Features: and high quality PCIe X4/ X16 to 24 SATA 3.0 ports controller card offers a simple connection between a host computer and SATA 3.0 devices(SATA hard drive or SATA device) . Powerful and stable ,reliability, availability, high compatibility Can realize fast data transmission, up to 6gbps transmission mechanism, save more for time There are 24 standard SATA3.0 interfaces in the rear, which can be connected to multiple devices at the same for time It can be used as system disk, support high-capacity hard disk, and connect SSD optical drive Specifications: Product Name: PCI-E to SATA3.0 expansion card Main Control Chip: JMB585 Transmission Rate: 6Gbps Bus type: PCI-E X4 / X16 (Optional) Bus speed: PCI-E3.0 Interface: Standard SATA3.0 Number of Interfaces: 24 Installation Conditions: There must be one or more free PCI-E slots on the motherboard Working Temperature: -10~60 degrees Storage Temperature: -20~40 degrees Applicable Fields: desktops, workstations, servers, industrial equipment Driver Support: for Windows/Synology/MAC-/NAS/LINUX, etc. Product Size:approx 170x120mm/6.69x4.72 in Product Weight: 200g/0.44Lb Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement. Package includes: 1 PC x PCIE Adapter