WEBS-5481-S, Fan-less Box PC and Entry-Level High-End System With Haswell ULT SoC (2014.11.12) Portwell Inc., announces the modernized WEBS-5481-S, a high performance and low power Box PC system with rugged fan-less design, powered by the mobile 4th generation Intel Core ULT (ultra low TDP) SoC (system on chip) processor (formerly codenamed Haswell)