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 cardSize: 120 x 80mmMaterial: PC+metalColor: as shownSharing Speed: 10Gbps Speed: 10GbpsFeature: Explosion-proof capacitorSupportable: Motherboard with x4/x8/x16 slot interfacePackage Contents:1 x Expansion card1 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.