The S2510U33RUSM is USM removable storage bay and enclosure turns a 5.25" front computer bay into a hot-swappable USM interface for to connects a 2.5” SATA hard drive (HDD) or solid state drive (SSD), using the included USM enclosure. Both the bay and enclosure are compatible with Seagate GoFlex® and other USM interface devices and supports SATA III transfer speeds up to 6.0 Gbps. USM (Universal Storage Module) is a portable drive standard that interfaces with SATA and enables to hot-swap drives between multiple host devices, such as PCs, notebooks, DVRs and many others.