Features: and The PCIe is a 4-channel SATA expansion card, which supports PCIe Gen3x1. The maximum speed of one channel is 6Gbps on-board SATA host controller (AHCI), which is a low-latency, low-cost and low-power AHCI controller. There are four SATA3.0 port with PCle Gen3x1 and cascaded port multiplier. It can be used to build high-speed IO-systems, including large-capacity storage or monitoring platforms. Made of high-quality materials, exquisite workmanship, very good quality and long service life. Specifications: Material:PCB Support SATA LED Support full-speed command queue (NCQ) and AHCI SPEC1.4 SATA partial or sleep power management status is supported. 5V and 12V SATA hard drives (2.5-inch and 3.5-inch hard drives) are supported Size:Approx.82x39mm or 3.22x1.53inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Expansion Board Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.