HPE 

S5T55A HPE NW CW SW 48F 4Y 1-SLOT 5550HI

Mfg Part Number:  S5T55A  
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Price: $18,569.64
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In Stock/Mfg Direct Ship
Last Updated: Mar 07, 2026
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The HPE Networking Comware Switch Series 5550 HI is a family of stackable L3 access and aggregation switches powered by Comware delivering the performance, resiliency and flexibility for medium and large enterprise.

Equipped with 36 and 48 MACsec-256 enabled 1G copper, fiber and combo ports, 4 built in 10/25G SFP28 uplinks, dual hot swappable power supply and fan trays, the 5550 HI also has one built-in expansion slots for the cross platform network modules used in the Comware 5000 series. The platform supports high density 90W PoE (802.3bt) per port, high performance IP routing and MPLS. Intelligent Resilient Fabric (IRF) stacking up to 9 members adds scale and high availability while Intelligent Network Quality Analyzer (iNQA) supports real-time visibility into network health and performance.

In addition HPE IMC for centralized management, the 5550 HI comes with the built-in embedded management system SmartMC for configuration, visibility and monitoring at no additional cost.

Features | Scalable, High-Performance L3 Access Switches

The HPE Networking Comware Switch Series 5550 HI provides medium and large enterprise networks with faster CPU, increased memory, flash and packet buffer, up to 744 Gpbs bandwidth, 128K MAC table, improved ARP, ACL, IPv4/v6 unicast and multicast scale, and MPLS LSP scale.

Improved non-blocking bandwidth and throughput: 744 Gbps of switching capacity and 553 Mpps of forwarding for powerful performance. Scales up to 9 members with Intelligent Resilient Fabric (IRF) stacking.

Expanded the uplink speed to 2x100G via expansion modules.

Improved MPLS LSP scale, comprehensive MPLS support (L3 MPLS VPN, VPLS, EoMPLS, MPLSoGRE) for use as MPLS CE, VXLAN and EVPN.

Support containerization for application hosting.

Resilient and Highly Available Access Networking

The HPE Networking Comware Switch Series 5550 HI uses Intelligent Resilient Framework (IRF) that supports virtualization of up to 9 physical switches into one logical device for simpler, flatter, and more agile networks.

Delivers outstanding resiliency, security, and multiservice support capabilities for traditional large enterprise networks. It supports advanced technologies such as OAM, RRPP, BFD, Multi-level QoS, MPLS, and VPLS.

Dual, redundant, hot-swappable power supplies maintain a dynamic network that delivers up to 2870 watts of industry standard 802.3bt PoE for powered cameras, phones, and wireless access points.

Supports Virtual Routing Redundancy Protocol (VRRP) and mLAG for link redundancy.

Virtual Extensible LAN (VXLAN) and Ethernet VPN (EVPN) allow greater flexibility to integrate into existing networks, better scalability without redesigning the underlay network, enhanced security to restrict attacks, and improved performance specially in spine-leaf architectures.

Security with Comprehensive Control

The HPE Networking Comware Switch Series 5550 HI supports flexible authentication methods like 802.1X, MAC Authentication and Encryption for greater device security and policy-driven application authentication. Per-user Access Control Lists (ACLs) provide identity-driven security and access control.

Dynamic ARP protection with functions such as ARP Detection and ARP packet validation blocks broadcast from unauthorized hosts and prevents eavesdropping or theft of network data.

Supports industry-standard MACsec 256 encryption for end-to-end data link layer security, providing increased MAC port binding and link group capacity.

Main Specification
General Information
Manufacturer Hewlett Packard Enterprise
Manufacturer Part Number S5T55A
Manufacturer Website Address http://www.hpe.com
Brand Name HPE
Product Line Comware
Product Series 5550 HI
Product Name Comware 5550 HI Ethernet Switch
Product Type Ethernet Switch
Technical Information
Features Access Control List
Features Hot-swappable
Interfaces/Ports
Uplink Port Yes
Port/Expansion Slot Details 48 x Gigabit Ethernet Expansion Slot
Port/Expansion Slot Details 4 x 25 Gigabit Ethernet Expansion Slot
Media & Performance
Media Type Supported Optical Fiber
Ethernet Technology 25 Gigabit Ethernet
Ethernet Technology Gigabit Ethernet
Network Technology 25GBase-X
Network Technology 1000Base-X
Maximum Data Transfer Rate 3.13 GB/s
I/O Expansions
Total Number of Expansion Slots 52
Expansion Slot Type SFP (mini-GBIC)
Expansion Slot Type SFP28
Number of SFP Slots 48
Network & Communication
Layer Supported 3
Networking Standards IEEE 802.1x
Management & Protocols
Manageable Yes
Power Description
Input Voltage -72 V DC
Input Voltage 230 V AC
Input Voltage 120 V AC
Input Voltage -36 V DC
Power Source AC/DC
Power Source Power Supply
Redundant Power Supply Supported Yes
Number of Power Supplies Supported 2
Power Consumption 140 W
Miscellaneous
Application/Usage Network
Application/Usage Data Center
Application/Usage Business
Application/Usage Camera
Application/Usage Security
Application/Usage Wireless Access Point
Application/Usage Enterprise
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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