Features: Brand new and high quality High speed data transfer:This PCIE to 4 port SATA3.0 expansion card ensures fast and reliable transmission, allowing simultaneous connection of multiple SATA devices for efficient storage and transfer. Stable and durable:With high quality components, this expansion card ensures stable performanceS and long lasting durability, providing a seamless experience for users. Suitable for computer enthusiasts:Designed for users who enjoy building their own computers, this expansion card offer expanded storage space and efficient data transfer, enhancing the overall computing experience. Versatile usage scenarios:Whether used in home offices or small scale workplaces, this expansion card expands the computer's storage capacity, making it convenient for file storage and data backup. Enhanced storage capabilities: Featuring 4 SATA interfaces, this expansion card allows users to connect multiple hard drives, SSDs, or other SATA devices, effectively expanding their storage capabilities for increased productivity. Specifications: Material:PCB Transmission rate: 6Gbps. Type of bus: PCIE X4 can be suitable for PCIE X4 X8 X16 Interface: standard SATA3.0 Number of interfaces: 4 Package Includes: 1x Expansion Card 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.