StarTech.com 1m 40G QSFP+ to QSFP+ Direct Attach Cable for Cisco QSFP-H40G-CU1M - 40GbE Copper DAC 40Gbps Passive Twinax - 100% Cisco QSFP-H40G-CU1M Compatible 1m 40G direct attach cable - 40 Gbps Passive Twinax Copper Low Power 2x QSFP+ Pluggable Connect
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