Description: This expansion card is a necessity for external drives and is suitable for file backup, video editing and data . The product supplies power directly from the PCIe slot on the motherboard. No need for external power supply, worry-free installation. Fast: 2x faster than USB 3.2 Gen 1. Speed: 10Gbps sharing speed, 10Gbps speed. Simultaneous Work: 4 power supplies can make 5 mobile hard drives work at the same time. Explosion-proof: The expansion card has explosion-proof capacitors. Universal PCl-E interface: Supported motherboard with x4/x8/x16 slot interface. Specifications: Item Name: Expansion card Size: 120 x 80mm Material: PC+metal Color: as shown Sharing Speed: 10Gbps Speed: 10Gbps Feature: Explosion-proof capacitor Supportable: Motherboard with x4/x8/x16 slot interface Package Contents: 1 x Expansion card 1 x CD drive disc(Due to different batches, the appearance of products may be different, the functions are the same) 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.