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Cisco

Cisco QSFP-100G-CU1.5M | 100G QSFP28 DAC | 100GBASE-CR4 passive twinax | 1.5m reach | QSFP28–QSFP28

SKU:QSFP-100G-CU1.5M

Stock Status: Enquire

Regular price $467.50 AUD
Regular price
$467.50 AUD
$467.50 AUD
Regular price
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Description

High-performance 100G direct-attach copper link for short-reach interconnects in leaf–spine and ToR deployments. This passive twinax QSFP28 to QSFP28 cable follows the 100GBASE-CR4 standard, delivering ultra-low latency and zero power draw for efficient, cost-effective connections up to 1.5 meters. Ideal for in-rack or adjacent-rack links where simplicity and reliability matter.

Features

- Zero-power, ultra-low-latency 100G interconnect
- Standards-based 100GBASE-CR4 for broad interoperability
- Durable twinax construction for reliable short-reach links
- Simplified deployment—no optics required
- Ideal for cost-effective in-rack and adjacent-rack connectivity

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 active or passive?
A: It is a passive twinax DAC. Ensure the host ports support passive DAC at the chosen length.

Q: Will it work with any QSFP28 100G port?
A: It is intended for MSA-compliant QSFP28 100G ports. Some platforms enforce vendor coding—verify compatibility for your device.

Q: What is the maximum reach for passive 100G DAC?
A: Passive QSFP28 DACs typically support up to 5 m depending on host port signal characteristics. This unit is 1.5 m.

Q: Can I break this out to 4x25G?
A: No. This is a straight 100G QSFP28-to-QSFP28 cable. For breakout, use a 1xQSFP28 to 4xSFP28 breakout DAC or AOC.

Q: Is this a fiber cable?
A: No. It is a copper twinax direct-attach cable with QSFP28 connectors.

Technical Specifications

- Data rate: 100 Gb/s (4 x 25G lanes)
- Standard: 100GBASE-CR4 (IEEE 802.3bj)
- Form factor: QSFP28 DAC
- Cable type: Passive twinax copper
- Length: 1.5 m
- Connectors: QSFP28 male to QSFP28 male
- Power: Passive, no external power consumption
- Latency: Near-zero, physical copper interconnect
- Compatibility: QSFP28 100G ports supporting passive DAC (MSA-compliant)
- Use cases: ToR, leaf–spine, switch-to-switch/server short-reach links
- Compliance: RoHS

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