What is the CRS326-4C+20G+2Q+RM?

The CRS326-4C+20G+2Q+RM is a high-end switch from MikroTik’s Cloud Router Switch line, based on a Marvell Prestera (98DX8332) chip with a dedicated CPU. Unlike purely Layer 2 switches, this model supports advanced features such as VLANs, Jumbo frames, link aggregation, ACL rules, and Layer 3 routing, managed by the RouterOS v7 operating system with a level 6 license. It was designed to replace more expensive solutions in scenarios where speed and port density are critical, such as post-production studios or corporate sites with many devices connected via Ethernet.

What are the main technical features?

The key specifications of the CRS326-4C+20G+2Q+RM include:

  • Ethernet ports: 20 2.5 Gigabit Ethernet ports.
  • Combo ports: 4 ports configurable as 2.5 Gigabit Ethernet or SFP+ 10G.
  • Fiber ports: 2 QSFP+ slots at 40 Gbps for ultra-fast fiber connectivity.
  • Management port: 1 dedicated 100 Mbps Ethernet port.
  • CPU and Memory: QCA9531 CPU at 650 MHz (MIPSBE architecture, 1 core), 128 MB DDR2 RAM, and 32 MB NAND storage.
  • Power supply: Redundant dual AC power supply (100-240 V), with a maximum power consumption of 70 W.
  • Dimensions: 443 x 258 x 44 mm, compatible with standard 19-inch racks.
  • Operating temperature: From -20°C to +60°C.

Who is it for and in which scenarios does it make sense?

This switch is intended for network administrators and professionals managing high data flows, such as video editing studios, multimedia production environments, or offices with many high-speed workstations. The combination of 2.5G ports for endpoint devices and QSFP+ slots for connecting to NAS or storage servers allows you to create a wire-speed internal network without bottlenecks. It is particularly useful when rack space is limited but high-density connectivity and power redundancy are required.

What to know before choosing it?

Before purchasing, it is important to consider that the link between the switch chip and the CPU operates at 1 Gbps, which may limit performance if you run intensive Layer 3 routing with high traffic volumes. Additionally, the 128 MB of RAM and 32 MB of storage are sufficient for basic switching and routing functions but do not support extreme session loads or complex configurations. The power supply requires two separate AC cables to utilize redundancy, and the maximum power consumption of 70 W must be taken into account when designing the rack’s electrical infrastructure.

Frequently asked questions

Does the CRS326-4C+20G+2Q+RM support Layer 3 routing?

Yes, the MikroTik CRS326-4C+20G+2Q+RM supports Layer 3 routing thanks to the Marvell Prestera chip and the level 6 RouterOS v7 license. This allows you to manage IP interfaces, VLANs, and routing rules directly on the switch.

How many QSFP+ slots does the CRS326-4C+20G+2Q+RM have?

The device features two 40 Gbps QSFP+ slots. These slots are ideal for high-speed fiber connections to NAS servers or editing stations, providing high aggregated bandwidth for transferring large files.

Is the power supply of the CRS326-4C+20G+2Q+RM redundant?

Yes, the MikroTik CRS326-4C+20G+2Q+RM is equipped with two independent AC inputs. This configuration allows for redundant power supply, improving device reliability in critical environments where operational continuity is essential.

What type of combo ports does the CRS326-4C+20G+2Q+RM offer?

The switch includes 4 combo ports that can be configured as 2.5 Gigabit Ethernet ports or as 10 Gbps SFP+ interfaces. This flexibility allows you to adapt connectivity to the specific needs of connected devices, whether via copper cable or optical fiber.

Learn more on the MikroTik website: CRS326-4C+20G+2Q+RM page and official datasheet (PDF).