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SilverStone RM31-MINI
3U rackmount chassis
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SilverStone RM31-MINI: Compact 3U server rack
The SilverStone RM31-MINI is a high-performance 3U rack server chassis designed for demanding professional environments where power, flexibility and thermal efficiency are essential. Designed to accommodate demanding configurations, it supports up to SSI-EEB motherboards, offers eight full-height PCI expansion slots and an SFX/SFX-L power supply.
With compatibility for liquid cooling radiators up to 360mm or the option to install up to three 120mm fans, the RM31-MINI ensures exceptional airflow and optimal thermal control, even under the heaviest loads such as multi-GPU systems for AI or advanced workstations.
Key features
- Robust 3U steel rack chassis, optimised for intensive professional use
- SFX/SFX-L power supply support (limited to 130 mm if HDD cage is present)
- Cooling: supports radiators up to 360 mm and up to 3 120 mm fans at the front
- Compatible with SSI-EEB, SSI-CEB, E-ATX, ATX, Micro-ATX and Mini-ITX motherboards
- 8 full-height PCIe slots for expansion cards
- Supports CPU coolers up to 110 mm in height
- Internal storage bays: 2x 3.5" + 1x 2.5" or 3x 2.5"
- Front ports include USB-C x 1 and USB 3.0 x 2
- LED indicators for power status, HDD activity and LAN activity
Select your criteria
General information |
Product name |
SilverStone RM31-MINI |
Brand |
SilverStone | |
Model |
SST-RM31-MINI | |
Main characteristics |
Graphic card max. length |
361 mm |
Max height CPU fan |
110 mm | |
Power supply max. length |
130 mm | |
Power format |
SFX-L | |
| SFX | ||
Case format |
3U rack | |
Use |
Server | |
Material |
Steel | |
Motherboard format |
ATX | |
| E-ATX | ||
| Micro ATX | ||
| Mini ITX | ||
| SSI CEB | ||
| SSI EEB | ||
Power supply supplied |
No | |
Design |
Screwless fixing system |
No |
Case color |
Black | |
Front color |
Black | |
Integrated display |
No | |
Mesh front |
No | |
Glass |
No | |
Tempered glass |
No | |
Fish tank (panoramic view) |
No | |
LED RGB |
No | |
ARGB LED |
No | |
Water cooling compatible |
Yes | |
Motherboard connector location |
Standard connectors (on the motherboard) | |
Expansion slots |
Number of PCI slots |
8 |
Low profile |
No | |
Number of visible 3.5" slots |
0 | |
Number of invisible 3.5" slots |
0 | |
Number of 2.5" slots |
1 | |
Number of 2.5"/3.5" slots |
2 | |
Number of visible 5.25" slots |
0 | |
Number of invisible 5.25" slots |
0 | |
Number of Slot-in slim 5.25'' slots |
0 | |
Number of Slim 5.25'' slots |
0 | |
Front connectivity |
Location of expansion ports |
Front |
Connector(s) available |
2 X USB 3.0 | |
| 1 X USB 3.0 Type C | ||
Cooling |
Fan(s) included |
Yes |
Number of rear fan(s) slots |
2 X 60mm | |
Quantity of rear fan(s) supplied |
0 | |
Number of front fan(s) slots |
3 X 120mm | |
Quantity of front fan(s) supplied |
0 | |
Water cooling |
AIO radiator compatibility |
360mm radiator |
| 120mm radiator | ||
| 240mm radiator | ||
Front AIO slot(s) |
360mm radiator | |
| 120mm radiator | ||
| 240mm radiator | ||
Above AIO slot(s) |
N/A | |
Side AIO slot(s) |
N/A | |
Rear AIO slot(s) |
N/A | |
Physical characteristics |
Width |
438 mm |
Height |
132 mm | |
Depth |
391 mm | |
Volume |
22.6 l | |
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
|
|
Safety Information |
Responsible person |
SilverStone Technology GmbH |
Postal address |
Kaiserswerther Str. 215, 40474 Düsseldorf, Allemagne | |
Electronic Address |
info.eu@silverstonetek.de |
See all SilverStone products
Product referenced on 27 Feb 2026
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