Features: brand new and high quality Reliability, availability, high compatibility. It can realize fast data transmission, transmission mechanism up to 6gbps, save more for time! There are 20 standard SATA3.0 interfaces on the rear, which can be connected to multiple devices at the same for time. It can be used as a system disk, supports high-capacity hard disk, and connects the SSD optical drive. The PCI-E X1 interface can be easily expanded as long as the motherboard has a PCI for Express X1/X4/X8/X16 slot, plug and for play, convenient and fast. Specifications: Product Name: PCI-E to SATA3.0 Expansion Card Transmission speed: 6Gbps Bus Type: PCI-E X1 can be for PCI-E X4 X8 X16 and other interfaces at the same for time Bus speed: PCI-E3.0 Interface: SATA3.0 standard Number of interfaces: 20 Installation conditions: There must be one or more free PCI-E slots on the motherboard. Working temperature: -10 ~ 60 degree Storage temperature: -20 ~ 40 degree Product size: approx. 153x120x72mm/6x4.72x2.84in Applicable fields: desktops, workstations, servers, industrial equipment. Driver support: for Windows, synology, for Mac, NAS, LINUX, etc. Package Includes: 1PC x PCIE to SATA Card 2pcs x Bolts note: Due to the monitor difference and light effect, the actual color of the item may be slightly different from the color shown on the pictures. Thanks! Please allow 1-2cm measuring deviation due to manual measurement.