The TS431S is a 4-bay storage tower with miniSAS interface. It supports four 3.5" SATA/SAS hard drives with up to 3TB or above per HDD, and the maximum capacity can reach 12TB. TS431S use a high bandwidth miniSAS cable interface to get to superior and reliable data transfer performance. MiniSAS cabling combines four hard drives SATA connections into one to save the wiring space and reduce failure connection possibilities. Provided JBOD mode which can concentrate separate single hard drives volume into one big capacity for more flexible utilization.