The iStarUSA 4U industrial rackmount chassis D Storm D-407P-DE6. Installed with 2xBPN-DE230SS enable 6x3.5" hot-swappable storage capability. It also supports up to seven add-on cards and total storage capacity up to 9 storage drives for 1/0/5 raid configuration. D-407P-DE6 provide your server or cluster maximum reliability and performance. Optional Aluminum Body reduces total chassis weight and also provides enhanced thermal cooling solution.