The Zotac OI520

The orb-shape makes the ZOTAC ZBOX Sphere OI520 series the easiest mini-PC to customize. Simply twist the top of the ZBOX Sphere OI520 to gain access to the DDR3 SO-DIMM slot, 2.5-inch HDD drive bay and mSATA SSD slot to install or upgrade your components.

More information: http://www.zotac.com/en/products/mini-pcs/o-series/product/o-series/detail/zbox-oi520/