The QNAP 3.0m SFP+ 10GbE Direct Attach Cable CAB-DAC30M-SFPP is specifically designed for NAS models with an integrated 10GbE SFP+ LAN port or a 10GbE SFP+ network card. This twinaxial type of cable comes with 1 x SFP+ Network first end connector and 1 x SFP+ Network second end connector.