With 4x10/100/1000BaseT(X) ports, and 1x1000BaseX SFP slot i505A Full Gigabit Unmanaged Industrial Ethernet Switches are equipped with 5 Gigabit Ethernet ports, and up to 1 fiber optic port, making them ideal for applications that demand high bandwidth. No fan, low power consumption design, working function more steady, and no packet lost in 72 hours full load traffic testing. It accords with FCC, CE standard and industrial design requirement. It can work in -40 to 75C working temperature steadily, and provide reliable and quick solution for your Ethernet device.