The CRS305-1G-4S+IN is a powerful and compact switch designed for small to medium-sized networks. The device is built on ARM 32bit architecture and powered by a 98DX3236 CPU with a clock speed of 800 MHz. With one 10/100/1000 Ethernet port and four SFP+ ports, the CRS305-1G-4S+IN is ideal for connecting various devices and establishing network connections. It comes with a RouterOS license of 5 and can also be used with SwitchOS. The device has a sizeable 512 MB of RAM and 16 MB of Flash storage. The CRS305-1G-4S+IN is designed to withstand temperatures ranging from -40°C to 70°C and has an MTBF of approximately 200'000 hours at 25C. The device comes with certification from CE, EAC, ROHS and has an IP20 rating for dust and debris protection, and comes with three DC inputs, including DC jack and PoE-IN. The CRS305-1G-4S+IN consumes a maximum power of 18W and can operate without attachments at a maximum power consumption of 10W. The device has a passive cooling system and can also be used with PoE in input voltages ranging from 12-57 V. With an integrated CPU temperature monitor, the CRS305-1G-4S+IN ensures optimal performance and longevity with advanced network security and control features.