Designed without a fan for harsh environmental conditions, the BoxPC S3 with Intel Core i CPU (Celeron or i5 of the Haswell generation, TDP 15W) is the workhorse among the x64 industrial PCs. A CFast card and the RTC buffer battery can be changed from the outside.
Two of the four Gigabit Ethernet controllers can be used for redundant Sercos masters. The generously dimensioned device heat sink enables use even at high ambient temperatures. An internal power failure detection offers the chance to save important data.