Features: brand new and high quality Multiple SATA 3.0 expansion cards can be installed on the same computer and work at the same for time to realize multi-channel simultaneous reading. Support multiple systems, multi system compatibility, support hot plug and for play, drive free plug and for play. PCIE card gold-plated design, scratch resistant and wear-resistant, card slot stable transmission, multiple plug-in and lossless transmission. Gold-plated design, scratch-resistant. Multi-system compatible, hot swappable, drive-free, plug and for play. When the power is on, the red light is for always on, and the blue light flashes when reading data. When the data is not read, the blue light is for always on. Monitor the working state of the hard disk at any for time. Specifications: Material:PCB Mixed Size Name: SATA 3.0 Expansion Card Input Interface: PCI-E X1 Slot Output Interface: SATA 3.0 Product Power Supply: No Additional Power Supply Required Transmission Speed: 6Gbps Package Includes: 1 x 10 Ports PCI-E to SATA 3.0 Card note: Please allow 0-3mm errors due to manual measurement, make sure that you do not mind before you order.