16GB of 1600 MHz LPDDR3 RAM and a 256GB Fusion Drive. Although these units require an optional monitor, they are powered by integrated Intel Iris Graphics. These mini-computers also support dual monitor displays at 2560 x 1600 pixels. Regardless of their small size, they contain a number of connectivity options, including two Thunderbolt 2 and four USB ports, a Gigabit Ethernet RJ-45 jack, and an HDMI terminal, along with an SDXC card slot for additional storage options. For networking, there is 802.11 ac Wi-Fi, backward compatible with 802.11 a/b/g/n, and Bluetooth 4.0 support.
It also includes an integrated speaker, audio line-in digital/analog minijack, audio line out/headphone minijack, and support for Apple iPhone headset with microphone.