General Information Manufacturer Athena Power Part Number RM-4UC438 Product Type Server Rackmount California Residents Bays Number of External 5.25 Bays 4 Number of Internal 3.5 Bays 4 Number of Total Expansion Bays 8 Interfaces Ports Total Number of USB Ports 1 Physical Characteristics Color Black Material T=1.0mm SECC Form Factor 4U Technical Information Motherboard Supported MicroATX (9.6 in. x 9.6 in.) ATX (12 in. x 9.6 in.) Mini-ITX (6.7 in. x 6.7 in.) Number of Fans Supported 2 Installed Fan Size 80mm Power Description Power Supply Installed PS2 Single, Mini-Redundant