M.2 A+E KEY dual-channel SATA GEN-3 expansion card, compliant with PCIe Gen 3x1 specification and bridge JMB582 controller between storage devices with SATA/AHCI interface. Its upstream port provides M.2 port, and its downstream port can connect SATA/AHCI storage devices, such as solid-state drives (SSD). The data speed of each SATA port can reach 6Gb/s. Supports 7, 10 and Linux-based operating systems. Supports 3.3V I/O and 1.25V supply. PCI Express Features Supports M.2 A or M.2 E Key channel. Compliant with PCI Express Base Specification Revision 3.1a. Support PCIe link layer power saving mode. 100MHz differential PCI Express reference clock input. SATA features Support 2 SATA interfaces. -based and -based port multipliers are supported. Compliant with SATA specification revision 3.2. Support AHCI mode and IDE programming interface. Support for Local Queuing (NCQ). Supports SATA link power saving modes (partial and hibernate) Support SATA plug-in detection function. Drive power control and staggered start are supported. Supports SATA Partial / Slumber power management states. M.2 A+E dual-channel SATA GEN-3A expansion card for PC applications; desktop mainframes, servers, IPCs, consumer electronics devices, storage devices and NVR/DVR systems. 1 available PCI Express x1/x4/x8/x16 slot upstream of the motherboard colour: black Material: PCB Size: 22x30mm Package Contents: 1 x M.2 A+E JMB582 Dual Port SATA3.0 Expansion Card 1 x SATA Data Cable Only the above package content, other products are not included. Note: Light 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.