DAC-A-QSFP-40G-1M-AT Universally Coded MSA Compliant Direct Attach Copper Cable 40GBase-CU QSFP+ (Passive Twinax, 1m, Active)DAC A QSFP 40G 1M AT Universally Coded MSA Compliant Direct Attach Copper Cable 40GBase CU QSFP+ (Passive Twinax, 1m, Active) ATGBICS Universally Coded MSA Compliant DAC A QSFP 40G 1M AT 40GBase CU QSFP+ to QSFP+ Active Direct Attach Cable operates over Active Copper with a cable length of 1m. This product operates within a commercial temperature range. It is suitable for short reach connection between two QSFP+ ports in 40G interconnecting networking