BlueOptics Edge Core ET6402-10DAC-2M Compatible BlueLAN QSFP+ DAC Cable 2m, 40G, Passive Copper Twinax

In a high-density data center, a network engineer needs to link a top-of-rack switch to a server with a reliable 40 Gigabit link. The BlueOptics Edge Core ET6402-10DAC-2M compatible BlueLAN QSFP+ Direct Attach Copper cable provides a direct, low-latency connection between QSFP+ ports on switches, routers, and network interface cards. With a length of 2 meters, it is ideal for short-reach interconnects within racks or between adjacent racks, eliminating the need for separate optical transceivers and fiber cabling.

Key specifications

• Connector type: QSFP+ to QSFP+
• Data rate: 40 Gigabit Ethernet (40GBASE-CR4)
• Cable length: 2 meters (6.56 ft)
• Cable type: Passive Direct Attach Copper (DAC) twinax, 30 AWG
• Protocol support: IEEE 802.3ba, InfiniBand QDR/FDR, Fibre Channel
• Impedance: 100 Ohm
• Operating temperature: 0°C to 70°C
• Compliance: SFF-8436, RoHS
• Power consumption: less than 0.5W per end

Why choose it

This DAC cable offers a cost-effective and power-efficient alternative to optical transceivers for short distances. It is hot-pluggable and compatible with any QSFP+ port, ensuring easy installation and flexibility. The passive design consumes minimal power, reducing overall energy costs in large deployments. Its robust copper construction provides reliable signal integrity and durability in demanding environments.

Ideal use cases

• High-performance computing clusters requiring low-latency interconnects
• Data center top-of-rack to server connections
• Enterprise network aggregation links
• Storage area networks

Good to know

This cable is fully compliant with SFF-8436 and RoHS standards, ensuring interoperability and environmental safety. It operates reliably within a temperature range of 0°C to 70°C and can be stored in temperatures from -40°C to 85°C. The passive design means no additional power is required beyond the host port, simplifying installation and reducing points of failure.