Asus BM1AE-I7477S008B Desktop Computer - Intel Core i7 i7-4770S 3.10 GHz - 4 GB DDR3 SDRAM - 1 TB HDD - Windows 7 Professional 64-bit upgradable to Windows 8 Pro - Mid-tower - Black

The BM1AE supports up to three independent displays, giving users the ability to expand their desktop workspace and multitask on three displays without the need for an additional VGA card.The BM1AE features a modular design that offers more flexible support for hard drives, RAM, PCI cards, and USB devices - ideal for ever-expanding businesses. The serial and parallel ports are both optional, freeing up PCI slots for additional upgrades.ASUS Q-Fan technology monitors system loads and temperatures, and modifies the CPU fan speed accordingly. When the system is idle, the fan goes into low speed mode to lower noise levels to create a quiet working environment. The exclusive ASUS Energy Processing Unit (EPU) 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.