Features: Brand new and high quality Large radiator for improved heat dissipation. Rear four-port design for more convenient wiring. Rear four-port design, universal for most chassis sizes. Flush tail design reduces the likelihood of blocking the graphics card fan. Four-layer circuit board with an intermediate insulation layer for stronger anti-interference capability. Original position selection: AHCI, IDE, Data Disk modes can be freely selected. Switchable modes: Select between AHCI, IDE, and Data Disk modes by flipping the switch. 1. AHCI mode for system startup. 2. Data Disk mode (system does not start, self-check interface can be turned off). 3. IDE mode for system startup. Specifications: Transmission Speed: 6Gbps Bus Type: PCI-E X1 (compatible with PCI-EX4, X8, X16 interfaces) Bus Speed: PCI-E 3.0 Interface: Standard SATA 3.0 Number of Ports: 4 Installation Requirements: Requires one or more available PCI-E slots on the motherboard. Operating Temperature: -10~60 degrees Celsius Storage Temperature: -20°C to -40°C Application: Desktop computers, workstations, servers, industrial equipment. Driver Support: Windows Note: Due to different monitor settings and lighting effects, the actual color of the item may differ slightly from the color shown in the pictures. Thank you! Please allow 1-2 cm measurement deviation due to manual measurement. Package Includes: 1 PC x PCIE to SATA Card 4pcs x Cable