■ Supports up to SSI-CEB motherboard

■ Supports ATX (PS2)/Mini redundant power supply up to 160mm deep

■ Supports Standard profile PCI / PCIe x 7 slots

■ Front door with key lock for extra security

■ Three 5.25" drive bays for flexible 5.25" device installation

■ 5Gbps Super Speed USB 3.1 Gen 1 interface, backward compatible with USB 2.0 / 1.1

■ Mounting holes ready for quick rail slide installation (rail slide sold separately)


* Compatible with rail slide – RMS06-22



Model No. SST-RM400
Chassis form factor 4U
Material SGCC
Motherboard CEB (12" x 10.5"), ATX (12" x 9.6"), Micro ATX (9.6" x 9.6"), Mini-ITX (6.7" x 6.7")
Drive Bay External 5.25" drive bay x 3
Internal 8 x 3.5"
2 x 2.5” (up to 15mm)
1 x 2.5” (up to 15mm) or slim optical (12.7mm)
Cooling System Front 120 x 25mm fan x 1
80 x 25mm fan x 1(fan not included)
Rear 80 x 25mm fan x 2 (one fan included)
Power Supply PS2 / ATX / Mini Redundant (supports up to 160mm)
Expansion card Compatible up to 8.6” (220mm) in length
Compatible up to 13.3”(339mm) in length with no drives in 3.5” drive cage
Limitation of CPU cooler 148mm
Expansion Slot Standard profile PCI / PCIe x 7
Front I/O Port USB 3.1 Gen1 Type-A x 2
Front buttons Power On / Off, system reset
Indicators Power status x 1, HDD activity x 1, LAN activity x 2
Main metal thickness 1.2mm
Net Weight 10.8 kg
Dimension 430mm (W) x 176mm (H) x 469mm (D)
16.93" (W) x 6.93" (H) x 18.46" (D)
  * The RM400 has two rows of mounting holes for sliding rails. If you wish to align RM400 in one whole U position as opposed to leaving half U height top and bottom, please secure rails to the bottom row of mounting holes.


  • Q&A

Describe Ver Size Download
RM400 manual V1.0 1,079 KB
RM400 High resolution photos 22,399 KB
RM400 eDM (rm400-edm-en.jpg)   428 KB

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