Lightwin 100G QSFP28 to QSFP28 Direct Attach Copper Cable, 0.5m, HPE/Aruba Compatible (LWO-DAC-QSFP28-0.5M-HPE)

Experience 100 Gigabit Ethernet connectivity in a compact 0.5-meter passive copper twinax cable. The Lightwin LWO-DAC-QSFP28-0.5M-HPE delivers high-density, low-latency links for HPE and Aruba networking equipment, supporting IEEE 802.3bj 100GBASE-CR4 with minimal power consumption.

Overview

This QSFP28 to QSFP28 Direct Attach Cable (DAC) is engineered for data center interconnects, server-to-switch, and switch-to-switch applications. With a passive twinax design, it offers a cost-effective alternative to optical transceivers for short-reach connections, ensuring reliable 100GbE performance without active components. The cable is fully compliant with SFF-8665 and hot-swappable, simplifying installation and maintenance.

What stands out

• 100Gbps throughput – Supports 100GBASE-CR4 for high-bandwidth, low-latency data transfer.
• HPE/Aruba compatibility – Tested for seamless integration with HPE and Aruba switches, routers, and servers.
• Passive copper design – Ultra-low power consumption (<0.5W) and no need for additional power or cooling.
• Durable construction – 100-ohm impedance and robust twinax cable withstands demanding data center environments.
• Hot-swappable – Replace or add links without network downtime.

Technical details

• Cable type: Direct Attach Copper (DAC), passive twinax
• Connectors: QSFP28 to QSFP28
• Length: 0.5 m (50 cm)
• Data rate: 100 GbE
• Protocol: IEEE 802.3bj (100GBASE-CR4)
• Impedance: 100 Ohm
• Operating temperature: 0°C to 70°C
• Storage temperature: -40°C to 85°C
• Certifications: RoHS, CE, FCC
• Compliance: SFF-8665 (QSFP28 MSA)
• Power consumption: < 0.5 W
• Material: Copper

Our verdict

For short-reach 100G links in HPE/Aruba environments, this Lightwin DAC cable delivers exceptional value: plug-and-play simplicity, rock-solid performance, and a fraction of the cost of optical modules. A smart choice for dense rack deployments.