Plug and play, no driver installation required 4PIN power supply Host power charging Plug and play, high compatibility Compatible with a variety of motherboards, regardless of device and system, not picky about terminals, no need to install drivers, plug and play brings you a smooth use experience 8 explosion-proof solid-state capacitors Adopt 8 customized explosion-proof solid-state capacitors to reduce the rise of operating temperature, improve transmission efficiency and high stability Powerful main control chip Adopting D720201 main control chip, it is small in size and powerful as always, with ultra-long service life to extend usage time and improve transmission efficiency Main control chip: D720201 Product Name: Quad USB-A Side Stand Expansion Board Weight: Plug-in version 42g / Power supply version 38g Transmission interface: PCI-E (compatible with 1X 4X 8X 16X) Transfer speed: USB3.2 Gen1 5Gbps Compatible systems: for 98/2000/XP/Vista Win7/8/10 Working temperature: -40~50℃ (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: PCB Package Contents: 1 * PCI Express Expansion Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.