Western Digital is a 3.5" Hard Drive with a capacity of 2TB. The Caviar HDD has SATA III connectivity. As capacity if the hard drive increases the power required to drive it also increases as well. Optimum seek speeds to lower power consumption, noise, and vibration. WD Caviar hard drives reduce power consumption by up to 40% making it possible for energy-conscious customers to build systems with higher capacities and the right balance of system performance, ensured reliability, and energy conservation.
The WD20EARX hard drive from Western Digital features 2TB of storage size in a 3.5" form factor. This drive connects to your system via the SATA 6 Gb/s interface so make sure you have an available port on your compatible motherboard. Advanced features of this HDD include a 64MB cache/buffer and 5400 rotational spin rate.