Supports up to SSI-EEB motherboardsIncludes 2 x Air Penetrator 184i PRO fans for superior air intakeSupports 360mm liquid cooling radiator8 PCI expansion slotsReserved sliding rail mounting holes for quick rail installationIncludes one USB Type-C interfaceUpright or horizontal placement flexibilitySecondary PSU can be installed if 3.5" drive cage is to be left unoccupied
Model No.SST-RM51Chassis form factor5UMotherboardSSI-EEB, SSI-CEB, Extended ATX, ATX, Micro-ATX, Mini-ITXMaterialSteelDrive BayInternal3.5" x 2 (compatible with 2.5" x 3) + 3.5" x 2 (compatible with SFX PSU)2.5" x 4Power SupplyPrimary PSU slot: PS2 (ATX) / Mini RedundantSecondary PSU slot: SFX (occupies 3.5" bracket)Limitation of PSU160mm~190mm(Removal of 3.5" drive cage eliminates PSU depth limitation)Cooling systemFront120mm x 3 / 180mm x 2(2 x Air Penetrator 184i PRO fans included)RearRear I/O: 120mm x 1 / 140mm x 1Rear fan cage: 80mm x 2Radiator supportFront120mm x 3 / 120mm x 1 + 240mm x 1 / 360mm x 1 (120mm x 3) / 360mm x 1 (180mm x 2)Rear120mm x 1Limitation of CPU coolerHeight w/ expansion card retainer: 181mmHeight w/o expansion card retainer: 192mmExpansion cardLength: 455mm (without installing front fans and radiators)Width w/ expansion card retainer: 157mmWidth w/o expansion card retainer: 198mmExpansion Slot8Front I/O PortUSB Type-C x 1USB 3.0 x 2LED indicatorPower status x 1HDD activity x 1LAN activity x 2DimensionIncl. rear fan cage: 440mm (W) x 220mm (H) x 530mm (D), 51.3 litersExcl. rear fan cage: 440mm (W) x 220mm (H) x 485mm (D), 46.95 litersIncl. rear fan cage: 17.3" (W), 8.66" (H), 20.87" (D)Excl. rear fan cage: 17.3" (W), 8.66" (H), 19.1" (D)