Check the listing for details. ASUS Dual Type-A PCIe Card USB 3.1 Type-A Card. Condition: Used. Listed at 19.99 USD. LEARN MORE ABOUT THE ASUS USB 3.1 TYPE-A CARDModelBrandASUSModelUSB 3.1 TYPE-A CARDDetailsSpecificationsInterface - PCI Express x4 interface (run @ x2) - Compatible with PCI Express x4, x8 and x16 slots External Connectors - 2 x USB 3.1 ports [Type A] - Backward compatible with USB 3.0/2.0/1.1 interface Operating System - Windows 8.1 32/64-bit - Windows 8 32/64-bit - Windows 7 32-bit - Windows 7 64-bit Accessories - 1 x Support CD - 1 x Quick Start Guide Dimensions - 3.12" x 2.9" ( 7.93 cm x 7.36 cm) Compatible Model - RAMPAGE V EXTREME/U3.1 - RAMPAGE V EXTREME - X99-DELUXE/U3.1 - X99-DELUXE - X99-PRO/USB 3.1 - X99-PRO - X99-S - X99-A/USB 3.1(TRANSFER EXPRESS) - X99-A/USB 3.1 - X99-A - X99-E WS/USB 3.1 - X99-E WS - X99-E WS/IPMI - Z97-DELUXE(NFC & WLC) - Z97-DELUXE/USB 3.1 - Z97-DELUXE - Z97-PRO (Wi-Fi ac)/USB 3.1 - Z97-PRO (Wi-Fi ac) - Z97-PRO - Z97-A/USB 3.1 - Z97-A - Z97-AR - Z97-C - Z97-E/USB 3.1 - Z97-E - Z97-K R2.0 - Z97-K - Z97-P - Z97M-PLUS - SABERTOOTH Z97 MARK 1/USB 3.1 - SABERTOOTH Z97 MARK 1 - SABERTOOTH Z97 MARK S - SABERTOOTH Z97 MARK 2 - GRYPHON Z97 - GRYPHON Z97 (ARMOR EDITION) - MAXIMUS VII FORMULA/WATCH DOGS - MAXIMUS VII FORMULA - MAXIMUS VII HERO - MAXIMUS VII HERO/ACU - MAXIMUS VII GENE - MAXIMUS VII RANGER - MAXIMUS VII IMPACT - Z97-PRO GAMER - Z97-WS Note [1] XHCI Mode supported [2] The USB 3.1 add-on card is only compatible with selected ASUS motherboards. Please refer to www.asus.com for the latest list of compatible models. [3] To fully support the USB 3.1 function, please refer to www. asus.com to update to the latest BIOS version.FeaturesFeaturesWorld's first and fastest USB 3.1 dual Type-A PCIe card 10Gbit/s data-transfer speeds - twice as fast as USB 3.0 Most popular dual Type-A connectors plus backward compatibility Fits in any PCIe x4, x8, x16 slot Even faster USB 3.1 transfers with included ASUS USB 3.1 Boost utility