1、PCI Express Base Specification 1.1 (up to 2.5Gpbs). 2、USB Specification Version 2.0 High-speed (up to 480Mbps). 3、System Management traces (SMBus) Specification, Version 1.1. 4、PCI Express Card Electromechanical (CEM) Specification Version 1.1. 5、It supports full-height and half-height size of mini PCI-E. 6、Easy installation, plug and play, no drivers required. Features: PCI Express Base Specification 1.1 (up to 2.5Gpbs). USB Specification Version 2.0 High-speed (up to 480Mbps). System Management traces (SMBus) Specification, Version 1.1. PCI Express Card Electromechanical (CEM) Specification Version 1.1. It supports full-height and half-height size of mini PCI-E. Easy installation, plug and play, no drivers required. Specification: Item name: Extension cable Item weight: Approx.16g /0.56oz Package weight: 34g /1.2oz Package list: 1 * Set of PCB adapter 2 * FPC cable 1 * Bag of screws 1 * 4Pin to SATA cable 1 * Screwdriver 1 * User manual 1 * Set of PCB adapter 2 * FPC cable 1 * Bag of screws 1 * 4Pin to SATA cable 1 * Screwdriver 1 * User manual