Using super PCle3.0 total bandwidth, faster data transmission speed, bringing users and players faster, lower performance, and high stability storage devices. Using the latest JMB582 chip solution, high-speed transmission and stable performance, dedicated to meeting users' needs for massive data space. Two SATA interfaces are equipped with two standard SATA interfaces. Users only need to insert this card into the M. 2 slot of the motherboard, and then connect two SATA interface SSD solid state drives or mechanical hard drives at the same time through the SATA data cable. Wide range of applications: widely used in PC computers, servers, industrial computers, consumer electronic equipment, storage equipment, NVR/DVR systems. Two SATA ports can be transferred through the M. 2 (A+E Key) slot of the PC host, and the user can connect two SSD solid state drives or mechanical hard drives with SATA ports at the same time through the SATA data cable. Product name: M.2 (A+E Key) to 2 port SATA expansion card Transmission interface: NGFF (M.2) 2230 key A/E System: Windows/ Linux Size: 30x20MM Colour: black Material: plastic Package Contents: 1 x Hard Disk Adapter Card 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.