The Rosewill RSV-L4500 is 4U rackmount server chassis that offers a great choice for discerning user seeking quality and performance at budget-friendly price. Black exterior coating with 1.0 mm metal/steel construction radiates a sober and solid feel - the same as what you expect from a server system. Spacious interior provides sufficient room to accommodate your powerful hardware, such as E-ATX motherboard, a total of 15x internal 3.5" HDDs. Complete with excellent thermal solution and front door for security, the Rosewill RSV-L4500 makes a giant in its class.