The 10Gtek 40G QSFP+ to 4xSFP+ Breakout DAC is designed for Cisco QSFP-4SFP10G-CU1M devices, enabling high-speed 40GBASE-CR4 Passive Direct Attach Copper Twinax QSFP to SFP cables for optimal connectivity. This versatile product allows you to expand your network infrastructure with ease and flexibility. Its QSFP+ interface ensures compatibility with Cisco devices, and the passive optical components ensure low insertion loss, ensuring reliable and clear data transmission. The breakout DAC provides a compact and secure solution for connecting multiple SFPs, making it ideal for data centers, service providers, and large-scale networks. With its 1-meter length, you can cover long distances without compromising performance. Leverage the power of 40G QSFP+ to SFP+ technology with the 10Gtek 40G QSFP+ to 4xSFP+ Breakout DAC for Cisco QSFP-4SFP10G-CU1M.