1、For VIA Labs master chip, such expansion card can also support he third generation product VL805 with 4-port main control. 2、Converter card works without plugging external SATA interface ,which can be practical. 3、The expansion card uses 2 high-performance solid capacitors, which greatly keeps stability of the USB power supply. 4、Support small chassis, such Type‑C riser card support hot plug function. 5、Meanwhile, this adapter card is suitable for Windows XP / 2003 / Vista / win7 / win8 / 2003/10 and above. 1 x Expansion Card1 x Half Height Baffle Item Type: Expansion cardCompliant Specification Version:Compliant with PCI-Express specification version 2.0Compliant with USB 3.0 SuperSpeed specification version 1.0Compliant with xHCI specification version 1.0Main Control Chip: VL805 chipsetHighest Transmission Rate: Up to 5Gbps, much higher than the 480Mb / s of USB 2.0, up to 10 times;Backward Compatibility: USB 2.0, USB 1.1, USB 1.0Transmission Rate: 5000/480/12 / 1.5MbpsUSB Power Output: Up to 5V 2A (increased current type)Built-in SATA: Enhanced power-on interfaceSupport: USB hot plug functionSupport: For Windows XP / 2003 / Vista / win7 / win8 / 2003/10 and aboveInterface: USB 3.0Interface Speed: 5GBPSSupport: 2U small chassis support, with half-height baffleWorking Environment: 130-70 ℃