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40G QSFP+ to 4 SFP+ Copper Breakout Cable

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Precision Engineered for Peak Performance and Exceptional Network Reliability

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Categories: Compatible: Alcatel-lucentAvagoCheck PointF5 NetworksAlcatel-lucentApresiaAristaAvagoBrocadeCheck-pointCiscoD-linkDellExtremeF5-networksFortinetGenericGigamonH3cHpeHwIbmIntelJuniperMellanox

  • Technical Specification: 40 G QSFP+ to 4 × SFP+ Passive Copper Breakout Cable

    Product Overview

    A cost-effective, ultra-low-latency passive Twinax copper breakout cable with a single QSFP+ (Quad SFP+) connector on one end that splits into four individual SFP+ connectors on the other. Optimized for short-reach, high-density data center interconnects at 10 Gbps per lane using 40 Gbps QSFP+ ports.

    Key Features

    • Cable Type: Passive Twinax DAC (Direct Attach Cable) with breakout design
    • Connector A: QSFP+ (SFF‑8436)
    • Connector B: Four SFP+ (SFF‑8431)
    • Data Rate: Up to 40 Gbps (aggregate) – 4 × 10 Gbps lanes
    • Supported Protocols: 40GBASE‑CR4, 10G Ethernet, InfiniBand QDR, DDR, SDR, Fibre Channel
    • Lengths Available: 0.5 m to 5 m (e.g., 0.5, 1, 2, 3, 5 m)
    • Wire Gauge (AWG): 30 AWG for shorter lengths; 28 AWG or 26 AWG for longer runs
    • Maximum Reach: Up to 5 m (passive)
    • Power Consumption: Very low; around 0.02 W typical
    • Minimum Bend Radius: Typically ~44 mm+ for composite cable assemblies
    • Operating Temperature: 0 °C to 70 °C standard; industrial versions may support wider ranges.
    • Performance Standards: Compliant with IEEE 802.3ba, QSFP+ MSA, SFP+ MSA, RoHS, CE.
    • Digital Monitoring (DDM/DOM): Support varies by variant; some models support it.

    Performance & Specifications

    Parameter Specification
    Data Rate Up to 40 Gbps aggregated (4 × 10 Gbps lanes)
    Supported Link Types 40GBASE‑CR4, 10GBASE Ethernet, QDR/DDR/SDR InfiniBand, Fiber Channel
    Cable Lengths 0.5 m to 5 m
    Conductor Gauge AWG 30 (short), 28/26 (longer)
    Latency Ultra-low (passive copper)
    Power Consumption ~0.02 W
    Bend Radius ≥ ~44 mm
    Operating Temperature 0 °C to 70 °C (standard)
    Compliance Standards IEEE 802.3ba, QSFP+/SFP+ MSA, RoHS, CE
    DDM/DOM Support Available on select models

    Applications

    • High-density top-of-rack or intra-rack switches using QSFP+ ports
    • Breakout for legacy 10G SFP+ ports on servers or switches
    • Cost-conscious, low-latency 40G→4×10G deployments
    • InfiniBand and Fibre Channel backward-compatible interconnects in clustered environments

    Why Choose Swedish Telecom Opto?

    ✅ European-based support & logistics
    ✅ Full multi-vendor compatibility
    ✅ Extensive QA testing with performance reports
    ✅ Customized stock for projects and repeat supply
    ✅ 100% verified and coded
    ✅ Lower cost – no brand tax
    ✅ Trusted since 2004

    Need a Quote or Sample?

    This module is available in volume or with custom tuning.

    👉 Request a quote or contact our optical team today:
    📧 sales@swedishtelecomopto.com

     

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