RAM-9911-AM - RAM 9000 Cellular RTU with, 4G LTE Default Generic North American carriers, two Ethernet ports
4 GB RAM for fitlet2 – fit IoT
Zopsc DDR2 4GB RAM 800MHz Memory Module for AMD CPU Stable Fast Data Transmission 240PIN for High Anti-Interference and Antistatic for Desktop Computer, Plug and Play at Amazon.com