The IBM System Storage EXP420 Storage Expansion Unit is a SATA disk-only storage expansion unit for use with the IBM DS4200 Express Model 7V. It features redundant, hot-swappable power supply and cooling components.

The IBM EXP420 is a compact, 3U rack-mount disk expansion enclosure that houses 16 DS4200 SATA Enhanced Value Disk Drive Modules, offering up to 8 TB of physical capacity per expansion unit. And, internal switching technology attaches each individual disk drive module.

For pricing on new or used IBM TotalStorage EXP420 arrays, upgrades or parts, please contact Vibrant sales at or call 888-443-8606 or 952-653-1700.