Feature: 1. ASM3142 Main Control: The chip adopts USB3.2 GEN2 10G version, for ASM3142 10Gbps main control, high speed and stable transmission. 2. Compatible Slot: 2X card cannot be inserted on PCIE 1X, the motherboard must be compatible with PCIE 2X 4X 8X 16X. 3. Support System: TYPE E expansion card support system for win8, for win10 32 64BIT, support KEY A, TYPE E, PCIE 3.0 2X Interface. 4. Metal and Electronic: Expansion card is made of metal and electronic material, which is wear resistant and durable, and can be used for a long time 5. Plug and Play: USB3.2 expansion card is plug and play, no driver required, simple installation, convenient and fast use, and stable performance. Specification: Item Type: USB3.2 Front TYPE E Expansion Card Material: Metal, Electronics Product Main Control: For ASM3142 Main Control Product Interface: KEY A, TYPE E, PCIE 3.0 2X Support System: For win8, for win10 32 64BIT. Package List: 1 x Expansion Card1 x Metal Bracket