Model No.

SST-RM51

Chassis form factor

5U

Motherboard

SSI-EEB, SSI-CEB, Extended ATX, ATX, Micro-ATX, Mini-ITX

Material

Steel

Drive Bay

Internal

• 3.5" x 2 (compatible with 2.5" x 3) + 3.5" x 2 (compatible with SFX PSU)
  2.5" x 4

Power Supply

Primary PSU slot: PS2 (ATX) / Mini Redundant
Secondary PSU slot: SFX (occupies 3.5" bracket)

Limitation of PSU

160mm~190mm
(Removal of 3.5" drive cage eliminates PSU depth limitation)

Cooling system

Front

• 120mm x 3 / 180mm x 2
  (2 x Air Penetrator 184i PRO fans included)

Rear

• Rear I/O: 120mm x 1 / 140mm x 1
  Rear fan cage: 80mm x 2

Radiator support

Front

• 120mm x 3 / 120mm x 1 + 240mm x 1 / 360mm x 1 (120mm x 3) / 360mm x 1 (180mm x 2)

Rear

• 120mm x 1

Limitation of CPU cooler

Height w/ expansion card retainer: 181mm
Height w/o expansion card retainer: 192mm

Expansion card

Length: 455mm (without installing front fans and radiators)
Width w/ expansion card retainer: 157mm
Width w/o expansion card retainer: 198mm

Expansion Slot

8

Front I/O Port

USB Type-C x 1
USB 3.0 x 2

LED indicator

Power status x 1
HDD activity x 1
LAN activity x 2

Dimension

Incl. rear fan cage: 440mm (W) x 220mm (H) x 530mm (D), 51.3 liters
Excl. rear fan cage: 440mm (W) x 220mm (H) x 485mm (D), 46.95 liters
Incl. 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)

Net Weight

10.6 kg

Extra

Side switch for chassis intrusion security