The ultra compact Mac mini with 1.4GHz Intel Core i5 (with Turbo Boost to 2.7Ghz), 4Gb memory, 500Gb hard drive (5400rpm) and integrated Intel HD Graphics 5000. It sports the new Thunderbolt dual pipe connection for two 10-Gbps channels for data transfer – thats up to 12 times faster than Firewire 800 and twenty times faster than USB2. Not just speed but incredible expansion – you can daisy chain 6 Thunderbolt devices. The Intel Core- i5 processor is literally twice the speed of the previous Mac mini. It comes with the very latest operating system – the Mac OSX 10.10 – Yosemite. The 4Gb memory is easily upgraded to up to 16Gb via a twist and enter base panel. Connections: power, Gigabit ethernet, FireWire 800, HDMI, Now 2 xThunderbolt Ports !, 4 x USB-3 slots, SDXC Slot and Audio in and Audio out and has internal WiFi and Bluetooth as standard. Will work with most keyboards and mouses – you can probably use the one you have.