DescriptionCodegen rackmount server chassis 4U 635mm depth is built from premium quality and is flexible chassis for the most demanding systems and designed with versatility in mind, Installed with three Hydraulic Bearing front fans which include PWM functionality, which can deliver an exceptional thermal performance you can rely on. The 635mm rackmount comes with 8 fans pre-installed, 2 x 80mm HDB fans, 3 x 120mm HDB fans and 3 x 120mm PWM HDB fans. Excellent flexibility for hardware with the interior supports up to E-ATX Motherboards and up to 15 x 3.5" and seven standard PCIe expansion slots, to accommodate your server systems and diverse applications. Configure or build your own custom 4U rack server with excellent expandability and cooling capabilities.Compatible With the Following Rail KitThe Codegen 4U Rackmount 635mm Deep is compatible with the following Rail kit: Codegen Rail Kit For Codegen Rackmount Cases Key Features