Features: Brand new and high quality High-quality Asmedia ASM1084e chip, super-fast and high-capacity transmission solution, stable and reliable. PCI Express Base SPEC 2.0 is backward for SPEC 1.1 & 1.0a With 4-port USB power, no need for 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 from the system Supports Linux / XP / for Windows 7 / for Windows 8 / for Windows 8.1 / for Windows 10; for major mainstream application operating systems on the market, easy to install, plug and play! Specifications: Name: PCIe x1 USB 3.0 to 4xPCIE Adapter Card Bus Type: PCI Express x1 Slot Interface: 4 x USB 3.0 Interface Main Chip: Asmedia ASM1084e Color: As shown green Transmission Speed: 5 Gbps Size: approx. 64x56mm/2.52x2.2in Product Weight: 100g Standard Compliant: PCI Express Base SPEC 2.0 is backward for SPEC 1.1 & 1.0a PCI Power Management Spec 1.2 Port Configuration: 1 PCIe x1 Gen2 upstream port to 4 PCIe x1 Gen2 downstream ports Note: 1. Due to the difference between light and screen, the color of the item 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 Card 1 pc x Half-height baffle