Dual-port USB (Universal Serial Bus) 3.2 Gen 2 Type-A connectivity. Both ports provide up to 10 Gbps data transfer speeds & are backwards compatible with previous-generation USB (Universal Serial Bus) devices. Supports USB (Universal Serial Bus) Attached SCSI Protocol (UASP) to provide convenient fast file sharing & intensive data transfer. Uses advanced low-power processes, following standard PCIe/USB bus Power Management to reduce power consumption. Supports overcurrent detection & short circuit protection. Supports Windows 8.x / 10 (32/64-bit) & Ubuntu desktop 20.04 LTS. No driver is required. The QNAP USB (Universal Serial Bus) 3.2 Gen 2 Expansion Card provides speeds of up to 10 Gbps – double that of USB (Universal Serial Bus) 3.2 Gen 1 – to greatly boost data transfer speeds. With two ports, the QNAP USB (Universal Serial Bus) 3.2 Gen 2 Expansion Card provides compatibility with newer, faster USB (Universal Serial Bus) 3.2 Gen 2 devices to accelerate file transfers & backup. The QNAP USB (Universal Serial Bus) 3.2 Gen 2 Expansion Card can be installed in either a QNAP NAS or Windows/ Ubuntu PC.