StarTech.com 4-port USB-A expansion PCI Express interface card / 4 ports share 20Gbps / USB 3.1 Gen 2 (USB 3.2 Gen 2) compliant / standard profile compatible / Windows, macOS, Linux compatible

High performance: USB PCI Express card (USB 3.1 Gen 2 / USB 3.2 Gen 2 x 1 compatible) that supports SuperSpeed 10Gbps in each port by adding 4 USB-A ports. Equipped with two ASM3142 controllers, sharing a bandwidth of up to 20 Gbps with four ports. Upgraded version of StarTech.com's popular USB card, PEXUSB314A2V Maximum USB performance: Provides maximum bandwidth with the Multiple IN feature when using devices with different speeds. Supports UASP (USB Attached SCSI Protocol) and is ideal for SSD / HDD, NVMe drives, USB memory, etc. Power supply support: USB PCI Express expansion card with SATA power header. Provides auxiliary power to the USB port (if the motherboard power is not enough). Supplies up to 4.5W (5V / 0.9A) per USB-A port Compatibility: A USB PCIe adapter card that fits into a standard profile PCIe 2.0 x4 slot. Compatible with Windows / Linux / macOS, and supports automatic driver installation for Window 8 and above. Compatible with USB 2.0 / 3.0 devices
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Connect high performance devices such as NVMe drives and SSDs
* This card shares a maximum bandwidth of 20 Gbps (10 Gbps for each port). However, the maximum throughput of the card is limited to the maximum throughput of the PCI Express interface to which it connects.
* Available bandwidth (10Gbps) is shared equally between the two ports.