1[Fast Transmission] Adopts the latest JMB575 chip solution with high speed transmission and stable performance 2[Stable Operation] In order to enhance the stability of operation, heat sink is added, M2 NGFF SATA to SATA3 5 port expansion card 3[Two Color LED] Each SATA port corresponds to a two color LED indicator, green, the device is connected normally, red, the read write data flashes 4[Support System] Computers that support SATA PM function are drive free, and those that do not support PM function cannot be used 5[Expand Storage Space] Committed to meeting the needs of users for massive data space Item Type: Convert Adapter Card Material: PCB Support Hard Disk: Support Sata Protocol Support: 5 xSata Devices System: For OS X , for Linux, for Windows Speed: Sata3 (6G) 1 x Transfer Card 1 x Heat Sink 1 x Screw 1 x Screwdriver