The M.2 Key M SATA3.0 expansion card adopts the latest JMB585 chip solution, high-speed transmission and stable performance, and is committed to meeting the needs of users for massive data space. The M.2 Key M SATA3.0 expansion card realizes PCI Express Gen 3x2 circuit bandwidth Comply with M.2 Key M standard Transmission protocol: PCIe x2, supports up to two lanes of PCI Express The intelligent indicator lights up when there is SATA device in the corresponding interface, and flashes when there is data reading and writing Plug and play, no other software installation or setup required Chip group: JMB585 Transmission protocol: PCI-E x2 Media interface: 5 x SATA 3.0 Transmission rate: 6.0Gbps Management function: SATA plug-in detection, SATA Link power saving mode (partial and hibernation) : Win 7 / Win 8 / Win 8.1 / Win 10 32&64bit, Linux There are five SATA ports extending the PC host to the M.2 Key M slot, and the transmission speed of each port is up to 6Gbps. It can widely Personal computers and other large storage media. Compatible with PCI Express basic specification revision 3.1a Support -based and -based port multipliers Support ahci mode and IDE programming interface Support native queue (NCQ) Support SATA Link power-saving mode (partial and hibernation) Support SATA plug-in detection function Support drive power control and staggered rotation Colour:black Material:PCB Package Contents: 2 x Expansion Card 2 x Screwdriver 2 x Screw 2 x Sata Cables (random colors, don't accept the specified color) 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.