StarTech.com 0.5m QSFP+ to QSFP+ Direct Attach Cable for Juniper EX-QSFP-40GE-DAC-50CM - 40GbE - QSFP+ Copper DAC 40 Gbps - 100% Juniper EX-QSFP-40GE-DAC-50CM Compatible 0.5m direct attached cable - 40 Gbps Passive Twinax Copper Low Power 2x QSFP+ Pluggable Connector - 40GbE Transceiver Module DAC f