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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 TypeRackmount
  • 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.

Highlights

  • 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

Specifications

Chassis TypeRackmount

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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