"Introduce istarUSA 3U industrial rackmount chassis D Storm D-300L-M6. The full size back plane and width supports dual Intel and AMD CPU motherboard. It has excellent thermal solution with extra cooling fans. Optional 3.5 and 5.25 tray enable hot-swappable storage, raid configuration, and total storage capacity up to 6 storage drives provide your server or cluster maximum flexibility and performance." ~iStarUSA.com