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Black 5U steel rackmount server chassis with front USB ports and rear fan cage

Silverstone

SilverStone RM52 5U Rackmount Server Chassis Black

SKU CH-XA5F-K3450 MPN RM52

A 5U rackmount server chassis supporting ATX and EATX motherboards with dual 360 mm radiator mounts, eight expansion slots and front USB 3.0 plus Type-C ports

  • Form factor5U
  • Max graphics card length160 mm~190 mm (Removal of 3.5 in drive cage eliminates PSU d
  • Chassis styleRackmount
  • Housing materialSteel
  • Supported motherboard sizesMicro ATX / ATX/ Mini ITX/ EATX/ SSI EEB/ SSI CEB
  • Power supplyPrimary PSU slot: PS2 (ATX) / Mini Redundant Secondary PSU s
  • Dual 360 mm radiator support for intensive cooling
  • Fits Micro ATX, ATX, EATX, SSI EEB and SSI CEB boards
  • Eight expansion slots and 160–190 mm GPU clearance
  • Front USB 3.0 and USB Type-C for quick access
  • Includes 140 mm rear fan plus two 80 mm fans

5U Rackmount Chassis for Server

The SilverStone RM52 is a 5U rackmount server chassis finished in black steel. It accepts Micro ATX, ATX, Mini ITX, EATX, SSI EEB and SSI CEB motherboards, making it suitable for industrial rack deployments or high-end home systems that can be oriented vertically or horizontally. Eight expansion slots provide room for multiple add-in cards.

Dual 360 mm Radiator Support and Included Fans

Cooling capacity includes front mounts for four 120 mm fans or two 360 mm radiators, a rear 120 mm or 140 mm position with one 140 mm fan supplied, and a rear fan cage holding two 80 mm fans that are also included. CPU cooler clearance reaches 181 mm with the expansion card retainer fitted and 192 mm without it, while graphics card length ranges from 160 mm to 190 mm depending on drive cage configuration.

Flexible Drive Layout and Redundant Power Options

Internal storage comprises two 3.5 inch bays that each accept three 2.5 inch drives, two further 3.5 inch bays that can instead house an SFX secondary PSU, plus four dedicated 2.5 inch bays. The primary PSU slot takes a standard PS2 ATX unit or a mini redundant supply. Front I/O provides two USB 3.0 ports and one USB Type-C connector, while LED indicators show power, drive and dual LAN activity. Sliding rail mounting holes are pre-drilled for rack installation.

How it compares

Measured against everything we stock in Rackmount Server Cases, at today’s prices. Recalculated every night.

Price $415.99
Pricier than about 78% of the 1,006 comparable items (median $222.49).
Max graphics card length 160 mm~190 mm (Removal of 3.5 in drive cage eliminates PSU depth limitation)
Lower than about 79% of the 36 comparable items (median 275 mm).

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Specifications

Product
Brand nameSilverStone
Model nameRM52
Product colorBlack
Storage
3.5-inch internal bays2 × 3.5 in (compatible with 3 × 2.5 in) + 2 × 3.5 in (compatible with SFX PSU)
2.5-inch internal bays4
Ports & slots
Expansion card slots8
Front panel ports2 x USB 3.0 / 1 x USB Type-C
Power
Power supplyPrimary PSU slot: PS2 (ATX) / Mini Redundant
Secondary PSU slot: SFX (occupies 3.5 in bracket)
Size & build
Form factor5U
Max graphics card length160 mm~190 mm (Removal of 3.5 in drive cage eliminates PSU depth limitation)
Chassis styleRackmount
Housing materialSteel
Fan mounting optionsFront: 6 × 120 mm
Rear:
Rear I/O: 1 × 120 mm / 1 × 140 mm (1 × 140 mm fan included)
Rear fan cage: 2 × 80 mm (2 × 80 mm fans included)
Product dimensionsIncl. rear fan cage: 8.66 in × 17.3 in × 23.82 in
Excl. rear fan cage: 8.66 in × 17.3 in × 22.05 in
Product weight25.24 lb (11.4 kg)
Shipping weight18.14 kg
Package size711 × 584 × 432 mm
Compatibility
Supported motherboard sizesMicro ATX / ATX/ Mini ITX/ EATX/ SSI EEB/ SSI CEB
CPU cooler height limitHeight w/ expansion card retainer: 181 mm
Height w/o expansion card retainer: 192 mm
Radiator supportFront: 4 × 120 mm / 2 × 360 mm
Rear: 1 × 120 mm
More details
Status lights1 x Power status
1 x HDD activity
2 x LAN activity

Questions about this item

How do I install the 140 mm rear fan and the two 80 mm fans in the rear cage, and what step is often missed?

The 140 mm fan mounts on the rear I/O panel and the two 80 mm fans go in the rear fan cage; the step often missed is securing the cage with its screws before sliding the chassis into the rack.

Which dust filters will need cleaning or replacement over time?

The front panel has removable filters for the six 120 mm intake positions; the rear 140 mm and 80 mm fans also have filter meshes that should be cleaned periodically.

What thermal limit appears first when the system runs sustained loads with dual 360 mm radiators?

The front radiator space fits two 360 mm units, but the 160–190 mm GPU length restriction and 181 mm CPU cooler height with the retainer in place become the limiting factors under heavy sustained loads.

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