Western Digital WD10EACS and Seagate 7200.11 Terabyte Hard Drive Reviews @Extremetech
 

*Review: Extremetech (http://www.extremetech.com/article2/...06419,00.asp)*
________________
That era really launched back in May when Hitachi delivered its 7K1000 terabyte hard drive (http://www.extremetech.com/article2/...131552,00.asp). However, the 7K1000 was a five platter, ten head device, while the two drives we look at today are four platter, four head devices. That's right: These drives offer a cool 250GB per platter. That's a lot of bits in a small area.

More...