Cisco Catalyst C9400-SUP-1XL-Y

The Cisco Catalyst C9400-SUP-1XL-Y (SKU: C9400-SUP-1XL-Y) is a high-performance supervisor for Catalyst 9400 modular chassis, delivering 240 Gbps per slot with integrated 256-bit MACsec encryption. Its uplink ports include 8x SFP28 10G/25G and 2x QSFP28 40G/100G, running IOS XE. It installs in 4U, 10U, or 13U chassis in an N+1 architecture without inter-chassis stacking.

The distinguishing feature of the C9400-SUP-1XL-Y lies in its combination of 25G SFP28 and 100G QSFP28 uplink ports with hardware MACsec — a key advantage for secure network cores handling encrypted traffic flows at scale. It differentiates itself from the C9400-SUP-1XL through its 25G SFP28 interfaces (versus 10G) and native MACsec support. Genuine Cisco hardware, manufacturer warranty.