Cisco C9550 Series Smart Switches Hardware Installation Guide

Switch models

Updated: July 17, 2026

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Provides detailed information about each switch model of the C9550 Series Smart switches.

The Cisco C9550 Series Smart switch models are of two types.

1RU models
- C9550-24L4CD
- C9550-48L4CD
2RU models
- C9550-96L4D

This section provides information about the different stock keeping units (SKUs) of Cisco C9550 Series Smart switches.

Table 1. Cisco C9550 series switches models and descriptions
Switch model	Description
C9550-24L4CD	24 x 50/25/10/1G as downlink ports 4 x QSFP-DD ports that can support 40G/100G/400G 2 power supply slots 5 fan trays Optional SSD storage of up to 960 GB capacity
C9550-48L4CD	48 x 50/25/10/1G as downlink ports 4 x QSFP-DD ports that can support 40G/100G/400G 2 power supply slots 5 fan trays Optional SSD storage of up to 960 GB capacity
C9550-96L4D	96 x SFP56 ports of 50/25/10/1G as downlink ports 4 x QSFP-DD ports that can support 40G/100G/400G 2 power supply slots 3 fan trays Optional SSD storage of up to 960 GB capacity

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