The Alienware is truly a super fast computer for the need for computing speed or better put, best computer gaming experience. The later is true becuase most users of the Alienware series are habitual PC gamers. This is why these computers especially the desktop wanna-be versions are known as gaming computers.
Well, on a normal technological ground, let see the composition of a typical Alienware (configurations do vary).
Intel® Core™ i7-4900MQ Processor (8MB Cache Overlooked up to 4.0GHz w/ Turbo Boost)
17.3″ (439.42 mm) WLED FHD Anti-Glare Display (1920 x 1080)
Genuine Windows® 8.1 (English)
Nvidia GeForce GTX 880M with 8 GB GDDR5
1 TB SATA Hard Drive (5400 RPM)
16GB Dual Channel DDR3 1600MHz Memory (4x4GB)
12X Blu-ray Disc Combo (DVD+/-RW + BD-ROM)