Feature: 1. 40G QSFP+ DAC: The DAC high speed cable is fully compatible, plug and play, 40G high speed optical cable is dedicated to stacking and cascading between big data devices 2. Stable Signals: The DAC cable adopts imported core optical devices, chips and motherboards, with high performance, low power consumption, and fast and stable signals 3. Energy Saving: 1pcs 40G QSFP+ DAC high speed cable is equivalent to 2pcs optical modules and 1pcs optical fiber jumper, which is more energy saving and the power consumption is almost 0 4. Use with Confidence: The 40G QSFP+ cable will be tested on the machine before leaving the warehouse to ensure the compatibility of the product is qualified and the performance is stable 5. Scope of Application: The 40G DAC cable is compatible with for Cisco, for Huawei, for H3C, for Juniper, for HP, for ZTE, for DELL, for Entel, for Extreme Specification: Item Type: DAC High Speed Cable Material: Zinc Alloy, PVC Interface: QSFP+ to QSFP+ Speed: 40G Length: 1meter/1.1yd Transmission Distance: 1meter/1.1yd Compatible Brands: Compatible for Cisco, for Huawei, for H3C, for Juniper, for HP, for ZTE, for DELL, for Entel, for Extreme. Package List: 1 x DAC High Speed Cable2 x Port Protection Cover2 x Straps