2- M.2 PCI-Express 3.0 interface (B & M Key).Complies with PCI Express Base Specification Revision 3.1a.Supports PCIe link layer power saving mode.Supports -based and -based for Port Multiplier.Complies with SATA Specification Revision 3.2.Supports 8 SATA port.Supports Port MultiplierSupports AHCI mode and IDE programming interface.Supports Native Queue (NCQ).Supports SATA link power saving mode (partial and slumber)Supports SATA plug-in detection capable.Supports drive power control and staggered spin-up.Supports SATA Partial / Slumber power management state.Note: Does not support RAID on Port Multiplier.Attention:The standard M.2 board is 0.8mm thick, please connect all cables first and then insert them into the M.2 slot;Under Windows system, Only 5 ports can be recognized, and all ports can be recognized after entering the system and installing the driver.System Requirements:Windows 7 (X86/X64)Windows 8/8.x/10 (X86/X64) (Windows in-box driver)Linux-base OSDriver-free support:Unraid PVE TruenasWindows Free Driver:http://.mmui.com.cn/data/upload/image/JMB582_585_586_5810_5824(PM).zipColour:BlackMaterial:PCB+MetalSize:80x22mmPackage Contents:1 x M.2(PCIe3.0) to 8 Port SATA3.0 Adapter2 x MINI SAS to 4*SATA Cable1 x English instruction manualOnly 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.