Silverstone SST-RM31 3U Case with EEB MBD Support - 8x PCI
2x 3.5" & 2x 2.5" HDD/SSD Support - CPU Cooler Support up to 110mm - 360mm Radiator Supported, SXF(-L) Dual PSU / 2U PSU Supported- Rail Kit: SST-RMS09-20
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Silverstone SST-RM31 3U Case with EEB MBD Support - 8x PCI
2x 3.5" & 2x 2.5" HDD/SSD Support - CPU Cooler Support up to 110mm - 360mm Radiator Supported, SXF(-L) Dual PSU / 2U PSU Supported- Rail Kit: SST-RMS09-20
- Brand: Silverstone
- MPN: SST-RM31
- Part #: CHASVT903000
- UPC: 844761029579
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- Brand: Silverstone
- MPN: SST-RM31
- Part #: CHASVT903000
- UPC: 844761029579
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Silverstone SST-RM31 3U Case with EEB MBD Support - 8x PCI 2x 3.5" & 2x 2.5" HDD/SSD Support - CPU Cooler Support up to 110mm - 360mm Radiator Supported, SXF(-L) Dual PSU / 2U PSU Supported- Rail Kit: SST-RMS09-20
- Brand: Silverstone
- MPN: SST-RM31
- Part #: CHASVT903000
- UPC:844761029579
Product URL: https://www.pbtech.com/au/product/CHASVT903000/Silverstone-SST-RM31-3U-Case-with-EEB-MBD-Support
Features
RM31
3U rackmount server chassis with dual power supplies and 360mm radiators support.
- Compatible with motherboards up to SSI-EEB
- Supports dual SFX-L or 2U CRPS redundant power supplies
- Provides 8 full-height PCI expansion slots
- Supports 360mm liquid cooling radiators up to 6x120mm push and pull fans
- Supports CPU air coolers up to 110mm in height
- Includes one USB Type-C port
Ideal for AI Systems
Supports multiple workstation GPUs for AI and advanced graphics workloads.
Flexible Dual PSU Configuration
Compatible with dual SFX-L + SFX-L or SilverStone 2U CRPS redundant power supplies for stable and reliable power.
Extreme Cooling Performance
Supports a 360mm radiator and up to 6 x 120mm push and pull fans for superior airflow and efficient cooling.


Push-Pull Fan Configuration

Dual PSU Support

Thermal Solution

Capacity

Internal layout view
Fan
Front : 120mm x 3
Rear I/O Area : 60mm x 2
Radiator
Front : 120mm / 240mm / 360mm
Motherboard
SSI-EEB, SSI-CEB, Extended ATX, ATX, Micro-ATX, Mini-ITX
PCI slot
PCIE : Slot : 8
Graphics card limit
Length: 458mm (without installing front fans, radiators)
Width: 115mm
PSU
Primary PSU slot: SFX/SFX-L / 2U CRPS Redundant
Secondary PSU slot: SFX/SFX-L (Removal of 3.5" drive cage)
Capacity(SSD)
Internal 2.5" SSD x 4
Capacity(HDD)
Internal 3.5″ HDD x 2


Specifications
Model No.
SST-RM31
Chassis Form Factor
3U
Material
Steel
Motherboard
SSI-EEB, SSI-CEB, Extended ATX, ATX, Micro-ATX, Mini-ITX
Drive bay
Internal: 3.5"X2 or 2.5"X2, 2.5"X2
Cooling system
Front: 120mm x 3
Rear: Rear I/O: 60mm x 2
Radiator support
Front: 120mm / 240mm / 360mm
Limitation of CPU cooler
110mm
Expansion slot
8
Limitation of expansion card
Length: 458mm (without installing front fans, radiators)
Width: 115mm
Power supply
Primary PSU slot: SFX/SFX-L / 2U CRPS Redundant
Secondary PSU slot: SFX/SFX-L (Removal of 3.5" drive cage)
Limitation of PSU
Primary PSU slot: 250mm (Removal of 3.5" drive cage eliminates PSU depth limitation)
Secondary PSU slot: 140mm
Front I/O port
USB Type-C x 1
USB 3.0 x 2
LED Indicators
Power status x 1: Blue
HDD activity x 1: White
LAN activity x 2: Green
Dimension
438mm (W) x 132mm (H) x 488mm (D), 28.21 liters
17.24" (W) × 5.20" (H) × 19.21" (D)
Remark
Side switch for chassis intrusion security
* Compatible with rail slide - RMS01/RMS09-20 RMS series rail slide compatibility
* When installing an SFX power supply, the ATX 24/20-pin power cable must be at least 450mm in total length. The CPU 4+4-pin power cable must be at least 700mm in total length.
* When installing a 2U CRPS power supply, the ATX 24/20-pin power cable must be at least 500mm in total length. The CPU 4+4-pin power cable must be at least 700mm in total length.


