StarTech.com Cisco QSFP-4X10G-AOC3M Compatible QSFP+ Active Optical Breakout Cable - 3 m (10 ft) - 40 Gbps to 4 x 10Gbps - AOC Fiber Breakout Cable Waste Toner Unit 3az Energy Efficient Ethernet

3az Energy Efficient Ethernet

Reliable Cat6a 10 Gigabit connections Each cable is tested for up to 500 MHz frequency and is more than suitable for 10GBase-T Ethernet networks

No need to intrude into the system's hard drive components for inserting an Ethernet card

On the other hand

Works in MS517dn

StarTech.com Cisco QSFP-4X10G-AOC3M Compatible QSFP+ Active Optical Breakout Cable - 3 m (10 ft) - 40 Gbps to 4 x 10Gbps - AOC Fiber Breakout Cable Waste Toner Unit 3az Energy Efficient EthernetThe QSFP4X10GAO3 is a Cisco QSFP 4X10G AOC3M compatible optical quad small form factor pluggable (QSFP+) breakout cable that is designed, programmed and tested to work with Cisco brand compatible servers or routers and complies with MSA industry standards. Connecting a single QSFP+ port (40 GbE) to four 10G SFP+ ports, this active optical breakout cable is fully hot pluggable which makes upgrades and replacements seamless by minimizing network