Cisco

Cisco SX550X-52-K9-AU | 48x 10GBase-T | 4x 10G SFP+ uplinks (dedicated) | non-PoE | 1x 1G mgmt | stackable L3 | no license

Cisco SX550X-52-K9-AU | 48x 10GBase-T | 4x 10G SFP+ uplinks (dedicated) | non-PoE | 1x 1G mgmt | stackable L3 | no license

SKU:SX550X-52-K9-AU

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Description

Ultra‑dense 10GbE SMB aggregation switch with 48x 10GBase‑T and 4x dedicated 10G SFP+ uplinks for high‑throughput core/edge designs. Provides line‑rate L2 switching, L3 static routing, robust QoS, and security with multi‑unit stacking for simplified scaling.

Features

- High-density 48 x 10GbE copper for large server/access deployments
- 4 dedicated 10G SFP+ uplinks for flexible fiber core connectivity
- Line‑rate performance with comprehensive L2 and L3 static routing
- Scalable architecture with physical stacking
- Enterprise‑grade QoS and security controls

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Are the SFP+ ports shared with copper ports?
A: No. The four SFP+ uplinks are dedicated on this model.

Q: Does it require feature licenses?
A: No, it operates without additional licensing tiers.

Q: Can the 10GBase‑T ports interoperate at 1G?
A: Yes, they support 1G and 10G auto‑negotiation.

Q: Is stacking supported?
A: Yes, it supports physical stacking for simplified management and redundancy.

Technical Specifications

- Downlink ports: 48 x 10GBase‑T (RJ‑45)
- Uplinks: 4 x 10G SFP+ (dedicated)
- Management: 1 x 10/100/1000 RJ‑45 out‑of‑band
- PoE: None (non‑PoE model)
- Layering: L2 switching with L3 static routing
- Stacking: Multi‑unit physical stacking supported
- Security: 802.1X, ACLs, DHCP snooping, port security
- QoS: Advanced traffic prioritization and shaping
- Jumbo frames: Supported for 10GbE workloads
- Transceiver support: SFP+ SR/LR and DAC/AOC

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