Exchange drives with ease with this extra drive tray for SATSASBP125 and SATSASBP425 mobile rack backplanes 2.5' hot swap hard drive tray For 2.5' SAS or SATA SSD/HDDs from 5-15mm in height Interchangeable drive tray for one-bay and four-bay backplanes Swap drives easily between desktops or servers Spare drive tray to create expandable storage or use as part of a rotating back-up solution Durable aluminum drive tray with ventilation