SST-RM51 - Silverstone RM51 5U Rackmount Server Chassis
SST-RM51 - Silverstone RM51 5U Rackmount Server Chassis
Features
RM51
5U rackmount server chassis with dual 180mm fans and enhanced liquid cooling compatibility
- Supports up to SSI-EEB motherboards
- Includes 2 x Air Penetrator 184i PRO fans for superior air intake
- Supports 360mm liquid cooling radiator
- 8 PCI expansion slots
- Reserved sliding rail mounting holes for quick rail installation
- Includes one USB Type-C interface
- Upright or horizontal placement flexibility
- Secondary PSU can be installed if 3.5" drive cage is to be left unoccupied
Dual-purpose chassis - Industrial / Home
Designed for industrial rackmount or high-end home system usage, which can be placed in vertical or horizontal orientations.

Unparalleled rackmount cooling performance
2 x Air Penetrator 184i PRO fans pre-installed to provide excellent system cooling.
Downward compatible with 3 x 120mm fans which also allows for triple 120mm or dual 180mm liquid cooling radiator.

Tremendous hardware versatility
An internal 3.5" drive cage allows installation of 2 x 3.5" HDDs. If it's to be left unoccupied, enables the option of installing a secondary PSU in SFX form factor

Excellent space maximization
To avoid any unforeseen damages to either the motherboard or the graphics cards, an expansion card retainer with storage drive mounting holes is included to prevent sagging of graphics cards while maximizing space utilization

Highly versatile internal layout

Server rack sliding rails can be easily fitted onto the chassis with the reserved mounting holes.
*SST-RMS05-22 (sold separately)

Specifications
Technical Specifications
| Model No. | SST-RM51 |
|---|---|
| Chassis form factor | 5U |
| Motherboard | SSI-EEB, SSI-CEB, Extended ATX, ATX, Micro-ATX, Mini-ITX |
| Material | Steel |
| Drive Bay | Internal3.5" 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 RedundantSecondary PSU slot: SFX (occupies 3.5" bracket) |
| Limitation of PSU | 160mm~190mm(Removal of 3.5" drive cage eliminates PSU depth limitation) |
| Cooling system | Front120mm x 3 / 180mm x 2(2 x Air Penetrator 184i PRO fans included)RearRear I/O: 120mm x 1 / 140mm x 1Rear fan cage: 80mm x 2 |
| Radiator support | Front120mm x 3 / 120mm x 1 + 240mm x 1 / 360mm x 1 (120mm x 3) / 360mm x 1 (180mm x 2)Rear120mm x 1 |
| Limitation of CPU cooler | Height w/ expansion card retainer: 181mmHeight w/o expansion card retainer: 192mm |
| Expansion card | Length: 455mm (without installing front fans and radiators)Width w/ expansion card retainer: 157mmWidth w/o expansion card retainer: 198mm |
| Expansion Slot | 8 |
| Front I/O Port | USB Type-C x 1USB 3.0 x 2 |
| LED indicator | Power status x 1HDD activity x 1LAN activity x 2 |
| Dimension | Incl. rear fan cage: 440mm (W) x 220mm (H) x 530mm (D), 51.3 litersExcl. rear fan cage: 440mm (W) x 220mm (H) x 485mm (D), 46.95 litersIncl. 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 |
Not happy? Return within 7 days of delivery for a full refund or exchange. Items must be unused and in original packaging. Contact contact@kwtech.co.nz to arrange.
| Brand | SilverStone |
|---|---|
| Product Type | B2C - PC Parts & Components |
| Weight | 0.5 kg |
Shipping Information
- Free NZ-wide shipping on orders over $299
- Standard delivery 2–5 business days
- Rural delivery may take an additional 1–2 days
- Same-day dispatch for orders placed before 2pm (weekdays)
Returns Policy
- 7-day returns on unused items in original packaging
- Faulty or damaged products covered under warranty
- Contact our support team to initiate a return


