Description: 1. Equipped with 5 SATA3.0 interfaces, compliant with PCI-E2.0 specification, supports 5 SATA hard disk connections, and the transmission rate can reach 6Gbps. 2. PCI-E X4 interface can be easily expanded as long as the motherboard has a PCI Express X4/X8/X16 slot, plug and play, convenient and fast. 3. Alloy heat sink ensures stable chip temperature, higher speed and more stable transmission. The 4.3MM thick gold finger is gold-plated, and the gold finger is connected to the SATA slot of the motherboard to ensure the integrity of data transmission and transmission. run smoothly. 5. Using JMB585 main control chip, the transmission is faster and the heat is lower. 6. Compatible with multiple operating systems: Universal Windows 7/8/10/Vista/7/8 (32/64 bit)/Applicable to MAC/Applicable to Linux and other systems. Specifications: Product name: Expansion card Color: Black Material: PCB + Metal Main control chip: JMB585 Number of interfaces: 5 SATA3.0 Applicable card slots: PCI-E X4 Transmission rate: 6Gbps Product size: 120*116*18mm Installation method : Direct-plug PCI-E card slot interface complies with: PCI-E2.0 specification Support: 16 SATA hard disk connections Working environment: 0-55℃, humidity 85% Storage temperature: -20℃ -65C, humidity 85% Packaging Included: 1 x Expansion Card Notes: Notes: - There may be slight errors in size due to manual measurement. - Color deviation may vary due to different monitor settings, please understand.