Allied Telesis x550-18XSQ Layer 3 Stackable 10G/40G Managed Switch

The Allied Telesis x550-18XSQ is a high-performance, stackable Layer 3 switch designed to meet the demands of modern enterprise networks and data centers. Featuring 16 x 10 Gigabit SFP+ slots and 2 x 40 Gigabit QSFP uplinks, this modular switch delivers resilient and scalable connectivity with Vista Manager™ EX and AMF for intelligent automation and simplified management. Built for reliability, the x550-18XSQ supports VCStack™ and EPSRing™ technologies for fault-tolerant network design and high-speed recovery. With a power-efficient 111W draw, a rack-mountable chassis, and full TAA compliance, it’s the perfect choice for secure, high-availability deployments in government and enterprise networks. Category Specification Product Model AT-x550-18XSQ Manufacturer Part Number ATX55018XSQ90 Product Type Layer 3 Stackable Managed Switch Form Factor Rack-mountable (1U) Ports 16 x 10G SFP+, 2 x 40G QSFP Expansion Slots 18 total expansion slots Stacking Support Yes (VCStack™)