Superb Scalability: With three 5.25-inch external bays (which can switch to a four-module, 3.5-inch HDD), eight 3.5-inch internal bays, and seven expansion slots, you can expand your server computer easily.

Efficient Cooling Design: Two 120mm front fans, three 120mm middle fans, and two 80mm rear fans are included in the rack mount chassis to keep your whole system well ventilated.

Dual USB 2.0 Interfaces: The dual USB 2.0 interfaces in the front panel offer easy connection to USB-enabled devices

Front Panel Lock: Stylish Black with front panel lock provides a better security for your rack-mount server case. Material: Metal, Steel

Excellent Dust Resistance: Front door foam filter is designed to minimize dust inflow to Industrial rack-mount server case

Motherboard Compatibility: The Rack-mount server chassis is compatible with a 12x13-inch E-ATX (and lower) form factor motherboard

Tremendous capacity : With huge space (7.00" x 25.00" x 16.80" including panel ), RSV-R4000 commits with vast room to meet your demand for an outstanding system

The Rosewill RSV-L4000 4U Rackmount Server Chassis is winner of the " Best Value Award " from TweakTown