The mobile hard disk can provide considerable storage capacity and is a relatively cost-effective mobile storage product. It is more and more popular among consumers, whether it is to store movies, pictures, or office is very practical. Now there are more and more brands of mobile hard drives on the market, and the price difference is also very large, so what brand of mobile hard drive is good? The following is the 2012 mobile hard drive brand ranking statistics based on online popularity and market share of various brands (market share refers to the share of this brand of mobile hard drives), you can parameter when buying. At the same time, for those who do not know what brand of mobile hard disk is good and do not know the purchase, they recommend the best products and price references for each brand.
2012 mobile hard drive brand ranking 
1. Seagate Seagate was founded in 1979 and is headquartered in Scott Valley, California, USA. Now the world's largest manufacturer of hard drives, disks, and read / write heads, Seagate is a global leader in the design, manufacture, and sale of hard drives, providing products for businesses, desktop computers, mobile devices, and consumer electronics. Seagate's market share is 39.4%. 
Recommended product: Expansion 2.5 "(500GB) (STBX500300) 
This product is an upgraded version of Ruiyi. Compared with the old Ruiyi, it is much more optimized in size, smaller and thinner, and the cost performance is very high. Because of the USB3.0 interface, the speed is very fast, and the sound is low when reading and writing, and the stability is also good. Speaking of the shortcomings, there is a random USB cable, the power needs to be converted, and the data cable is short. This should be the common shortcoming of all hard drives. 
Product parameters:
Storage capacity: 500GB
Hard disk size: 2.5-inch hard disk Interface type: USB3.0
Product weight: 170g
Dimensions: 122.3 * 81.1 * 15.5mm
2. Western Digital Corp. (Western Digital Corp) was founded in 1970 and is headquartered in California, USA. It is a world-renowned hard disk manufacturer. Western Digital has always been committed to providing global PC users with complete storage solutions. As a pioneer and long-term leader in the global memory industry, Western Digital has extensive service experience in providing users and organizations that collect, manage and use digital information It also has a good reputation, especially in the European and American markets. Western Digital brand market share 14.2% 
Recommended products: WDBBEP0010BSL-PESN 1TB 
This hard disk enclosure is super compact, making it an ideal companion for anyone who has a large amount of videos, photos, audio and files to protect and carry with them. Compatible with today's USB 2.0 devices and can be upgraded to ultra-fast USB 3.0 if circumstances permit. The WD Security utility can provide password protection and hardware encryption for the hard disk to prevent others from illegally using or accessing your files. 
Product parameters:
Storage capacity: 1TB
Hard disk size: 2.5-inch hard disk Interface type: USB3.0 / USB2.0
Product weight: 230g
Other features: compact, compact design, ample storage space, data transfer rate is super fast when connected to a USB 3.0 port
USB 3.0 and USB 2.0 compatibility Automatic backup software Hardware encryption, password protection Compatibility Formatted as Windows XP, Windows Vista, Windows 7 NTFS format
Mac OS X Leopard, Snow Leopard or Lion (reformatting required)
Dimensions: 111 * 82 * 21mm
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