I think not
Reviews for specific disk drives (including 1TB drives) can be found on the major online retailer sites. Amazon an NewEgg both have many user reviews of most 1TB hard drives.
1TB external hard drives are available at all electronic or computer stores. Walmart, Best Buy, Fred Meyer and Target are a few examples. Local owned and operated computer stores will also have them.
The top four brands of 1TB Hard Drives are amongst others Western Digital hard drives, Seagate hard drives, Toshiba hard drives, and Hitachi hard drives.
The closesest thing the US has to the SAS is Delta Force
The advantage of using an SAS disk drive is that it SAS disk drives contain more space. They also improve the easy of maneuvering things around within files.
LaCie offers more than one external hard drive with 1TB of disk space. According to the product specifications on the LaCie website, most of the 1TB external hard drives have a rotational speed of 5400 per minute.
Apple's configuration options for the MacBook go up to a 500GB (5400-rpm) hard drive. The problem will be finding a suitable 2.5" 1TB drive. There is a kit available that gives you 2 500 GB drives which replaces the MacBook's optical drive with a second 500GB drive giving you 1TB. Apple provides instructions for replacing hard drives. (See links below)
A 1TB external hard drive can be purchased in any large electronics stores, such as Best Buy or Fry's. Online retailers such as Amazon and eBay also sell these hard drives.
It has a 1TB hard drive already, and there is space to add one other hard drive.
NAS is an acronym for network-attached storage, referring to hard drives that connect to networks. One can purchased used 1TB NAS systems from online auction sites such as eBay as well as online mega-retailers like Amazon.
Any electronics store should carry 1tb external hard drives. Searching for deals online at sites such as Amazon or thinkgeek should also be productive. Having a look at manufacturer's websites may also prove to be fruitful.
External 1TB hard drives can be bought safely online, or from retail outlets. Amazon sell them for example, or you can go to somewhere that has a shop and internet presence. It is usually worth reading a few reviews before you buy, and you can pick them up and handle them in a shop, which may help with choice: External hard drives may work hard.