Introducing the new D - 300 - TS669 from our well - praised D - Storm rack mount chassis. Built in 7 in. touch screen LCD enables instant system control and configuration. The 3U industrial rack mount chassis D Storm D - 300 - TS669 supports 7 full - length add - on cars. Optional Aluminum Body reduces total chassis weight and also provides enhanced thermal cooling solution provide your system with maximum Flexibility and performance. Features Patented Aluminum Front Panel with Locks Front Access USB 2.0 x 2 60 mm. x 1 Cooling Fan Removable Air Filter Power and HDD LED Power and Alarm Reset Switch Optional Wall - mount Brackets Optional Aluminum Chassis Optional BPU - 230 2 to 3 hot swappable HDD Cage Built in 7 in. Touch Screen LCD Patented Aluminum Front Panel with Locks Front Access USB 2.0 x 2 Removable Air Filter Power and HDD LED Power and Alarm Reset Switch Built in 7 in. Touch Screen LCD Specifications Form factor - 3 U Standard Drive Bays - 3.5 in. Drives - 1. 3.5 in. Drive ( internal) - 1. 5.25 in. Drives - 2 Indicators - Power. HDD. Temperature. Fan ( Fan/Temp require sensor board TC - ISF08 ) Switches - Power. Reset Supported PSU Type - 1U. 2U Expansion Slots - 7 Security - Front Bezel Key Lock Material of Front Bezel - Aluminum alloy Material of Handle - SECC Zinc - Coated Steel Material of Main Chassis - 1.2 mm. SECC Zinc - Coated Steel Color of Front Bezel - Black Color of Main Chassis - Black Front Connector - 2 x USB 2.0 Air Filter - Removable and Washable Motherboard Size - 12 x 9.6 ( ATX. microATX) Cooling Fan - 1 x 60 mm. Optional Fan - 60 mm. x 1. 80 mm. x 3 ( bracket DD - FANGUARD - 8 required) Dimension - 20.80 D x 19 W x 5.25 H in.