According to research firm Gartner, Kingston ranked first as world's largest USB drive supplier in 2011 with a marketshare of close to 30%, while SanDisk followed with 21.7 percent.
In the flash card market for 2011, however, Kingston was ranked fifth by Gartner. The US firm took a 5.5% market share following Taiwan-based Transcend Information with 6.1%. Transcend settled into fourth place for the first time.
SanDisk remained the leader of the flash card segment in 2011 with a 39.7% share, followed by Samsung Electronics with a 15.3% share and Toshiba with 10.9%, according to Gartner.
The global USB drive and flash card markets have reached their saturation points. Sales of USB drives and flash cards totaled about US$2.51 billion and US$8.4 billion, respectively, in 2011. Both figures registered on-year decreases, according to Gartner.