Powered by 1.91 GHz quad-core Intel® Atom™ E3845 with integrated chipset, ARC-1209 and ARC-1509 support 204-pin DDR3L 1,333 MHz SODIMM system memory with up to 8 GB capacity. Standard I/O includes USB 3.0, 3 USB 2.0, 2 COM, SATA II, Wi-Fi®, Mini PCIe supporting mSATA, 3 knockouts for antenna mounting, speak out, and 2 LAN ports supporting Intel I210IT. Other features include swappable 2.5 in. HDD and service window for memory. Multiple options are available.