Powered 16X to 1X PCIe Riser with Molex Connector - PCI Express Flexible Cable Card Extension Port Adapter - This Flexible Riser lifts a x16 GPU Video Graphics Card Controller Off the Motherboard for Better Cooling of your Videocard and the Motherboard keeps cooler - Use this Powered Riser to Build a Better Bitcoin (BTC), Litecoin (LTC) or Alternative Crypto-Currency Mining Computer Rig. Multiple High End Graphics Cards running at Full Throttle can destroy your motherboard if they are not properly powered via a direct 12V Line from the PSU via an attached Molex Power Connector. Also Great for a Server or High End Gaming PC Raises a Video Card or other PCI Express Card approximately 7inches High Quality Solder Points and Gold plated Contacts for the Best Conductivity and Long Use Extends the Life of your Video Card by keeping it cooler vs. Attaching it Directly to the Motherboard and Running it Hotter PERFECT!! for your Mining Rig. Mine at 100% - 24/7 An Investment in Risers Keeps your Video Cards Running Longer and Cooler!