The RB1100AHx4 is powered by an Annapurna Alpine AL21400 CPU with four ARM Cortex-A15 cores clocked at 1.4 GHz each, delivering a maximum throughput of up to 7.5 Gbps. This is the highest throughput figure of any device in MikroTik’s RouterBOARD router lineup — nearly double the RB5009’s routing performance in CPU-heavy configurations, and appropriate for ISP aggregation, large enterprise core routing, or any environment where the hEX and RB5009 family’s limits are a constraint.

Hardware IPsec — 2.2 Gbps with AES128

The RB1100AHx4 supports IPsec hardware acceleration at up to 2.2 Gbps with AES128 — the fastest IPsec throughput of any RouterBOARD device. For site-to-site VPN concentrators, encrypted ISP backbone links, or enterprise VPN aggregation at multi-gigabit speeds, this is the appropriate MikroTik platform. Compare with the RB5009’s hardware IPsec, which is capable but unspecified at this throughput level, or the hEX family’s 470 Mbps limit.

13 Gigabit Ethernet Ports

The unit provides 13 Gigabit Ethernet ports — all 10/100/1000 Mbps — with an RTL8367 switch chip for hardware-accelerated inter-port switching. Thirteen ports gives substantial flexibility for multi-WAN aggregation, multiple LAN segments, dedicated management interfaces, and inter-device links without needing an external switch at the routing layer.

Dual Redundant Power Supplies — AC and −48V DC Telecom

The RB1100AHx4 includes dual redundant power supplies with two IEC AC inputs and −48V DC telecom power support, as well as 802.3at/af PoE input. The −48V DC input is a carrier-grade feature — telco and ISP environments typically run DC power plants at −48V for reliability and battery backup compatibility. Having both AC and −48V DC inputs means the router can be powered from either or both simultaneously, with automatic failover between them. PoE-in on the first Ethernet port provides a third power path for deployments where neither AC nor DC supply is immediately available.

RouterOS Level 6 — The Top Licence

The device runs RouterOS Level 6 — the highest RouterOS licence tier, with no artificial limits on tunnels, BGP peers, OSPF adjacencies, hotspot users, or other features that are capped at lower licence levels. Level 6 is appropriate for ISPs running full BGP routing tables, large-scale OSPF deployments, multi-thousand-client hotspot environments, or any scenario where Level 5’s limits would otherwise become a constraint. Compared to the RB5009 (Level 5) and the hEX family (Level 4), the RB1100AHx4 removes all practical software limitations.

RS232 Console Port and microSD

A dedicated RS232 serial console port is included — essential for out-of-band management and recovery in production environments where network access to the router is unavailable. A microSD slot provides additional storage for logging, configuration backups, and Dude database use.

Key Highlights

• CPU: Annapurna Alpine AL21400 quad-core ARM Cortex-A15 @ 1.4 GHz | 4 threads
• RAM: 1 GB DDR | Storage: 128 MB NAND + microSD slot
• Switch chip: RTL8367
• Architecture: ARM 32-bit
• Max throughput: 7.5 Gbps
• IPsec hardware acceleration: Up to 2.2 Gbps (AES128)
• Ethernet ports: 13× Gigabit (10/100/1000 Mbps)
• RouterOS: Level 6 (pre-installed, lifetime updates) — highest tier, no feature caps
• Power: 2× IEC AC inputs (dual redundant) + −48V DC telecom input + 802.3at/af PoE-in (port 1)
• Console: RS232 serial port
• Storage expansion: microSD slot
• Form factor: 1U rack mount | 444 × 148 × 47 mm
• Operating temp: −40°C to +70°C
• MTBF: ~200,000 hours at 25°C

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