MikroTik hEX RB750Gr3 Turquoise, White | Wired Router with 5x RJ45 1000Mb/s & USB Port

Overview

The MikroTik hEX RB750Gr3 is a compact, high‑performance wired router designed for small office and home office (SOHO) environments. It delivers five Gigabit Ethernet ports, a single USB 2.0 interface, and runs MikroTik’s RouterOS Level 4 license, providing advanced routing, firewall, VPN, and network management features.

Key Design Features

• Compact Form Factor: The device measures 160 mm × 140 mm × 30 mm, making it easy to mount on a desk or wall without consuming valuable space.
• Durable Construction: Built with an aluminium chassis that offers robust protection against dust and minor impacts, ensuring reliable operation in typical office settings.
• Power Options: Powered via a standard DC input (12 V) or through the USB port for simple deployment on laptops or power‑over‑USB hubs.
• Cooling Design: Integrated heat sink and passive cooling keep internal temperatures stable even under continuous load.

Hardware Specifications

Software and Licensing

The router ships with MikroTik RouterOS Level 4, which includes:

• Advanced routing protocols: OSPF, BGP, RIP, MPLS
• Firewall and NAT capabilities
• VPN support (IPSec, L2TP, PPTP, OpenVPN)
• QoS, bandwidth management, and traffic shaping
• Comprehensive monitoring tools (SNMP, NetFlow, RADIUS)
• Web‑based configuration interface and command‑line access via SSH/Telnet

Performance Highlights

The dual‑core 880 MHz processor combined with 256 MB RAM allows the RB750Gr3 to handle high‑throughput routing tasks while maintaining low latency. The device supports:

• Full‑duplex Gigabit Ethernet on all ports, enabling simultaneous upstream and downstream traffic.
• Jumbo Frames (up to 9 K), improving efficiency for large packet transfers such as file sharing or backup operations.
• Support for IPv6 and IPv4/IPv6 dual‑stack configurations, ensuring future‑proof connectivity.
• Robust firewall filtering with stateful inspection, protecting the network from external threats.

Connectivity Options

The RB750Gr3 offers a range of connectivity features that make it versatile for various deployment scenarios:

• USB 2.0 Host Port: Connect USB storage devices, printers, or even a USB‑powered modem.
• MicroSD Card Slot: Store backup configurations or additional scripts.
• Power Over Ethernet (PoE): Power the router directly from a PoE injector or switch, simplifying cabling in office environments.
• Serial Console Port (via USB-to-serial adapter): For low‑level troubleshooting and recovery.

Use Cases

The MikroTik hEX RB750Gr3 is ideal for:

• Small Office Networks: Providing a single device that handles routing, firewalling, VPN, and network management.
Home Office Setups: Delivering reliable wired connectivity with advanced security features without the need for a separate firewall appliance.
• Edge Routing in Branch Offices: Acting as an edge router that connects to a central data center via WAN links while managing local LAN traffic.
• Educational Institutions: Offering a cost‑effective solution for labs or classrooms where wired connectivity is preferred.

Installation and Setup

Setting up the RB750Gr3 is straightforward:

1. Connect Power: Attach the supplied DC adapter or connect via PoE.
2. Attach Ethernet Cables: Plug your WAN cable into any of the five Gigabit ports; the remaining ports serve as LAN interfaces.
3. Access Web Interface: Open a browser and navigate to 192.168.88.1. The default credentials are admin/no password.
4. Run RouterOS Setup Wizard: Configure basic settings such as IP addresses, DHCP server, and wireless (if using a separate access point).
5. Apply Advanced Configurations: Use the CLI or web interface to enable VPNs, firewall rules, QoS policies, or integrate with existing network infrastructure.

Security Features

The RB750Gr3 incorporates multiple layers of security:

• Integrated Firewall with stateful packet inspection and NAT support.
• Support for IPSec, L2TP, PPTP, OpenVPN to create secure remote access tunnels.
• Built‑in SSH/Telnet access with optional two‑factor authentication.
• Regular firmware updates via RouterOS Level 4 ensure protection against emerging vulnerabilities.

Power Management and Efficiency

The device is designed for energy efficiency:

• Low Power Consumption: Idle power draw is approximately 5 W, with a maximum of 9 W under full load.
• PoE Support: Allows the router to be powered from PoE injectors or switches, reducing cable clutter and enabling flexible placement.
• Thermal Monitoring: Built‑in temperature sensors trigger fanless cooling measures when necessary.

Compliance and Certifications

The RB750Gr3 meets international safety and environmental standards:

• CE, FCC, REACH & RoHS compliant.
• Designed to operate within a wide temperature range (-20 °C to +60 °C).
• Dust‑protected chassis with IP rating suitable for office environments.

Conclusion

The MikroTik hEX RB750Gr3 Turquoise, White delivers a powerful combination of performance, flexibility, and security in a compact form factor. Its five Gigabit Ethernet ports, PoE capability, and full RouterOS Level 4 support make it an excellent choice for any small office or home office network that requires robust routing and advanced networking features without the complexity of larger enterprise appliances.