What's in the box:

USB3.1 Expansion Card PCI-E x4 to Type-C Type-A Adapter Card Converter Card 10Gbps Transmission Rate ASM3142 Main Control Chip (Standard)

Features:
Adopt ASMedia ASM3142 main control chip, support USB3.1 fast transmission, the transmission rate up to 10Gbps, the data transmission is stable, smooth and fast.
The USB3.1 Type-C+Type-A ports expand the capacity for your computer case, can connect with more peripherals such as keyboard, mouse, hub, etc.
Support high-speed PCI-E 3.0 standard, backward compatible with PCI-E 3.0 standard, suitable for PCI-E x1, x4, x8 and x16 interfaces.
Support hot plugging, instant startup, no need to shut down the system when connecting or disconnecting devices.
Equipped with 15Pin SATA power supply interface, plug in the computer's power cable to provide strong power supply capacity, suitable for most computer case power supply.

Specification:
Type: USB3.1 adapter card
Color: Black
Main control chip: ASMedia ASM3142
Interface: Type-C+Type-A
Transmission rate: 10Gbps
Power port: 15Pin SATA
Supported OS: Win7/Win8/Win10 32 64bit/Mac/Linux
Item size: 12 * 8 * 1.85cm /4.72 * 3.15 * 0.73in
Item weight: Approx. 60g /2.12oz

Packing list:
1 * Adapter card
1 *Baffle