Features: Brand-new and self-contained power supply, compliant with PCI equipment power supply specifications, ensuring ease of use and stable voltages. The electronic components are in excellent condition and have not been tampered with, guaranteeing stable and reliable operation. It comes with a fixed rubber column to effectively prevent solder joint short circuits and malfunction. PCI slot capable of providing 2x 32-bit PCI bus slots. Strong material ensures strength and durability for long-lasting usage. Specifications: Material: PCB System support: For Win2000, for Win2003, for WinXP, for Win7, for Win8, for Windows NT Series, for Windows Vista, for Windows Linux PCI slots: 3.3V1A, 3.3Vaux/100mA, 5V/5A and 12V/500mA. Voltage: 3.3V/5V SATA supply port: Only for 5 wires, not supporting 4 wires. Package Included: 1x Expansion Card (Main Card+Secondary Card) 1x USB Cable