PE4L-EC2C ver 1.5 (PCIe passive adapter to ExpressCard) PE4L-EC2C allows user to test PCI Express Add-in-Card on the ExpressCard slot PE4L is PCIe 1x bandwidth limit passive adapter in compliance with Expresscard and mPCIe specification. Basically, PCIe add-on card designed for desktop. We cant guarantee it compatibility with your laptop. Depends on OS version, notebooks BIOS, device driver, Almost PCIe 16x video card cant get enough memory resource are allocated. Cant work in your laptop. Package includes: PE4L adapter, EC2C Expresscard adapter, SWEX Power-on Switch, PCIe cable and external 5V/12V power supply cable