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Mikrotik hEX RB750Gr3 5-port Ethernet Gigabit Router
Key Features
Brand: MikroTik
Dynamic routing protocols (OSPF, BGP, RIP)
Firewall filtering and security
VPN support (PPTP, L2TP, OpenVPN, IPsec)
Bandwidth control and traffic prioritization
DHCP server and NAT configuration
1 Year Warranty
MikroTik hEX 5-port Ethernet Gigabit Router (RB750Gr3) Review
The MikroTik hEX 5-port Ethernet Gigabit Router (RB750Gr3) is a highly compact, affordable, and remarkably powerful wired router designed for small businesses, home offices, and dedicated network labs. Despite its unassuming, pocket-sized plastic enclosure, it packs modern hardware capabilities capable of orchestrating complex network topologies that typically require expensive, enterprise-grade gear.
Driven by the versatile RouterOS operating system, the hEX delivers exceptional value, stable routing throughput, and comprehensive software control without the ongoing subscription costs associated with corporate competitors.
Compact Hardware Architecture & Processing Power
At the absolute center of the MikroTik hEX 5-port Ethernet Gigabit Router is a dual-core, four-thread MT7621A MIPSBE CPU operating at 880 MHz. This efficient processor is paired with 256 MB of RAM and a micro-SD slot for expanded internal logs or caching applications.
The physical configuration is optimized for high-speed small-office utility:
- 5x Gigabit Ethernet Ports: Providing full line-rate Gigabit routing across all interfaces when properly configured.
- Hardware IPsec Acceleration: Supports full cryptographic hardware offloading (~470 Mbps maximum throughput), ensuring secure VPN tunnels don’t choke the CPU.
- USB 2.0 Type-A Port: Allows network administrators to attach 4G/LTE USB modems for WAN failover or plug in external storage drives.
- microSD Card Slot: Ideal for running additional databases, hosting local scripts, or storing historical Dude monitoring server logs.
Technical Specifications Checklist
For network layout blueprints and deployment engineering, hardware precision matters. Below is the official technical configuration of the RB750Gr3:
| Feature | Specification Details |
|---|---|
| Product Code | RB750Gr3 |
| CPU Architecture | MMIPS (Dual-Core 880 MHz, 4 Threads) |
| Memory & Storage | 256 MB RAM / 16 MB Flash (Expandable via microSD) |
| Ethernet Interfaces | 5x 10/100/1000 Mbps RJ45 Ports |
| Operating System | RouterOS (Level 4 License) |
| Power Inputs | Dual Redundancy (DC Jack & Passive PoE-In 8-30V) |
| Hardware Encryption | IPsec offloading fully supported |
| Physical Dimensions | 113 mm x 89 mm x 28 mm |
Advanced Capabilities with RouterOS v7
Operating under a Level 4 RouterOS license, the hEX provides access to an extensive collection of enterprise routing protocols and management tools without complex artificial paywalls.
Traffic Control & Firewalling
Administrators can deploy robust, object-oriented stateful firewalls, customize complex NAT rule maps, and balance workloads across multiple internet service providers (Multi-WAN Load Balancing). Advanced queue strategies like FQ-CoDel or CAKE can be established to mitigate bufferbloat during heavy traffic spikes.
Secure VPN Deployments
With native support for high-efficiency protocols like WireGuard, OpenVPN, and IPsec, building secure site-to-site bridges or configuring remote-access pathways for telecommuters remains fast, secure, and low on latency.
Key Limitations to Consider Before Buying
While the hEX delivers unmatched value for its size, keep these physical parameters in mind during deployment planning:
- Wired-Only Form Factor: The hEX has no integrated Wi-Fi radios. Wireless networking will require independent access points plugged into its downstream ports.
- No PoE Passthrough Out: The router can be powered via Passive PoE-In on Port 1, but it does not supply PoE power to downstream devices like IP cameras or access points.
- Memory Footprint: The 256 MB of RAM is plenty for routing, basic firewalls, and small offices, but it is not built to hold full global BGP internet routing tables.
Frequently Asked Questions (FAQ)
Q: Can the MikroTik hEX RB750Gr3 handle a 1 Gbps internet connection?
A: Yes, it can route near line-rate Gigabit traffic provided your configuration avoids heavy CPU-bound processes. Simple fasttrack firewall paths allow it to achieve ~1 Gbps total throughput easily.
A: Yes, it can route near line-rate Gigabit traffic provided your configuration avoids heavy CPU-bound processes. Simple fasttrack firewall paths allow it to achieve ~1 Gbps total throughput easily.
