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SilverStone RM4A
4U rackmount chassis
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Versatile and flexible 4U chassis
The SilverStone RM4A is a 4U rackmount server chassis designed for demanding professionals who want to combine performance, flexibility and reliability in their server or NAS configurations. With its extensive liquid cooling compatibility, generous expansion space and robust design, this rackmount case meets the needs of intensive computing environments and high-performance systems.
SilverStone RM4A
Designed for professional users and server integrators, the SilverStone RM4A supports motherboard formats ranging from Mini-ITX to SSI-EEB, offering ideal compatibility for a wide range of configurations. Its design incorporates compatibility with liquid cooling radiators up to 360mm, accompanied by two 80mm rear fans to ensure optimal airflow even under heavy loads.
A retention system for expansion cards protects your critical components while optimising internal space, and a front-panel USB Type-C interface facilitates daily operations with fast data transfers. With 8 PCI/PCIe expansion slots and a sturdy steel chassis, the RM4A provides a solid foundation for building powerful and scalable servers.
Key features:
- 4U rack form factor for professional servers and NAS
- Supports SSI-EEB, SSI-CEB, Extended ATX, ATX, Micro-ATX and Mini-ITX motherboards
- Compatible with liquid cooling radiators up to 360 mm and two 80 mm rear fans
- 8 full-size PCI/PCIe expansion slots
- Expansion card retention system to secure GPUs and specialised cards
- Front ports: USB Type-C x 1, USB 3.0 x 2
- Internal drive support: 3.5" x 2 (compatible with 2.5" x 3) + 2.5" x 4
- Robust steel construction for increased reliability in server environments
- Compatible with standard ATX power supplies up to 255mm deep
Select your criteria
General information |
Product name |
SilverStone RM4A |
Brand |
SilverStone | |
Model |
SST-RM4A | |
Main characteristics |
Graphic card max. length |
424 mm |
Max height CPU fan |
148 mm | |
Power supply max. length |
255 mm | |
Power format |
ATX/EPS | |
Case format |
4U rack | |
Use |
Server | |
Material |
Steel | |
Motherboard format |
ATX | |
| Micro ATX | ||
| Mini ITX | ||
| SSI CEB | ||
| E-ATX | ||
| 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 | |
ARGB hub included |
No | |
Water cooling compatible |
Yes | |
Expansion slots |
Number of PCI slots |
8 |
Low profile |
No | |
Number of visible 3.5" slots |
0 | |
Number of invisible 3.5" slots |
2 | |
Number of 2.5" slots |
4 | |
Number of 2.5"/3.5" slots |
0 | |
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 |
No |
Number of rear fan(s) slots |
2 X 80mm | |
Quantity of rear fan(s) supplied |
0 | |
Number of front fan(s) slots |
3 X 120mm | |
Quantity of front fan(s) supplied |
0 | |
Number of side fan(s) slots |
None | |
Number of above fan(s) slots |
None | |
Water cooling |
AIO radiator compatibility |
240mm radiator |
| 360mm radiator | ||
| 120mm radiator | ||
Front AIO slot(s) |
120mm radiator | |
| 240mm radiator | ||
| 360mm radiator | ||
Physical characteristics |
Width |
440 mm |
Height |
176 mm | |
Depth |
446 mm | |
Weight |
7.63 kg | |
Volume |
34.5 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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