100% brand new and high qualityDescriptions:100% Brand new and high quality.Features:High quality asmedia ASM1084e chip, super fast and high-capacity transfer solution, stable and reliable.PCI Express Base SPEC 2.0 is backward compatible with SPEC 1.1 & 1.0aWith 4 port usb power moduel, not need extra power supply; Supports simultaneous operation of multiple USB 3.0, USB 2.0, and USB 1.1 devices.Built-in 4-pin power connector for receiving extra power supply from the systemSupports Linux / XP / Windows 7/Windows 8 / Windows 8.1 / Windows 10; Compatible with major mainstream application operating systems on the market, easy to install, plug and playSpecifications:Name: PCIe x1 USB 3.0 to 4xPCIE Adapter CardBus Type: PCI Express x1Slot Interface: 4 x USB 3.0 interfaceMain Chip: asmedia ASM1084eColor: As Shown GreenTransfer Speed: 5GbpsSize: approx 64x56mm/2.52x2.2inProduct weight: 100gStandards compliant: PCI Express Base SPEC 2.0 is backward compatible with SPEC 1.1 & 1.0aPCI Power Management Specification 1.2Port configuration: 1 PCIe x1 Gen2 upstream port to 4 PCIe x1 Gen2 downstream portsNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.Package Includes:1 PC x PCIe x1 USB 3.0 to 4xPCIE Adapter Card1 PC x Half-height Baffle