others	-
Design	All-in-One design
Colors	silver
Power	Line voltage	100-240V AC
	Frequency	50Hz to 60Hz, single phase
	Operating Temp.	50° to 95° F (10° to 35° C)
	Relative humidity	5% to 95% noncondensing
	Operating Altitude	tested up to 10,000 feet
-
Software	OS	Apple OS X (10.10) Yosemite
	Manufacturer	Apple apps and services; iWork; iLife
	Others	Mac App Store apps
-
Input	Apple Wireless Keyboard	Full-size keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement)
	Magic Mouse	Smooth, seamless Multi-Touch surface with support for simple gestures (scrolling and swiping). Click and double-click anywhere. Ambidextrous construction accommodates left- and right-handed users.
	Magic Trackpad	Glass Multi-Touch trackpad for precise cursor control; supports inertial scrolling, pinch and expand, swipe, three-finger swipe, four-finger swipe, tap, double-tap, rotate, screen zoom, scroll, click and drag, click drag and lock, secondary click A and B.
-
Links	Official Site