Windows 8 7L Space-saving and Flexible Design Uncompromised Performance USB3.0 : 10x Faster Transfer 100% Solid Capacitors for Ultra Reliability EPU- Up to 40% Energy Saving Multi I/O PCIE card(Optional) F9 One Key Restore Shop Modal header Where To Buy CDW Monitor Sold Separately 7L Space-saving and Flexible Design With elegant lightweight and a front-to-back cooling airflow design, BT series can be placed vertically or horizontally to accommodate any business environments. Uncompromised Performance Powered by top-grade components and technologies, the ASUS Pro Series helps you easily multitask your office work. Models feature Intel® 2nd generation processors with powerful integrated graphics to best handle your workload. USB3.0 : 10x Faster Transfer Experience lightening speed data transfers at 4.8Gbps with USB 3.0 - the latest standard. USB 3.0 transfers data up to 10X faster than USB 2.0 while remaining fully backward-compatible. 100% Solid Capacitors for Ultra Reliability ASUS Pro desktops are made with the world's best motherboards and solid capacitors. High-quality components provide utmost durability, improved longevity and enhanced thermal performance. EPU- Up to 40% Energy Saving The exclusive ASUS EPU chip is the world’s first PC energy saving controller, optimizing efficiency by detecting real time CPU loads and saving up to 40% on overall power consumption. Multi I/O PCIE card* The optional Serial/Parallel Multi I/O card is the ideal solution for serial equipment that require fast data transfer, and adding a second printer, scanner, or other parallel device. (*Optional) F9 One Key Restore With the F9 single click, you can use the recovery partition quickly restores your Desktop PC’s software to its original working state. (Copying your data files and making note of any customized configuration settings before using the system recovery partition are required.)