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Aluminum ChassisWith an all-aluminum construction, the Cooler Master ATCS 840 reaches the balance between chassis stiffness and heat dissipation.
Superior Expandability with 13 Drive BaysBoasting six 5.25" external drive bays, and seven 3.5” drive bays (one external and six internal), the Cooler Master ATCS 840 provides expandability for future upgrade.
Peerless Cooling PerformanceThe Cooler Master ATCS 840 features one 120mm rear fan, two 230mm top fans and one 230mm front fan for exceptional cooling performance, as well as an air duct dedicated for graphics card cooling.
Cable Management SystemThe Cooler Master ATCS 840 features retaining holes for better cable routing and neatness.
Pop-up Top I/O PanelWith a simple finger push, the top I/O panel pops up for easy access to four USB 2.0 ports, one IEEE 1394 port, one eSATA port and two audio ports.