The most compact and scalable small form factor computers that fit in most commercial and industrial application. The heavy duty aluminum casing design makes this series the most desirable computing device for rugged environment. It is the perfect selection for those who are looking for a small size, powerful, intelligent device that is low power consumption, rugged and easy to mount. The Expando series has an expansion slot for customer who wants to use their own card such as PCI, PCI express slot 1x, 4x, 16x.