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Silver metal 5U rackmount server chassis with dual 180mm front fans

Silverstone Technology

SilverStone Technology RM51 5U Rackmount Server Chassis with Dual 180mm Fans

SKU CH-3V67-WZ21M

A 5U rackmount server chassis supporting SSI-EEB motherboards with dual 180mm fans and 360mm radiator capacity

  • Chassis styleRackmount
  • Supports SSI-EEB motherboards up to 12" x 13" for high-density builds
  • Two 180mm Air Penetrator 184i PRO fans deliver high-volume front intake
  • Fits 360mm liquid cooling radiator for advanced thermal management
  • Eight rear expansion slots accommodate multiple add-in cards
  • Pre-drilled rail holes work with RMS05-22 for fast rack mounting

Compact 5U Rackmount Server Chassis

The SilverStone RM51 is a 5U rackmount chassis built for dense server deployments that still demand full-size components. It accepts SSI-EEB and True Extended ATX motherboards measuring 12 by 13 inches and provides eight rear expansion slots for add-in cards. The design targets system integrators who need high cooling capacity in a standard rack footprint.

Dual 180mm Intake Fans With Radiator Support

Two pre-installed Air Penetrator 184i PRO 180mm fans deliver high-volume front intake and are downward compatible with three 120mm units. The front panel supports up to a 360mm liquid cooling radiator, while the chassis depth accommodates graphics cards up to 455mm and power supplies up to 190mm long. This layout moves significant air through a compact 5U space.

Flexible Drive Cage And Mounting Options

A removable drive cage holds two 3.5-inch hard drives and can be removed to make room for a secondary power supply in the dual-purpose cage. The chassis also supports three 2.5-inch SSDs in the same area. Pre-drilled holes accept the RMS05-22 rail kit for quick rack mounting, and integrated handles with feet allow horizontal or upright placement.

How it compares

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

Price $686.99
Pricier than about 86% of the 1,006 comparable items (median $222.49).

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Specifications

Size & build
Chassis styleRackmount

Questions about this item

How do I install the RM51 in a rack using the pre-drilled holes for the RMS05-22 rails?

Align the chassis pre-drilled mounting holes with the RMS05-22 rail brackets, secure with the provided screws, then slide the unit into the rack and lock the rails; the 5U height occupies five rack units.

What maintenance will the two pre-installed Air Penetrator 184i PRO 180mm fans require over time?

Periodically remove dust from the fan blades and intake grilles using compressed air or a soft brush; the fans are mounted on removable frames for easier cleaning without disassembling the whole chassis.

What is the first thermal limit reached when running a 360mm liquid-cooling radiator and dual 180mm fans under sustained load?

The 5U internal volume and dual 180mm intake fans set the airflow ceiling; once the radiator exhaust temperature equals the intake temperature, further heat cannot be removed without increasing fan speed or reducing component power.

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