BlueOptics QFX-SFP-DAC-3M-BL SFP+ Cable 3 m Plug/Plug

The BlueOptics QFX-SFP-DAC-3M-BL is a 3 meter SFP+ direct attach cable (DAC) with SFP+ male connectors on both ends, designed for short-distance 10 Gbit/s links in racks and between adjacent racks. This passive twinax copper cable implements 10GBase-CR electrical signaling over 30 AWG conductors and follows MSA guidelines for SFP+ interoperability. It is suitable for connecting switches, routers, servers and storage systems that support 10G SFP+ DAC connections and is offered in a black/silver housing with a lightweight construction (approximately 0.13 kg).

Advantages

The cable provides a low-latency, low-power (passive) connection for high-speed links up to 10 Gbit/s over a fixed 3 m distance, avoiding the need for separate transceivers and fiber patching for short runs. Compliance with MSA and the use of standard SFP+ connectors ensure broad compatibility with major hardware platforms that accept SFP+ direct attach copper. Its twinax copper design and passive operation result in simple installation, reduced failure rate and predictable electrical performance for data center top-of-rack and adjacent-rack connections.

Suitable for

Key specifications

How to use

Install the BlueOptics QFX-SFP-DAC-3M-BL by inserting each SFP+ module end into SFP+ ports of the devices to be linked (for example, switch-to-switch or server-to-switch). Ensure both devices support passive SFP+ direct attach copper cables and the same transmission protocol (10GBase-CR or equivalent). Verify port settings and link status in device management interfaces after insertion. For initial deployment, power down or follow hot-plug guidelines of the equipment vendor if recommended; in most modern network devices SFP+ DACs support hot-plug insertion.

Recommendations

Use this 3 m passive DAC for short rack-to-rack or within-rack connections where cable length is known and within the 3 m limit. Verify vendor compatibility with passive SFP+ DACs in your switch or server documentation before purchase and test a sample cable in your environment if required.