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Cisco

Cisco SFP-50G-CU2M | 50G | SFP56 | 50GBASE-CR | passive copper | 2m | SFP56-to-SFP56

SKU:SFP-50G-CU2M

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Description

SFP56 50GbE direct-attach copper (DAC) twinax cable enabling low‑latency, low‑power links between SFP56 ports on switches, routers, and NICs. The 2‑meter length balances flexibility and tidy routing, and the LSZH jacket is suitable for regulated spaces that require low smoke and zero halogen materials. Ideal for top‑of‑rack and short interconnects.

Features

- 2m length for flexible top‑of‑rack routing
- LSZH jacket for low smoke, halogen‑free installations
- Low power, low latency passive copper design
- Plug‑and‑play SFP56 ends—no separate optics
- Cost‑effective 50G interconnect solution

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: Is this cable passive or active?
A: It is a passive twinax direct-attach copper (DAC) cable.

Q: Does it require separate optical transceivers?
A: No. The DAC integrates SFP56 connectors—no additional optics are needed.

Q: What is the maximum reach?
A: The reach is the cable length: 2 meters.

Q: Is the jacket LSZH?
A: Yes, this model uses an LSZH (Low Smoke Zero Halogen) jacket.

Q: Can it operate at 25G?
A: It is intended for 50G SFP56 ports. Some devices may support speed downshift; consult your device documentation.

Technical Specifications

- Data rate: 50GbE (50GBASE-CR, PAM4)
- Form factor: SFP56 on both ends
- Cable type: Passive twinax DAC (direct-attach copper)
- Length: 2 meters
- Jacket: LSZH (Low Smoke Zero Halogen)
- Interface compatibility: SFP56 50G ports on switches, routers, and NICs
- Power: Passive, ultra-low power and latency

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