4th Generation Intel® Celeron J1900 Processor up to 2.42 GHz with 4GB DDR3L Memory 2 x GbE,4 x USB 2.0 and 1 x USB 3.0, 2 x RS232 , 2 x RS-232/422/485 (J3AE) 1 x VGA, 1 x HDMI, Audio Comprehensive Palm, Small, Regular-size form-factor Compact with Fanless Design Rubber Stopper Design with Captive Screw Diverse system IO and Isolated Digital IO by iDoor Technology Optional 3G/GPS/GPRS/Wi-Fi Communication by iDoor Technology optional Supports MRAM by iDoor Technology Chassis Grounding Protection LAN Redundancy (Teaming) Fault-Protected RS-485 Transceivers With Extended Common-Mode Range