Support for Target Display Mode via the Thunderbolt port using a Thunderbolt to Thunderbolt cable (sold separately).

Support for extended desktop and video mirroring modes.

Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display.

NVIDIA GeForce GTX 775M graphics processor with 2GB of GDDR5 memoryĬonfigurable to NVIDIA GeForce GTX 780M with 4GB of GDDR5 memory. NVIDIA GeForce GT 755M graphics processor with 1GB of GDDR5 memory

8GB (two 4GB) of 1600MHz DDR3 memory four user-accessible SO-DIMM slotsĬonfigurable to 3TB hard drive, 1TB or 3TB Fusion Drive, or 256GB, 512GB, or 1TB of flash storage.

27-inch (diagonal) LED-backlit display with IPS technology 2560-by-1440 resolution with support for millions of colorsģ.2GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.6GHz) with 6MB 元 cacheģ.4GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.8GHz) with 6MB 元 cacheĬonfigurable to 3.5GHz quad-core Intel Core i7 (Turbo Boost up to 3.9GHz).

Instead, upgrading to 16GB of memory has to be done at the point of ordering. Like the 27-inch iMac, the 21.5-inch has 8GB of memory as standard, but it lacks the user-accessible memory upgrade panel.

Again, there's a Core i7 option for online orders, this time running at 3.1GHz (up to 3.9GHz Turbo Boost). 8GB of DDR3 memory is included as standard, and can be either upgraded through Apple's own store to up to 32GB, or – by popping off the small hatch on the rear of the iMac – fitting your own choice of third-party memory.Īs for the 21.5-inch iMac, that kicks off with a 2.7GHz quadcore Core i5 (up to 3.2GHz Turbo Boost) with a 2.9GHz quadcore Core i5 (up to 3.6GHz Turbo Boost) in the higher performance model. Our review unit has been upgraded to the 3.5GHz quadcore Core i7 (up to 3.9GHz Turbo Boost), which is an order-only option.

The entry level 27-inch iMac has a 3.2GHz quadcore Core i5 (with up to 3.6GHz Turbo Boost) while the higher-performance preconfiguration has a 3.4GHz quadcore Core i5 (up to 3.8GHz Turbo Boost).

Imac 27 late 2013 specs