The Altronix SMP3EK1 is an OEM power supply charger designed for use with Altronix products. This power module is gray in color and is specifically designed to provide power and charge capabilities for various devices. The SMP3EK1 model offers reliable and efficient power supply for use in computer systems, networking equipment, and other electronic devices. With the trusted Altronix brand, this power supply is a reliable choice for maintaining the functionality of your systems.