pci express to sata 3.0 6 gb/s adapter with its own power supply for X4 5 port desktop computer Description: Product: Multiport PCI Express to SATA 3.0 expansion card adapter. Own power supply, no need for additional power supply. Transmission speed: It can realize fast and high transfer speeds up to 6,0gb/s, saving more time. SATA 3.0 Multi Ports: There are many standard SATA 3.0 interfaces on the back that can be connected to multiple devices at the same time. Application: High compatibility, availability and reliability. Suitable for desktop computers, PCs, workstations, servers, etc. SSD HDD Support: Can be used as a system drive, supports hard drives and connects an optical SSD drive. Specifications: Product Size: 120x116x18mm/4.72x4.57x0.71 inch Material: plastic metal Output Interface: SATA 3.0 Transmission Rate: 6 Gbps Product Power Supply: No additional power required Main control system: (optional) X4 port 5: JMB585 X1 8 ports: JMB575 ASM1064 X1 10 ports: 2x JMB575 ASM1061 X4 10 ports: JMB575 ASM1166 X1 16 ports: 3x JMB575 ASM1064 The package includes: 1 piece PCIE expansion card