If you put privacy and security before anything else when using a computer, then you will want to check out Purism Librem Mini. Librem Mini is a small form-factor mini-PC and the most accessible Librem thus far with PureOS, PureBoot (core boot +Heads) and Librem Key support.
With PureOS and PureBoot, Intel Management Engine is disabled and neutralized, detect hardware and software tampering, and have full disk encryption.
Plus, it will benefit from free, private, secure and not to mention stability offered by GNU/Linux.
Measuring just 12.8 x 12.8 x 3.8 centimeters (5 x 5 x 1.5 inches) and weighing mere 2.2 lbs (1 kilogram), the Librem Mini is smaller than a Mac mini and it is powered by the new 8th-generation i7 quadcore processor, with up to 64 GB DDR4 RAM and a highly configuration storage option (SATA III, M.2 PCIe 3.0 x 4).
Other details include Intel UHD Graphics 620, Gigabit Ethernet LAN (RJ45), optional WiFi Atheros ATH9K Module, optional Ar3k Bluetooth 4.0, and a host of I/Os, including 1x HDMI 2.0 that supports, 1x DisplayPort 1.2, 4x USB 3.0, 2x USB 2.0, 1x USB Type C (3.1), and 3.5 mm audio jack.
Purism Librem Mini is totally suited as a home or office desktop, as a media center, and it can also assume the task as a mini server as well as to power digital signage for conferences and events, for examples.
Purism has chosen to embark on a self-hosted crowdfunding campaign where you can pre-order a unit for a starting price of $699. Purism will start shipping a month after reaching the pre-order goal.