Ubiquiti EdgeRouter 4 (ER-4) Enhance your network with the Ubiquiti EdgeRouter 4 (ER-4), a fanless router powered by a four-core, 1 GHz MIPS64 processor. Featuring 3 Gigabit RJ45 ports, 1 Gbps SFP port, and 1 GB DDR3 RAM, this compact device delivers robust routing performance with advanced ESD protection and a silent design, ideal for small to medium-sized networks. Key Features Powerful Processing: Four-core 1 GHz MIPS64 CPU with 1 GB DDR3 RAM for efficient routing. Versatile Ports: (3) 10/100/1000 RJ45 ports and (1) 1 Gbps SFP port for flexible connectivity. Fanless Design: Silent operation with internal AC/DC power adapter. Compact Build: Measures 229 x 136.5 x 31.1 mm, weighing 795 g, perfect for space-constrained setups. ESD Protection: ±24 kV air and contact protection for durability in harsh environments. Management Options: RJ45 serial port and Ethernet-based management with LED indicators. Universal Power: Supports 100-240V AC with a max consumption of 13W. Technical Specifications Specification Details Model ER-4 Dimensions 229 x 136.5 x 31.1 mm (9 x 5.4 x 1.2") Weight 795 g (1.8 lb) Processor 4-core 1 GHz MIPS64 System Memory 1 GB DDR3 RAM On-board Flash Storage 4 GB eMMC, 8 MB SPI NOR Networking Interface (3) 10/100/1000 RJ45 ports; (1) 1 Gbps SFP port Management Interface (1) RJ45 serial port; (4) Ethernet ports Power Method Universal AC power cord (C13), 30W, DC, 50/60 Hz Power Supply Internal AC/DC power adapter Supported Voltage Range 100-240V AC Max. Power Consumption 13W ESD/EMP Protection Air: ± 24 kV, Contact: ± 24 kV Button Factory reset LEDs Data ports: Speed/Link/Activity; SFP data port: Link/Activity Ambient Operating Temperature -10 to 50° C (14 to 122° F) Ambient Operating Humidity 10 to 90% noncondensing Certifications CE, FCC, IC