iStarUSA 4U Rugged High Performance Rackmount Chassis - Rack-mountable - Black - Steel - 4U - 4 x Fan(s) Installed - EATX, ATX, µATX Motherboard Supported - 4 x External 5.25" Bay - 7x Slot(s) - 2 x USB(s) - RoHS Compliance-RoHS Compliance

1.6mm SGCC with rugged contructionOptional lockable spill-proof front bezelAnti-vibration HDD cage design for shock and high vibration environmentsCooling provided by 4x 90mm blower fans in front and back of chassis for high pressure air flowEase of maintenance with 4x hotswap blower fansPower and reset buttons mounted behind the door to prevent unintentional accessRemovable front plate with filter mounted. Easy access to drive cageCompatible with E-ATX, ATX, microATX motherboardsPower LED and HDD access indicator are visible through the windows7-slot retainer included to enhance stability for long add-on cardsOptional rear fan duct for noise reductionCompatible with redundant power supply for zero down time