Processor: 3.1 GHz quad-core Intel Core i5 processor.Screen Size: 21.5 ‑ inch (diagonal) LED‑backlit Retina 4K display.Ive upgraded the RAM in all my previous iMacs (the original mid 80s Macintosh, the Blue iMac, and the 2010 iMac) so it makes sense to do the same with the 27'iMac.

The RAM in the 27-Inch models is designed to be upgraded easily, but even upgrading the RAM is an arduous process for the 21.5-Inch models in the 'Late 2012,' 'Early 2013,' 'Late 2013,' 'Mid-2017' and '2019. A1TB hard drive sounds great, but with a 500 GB SSD it looks like I can use an external 1TB SSD drive to store larger files off of the internal drive. Type/Model Number: iMac Retina: MK452LL/A Officially, Apple does not consider the hard drive and/or SSD module in any of the 'Tapered Edge' Aluminum iMac models to be upgradable.And it comes standard with 8GB memory, a 1TB hard drive, and advanced, high-speed I/O, including two Thunderbolt ports and four USB 3 ports. The stunning all-in-one iMac features a beautiful 21.5-inch widescreen display, quad-core Intel Core i5 processors and Intel Iris Pro graphics.

1tb hard drive for imac