Features: 100% brand new and high quality Each SATA port corresponds to a two-color LED indicator. Green: The device is correctly connected. Red: Data is being read or written. Plug and play support requires no additional software installation or setup. Compatible with SATA hard disks and solid-state disks and computer systems with SATA controllers. Aluminum heat sink, more durable improve operation stability, add aluminum heat sink. Using the latest JMB575 chip scheme, high-speed transmission, stable performance, is committed to meet users demand for mass data space. Package Includes: 1x M.2 B-Key Sata to SATA Adapter Specifications: Material:Metal Size:Approx.8x2.2cm/3.15x0.87in Net Weight:14g note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.