[Server Workstation- X99-E WS/USB 3.1] 4-way graphic power with ultra-fast USB 3.1 onboard.

• Quad Strength Graphic Power - 4-Way PCI-E Gen3 x16 link supporting NVidia GeForce SLI and AMD CrossFireX demand
• The latest 10Gb/s USB .1 built into the board-twice as fast as USB 3.0
• Supreme Power Solution - Premium components deliver industry-leading power efficiency
• 5-Way Optimization by Dual Intelligent Processors 5 - One click total system optimization
• Superb storage flexibility - onboard M.2 x4 and support for both ASUS PIKE II and Thunderbolt II cards
• Easy maintenance - ASUS Q Code Logger an easy maintenance button and Dr. Power LED displays unusual power statuses