Divided into 2 kinds, 1, Jmicron master control (the most commonly used SSD) At present, the SSD market is filled with a lot of cheap products, the most typical is the JMF602 chip launched by Taiwan manufacturer Jmicron, 2, Indilinx master control, the common master control manufacturer Indilinx, The company was established only less than 4 years ago, but its product performance is very good, the current market is more common master chip Indilinx IDX110 (Barefoot), its core has an ARM7 embedded processor, the main frequency is 233MHz, support 16~64MB cache, Comes with 4 16-bit flash channels.