4*USB3.0 interfaces.Up to 5Gbps data transmission, after connecting USB3.0 peripherals, while maintaining compatibility with existing USB peripherals. Fully manufactured in accordance with PCIE standards, using thick gold plating, good contact and more stable operation. The motherboard fixing bracket adopts a double-folded design, which is stable, firm, and . Using V805-Q6 chip, chip filter capacitor, without any reduction, the capacitor can filter the clutter in the circuit, increase the stability of the chip and data integrity. Chip: V805-Q6 Interface type: PCIE X1 (X4, X8, X16 are applicable; PCI slot is ) Applicable models: conventional desktop Installation conditions: There is one or more available standard PCIE slots on the personal computer Colour: red Material: PCB+metal Size: 120 x 81.5 x 80mm Package Contents: 1 * Expansion card Only the above package content, other products are not included. Note: Light 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.