Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si 1. 40G QSFP+ Stacking Line, Dedicated Line For Data Center Integrated Wiring, Stable High-Speed Transmission Performance 2. Short-Distance , Saving More Than 50% Of Costs, 1 10G High-Speed Cable Is Equivalent To 2 10G Modules + 1 Fiber Jumper 3. USE Core Optical Components, Chips And Motherboards, With High Performance - Low Power Consumption - Fast And Stable Signals 4. More Energy-Saving, Power Consumption Is Almost Zero. Since Passive Cables Do Not Require Power, Power Consumption Is Almost Zero. 5. Good Heat Dissipation And Shielding Performance. The High-Speed Cable Is Made Of Copper Core And Has Good Heat Dissipation Effect. Multi-Layer Shielding Protection Rejects Signal Interference. Rate: 40G Interface Type: QSFP+ TO 4SFP+ Compatible With: for Material: Plastic Function: Strong Compatibility, Low Power Consumption, Stable Performance, Power Saving And Environmental Protection, Durable Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Size:7 Meter Package Contents: 1 x Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.