Supports PCIe 2.0 &USB 3.0 - -Both PCI Express Gen2 Interface and USB 3.0 (super speed) are supported for higher performance and easy connection to PCs. ^^ Ultra Read& Write Speed- -Maximum read 440MB/s, and maximum write 400MB/s. ^^ 128GB XQD Performance - -Maximizes performance of XQD cameras, whether 4K video recording or continuous burst mode shooting, or transferring large contents to host devices. ^^ Safe & Durable- -Recessed pins add contact protection from damage, dust, or electrostatic shock. Can withstand extreme temperatures ^^ 4K Video Recording- -Newly developed controller and unique "EB stream" function are used to achieve stable high frames while avoiding speed drops