HIGH PERFORMANCE: 2-Port USB PCIe Card with ASMedia ASM3142 host controller (PCIe 3.0 x4) has two SuperSpeed 10Gbps USB-A ports (USB 3.2 Gen 2); Speeds up to 10Gbps/port; Upgraded version of our popular USB card PEXUSB312A2 MAXIMIZED USB PERFORMANCE: Add-on card supports Multiple Ins for max bandwidth when using mixed-speed devices; Supports UASP & optimized for SSDs/HDDs, NVMe, thumb drives; Supports USB 3.2 Gen 1/2.0 devices POWER: USB PCI Express 3.0 expansion card w/ SATA power header supplies supplemental power to the USB ports (when motherboard power is insufficient) providing up to 4.5W (5V @ 0.9A) per USB-A port COMPATIBILITY: USB PCIe adapter card installs in full or low-profile PCIe 3.0 x4 slot and up; Bracket included; Backward compatible w/ PCIe 2.0; Supports Win/Linux/macOS w/auto drivers on Win 8 & up If you are a gadget lover our Electronics catalog is your dream destination Choose from hundreds of gadgets and accessories to suit different uses and add some entertainment facility and convenience to your life Features. 2Port USB PCIe 10Gbps TypeA PCI Express 30 x2 Host Controller Expansion Card. High quality construction and modern designs. Superior quality performance and reliabilitySpecifications. Host Interface PCI Express 30 x4. UASP Support Yes. Total Number of USB Ports 2. Number of USB 31 Ports 2. Form Factor Plugin Card. Height 07. Width 47. Length 43. Weight 03 lbs