Based on Bay Trail N2930 1.83 GHz and 4th Generation Core i5 processors, respectively, Models PC9215A and PC9215B are equipped with DDR-III SODIMM x 1 with 4 GB 800 MHz for storage, plus SATA HDD bay, RS-232, RS-232/422/485, 2 COM ports, and 2 USB ports. PCs feature 21.5 in. LCD resistive touchscreen with 1,920 x 1,080 resolution, 250 nit brightness, and 3,000:1 contrast ratio. Operating from 9~36 Vdc input, units have IP65 flat front bezel for protection from liquid and contaminants.