KBox IPCs can be upgraded with industrial I/Os, fieldbusses, and/or industrial Ethernet interfaces as needed. Along with Intel® Core™ i5/i7 CPUs, fanless KBox C-101 variants come with embedded Celeron CPU 2002E as well as 10 ms hold-up time. Ultra-compact variant KBox C-101-0, without PCIe slots at front, has internal SATA port for HDD/SSD, 2 internal mSATA slots, and 3 mini PCIe slots as well as several I/O options. KBox C-101-1 offers PCIe x4 extension slot and optional removable SSD/HDD.