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Black 4U rackmount server chassis with front anti-theft lock and USB-C port

Silverstone Technology

SilverStone Technology RM44 4U Rackmount Server Chassis 360mm Radiator Support

SKU CH-WNZ9-WPK09

4U rackmount server chassis supporting 360mm radiators, SSI-EEB boards, eight expansion slots, USB Type-C, sliding rails, anti-theft lock and vertical or horizontal mounting

  • Chassis styleRackmount
  • Supports 360 mm liquid-cooling radiators for high-density thermal performance
  • Fits SSI-EEB and Extended ATX motherboards in a 4U rackmount form factor
  • Eight PCIe expansion slots enable dense add-in-card configurations
  • Sliding rail mounting holes simplify rack installation and maintenance
  • Front-panel anti-theft lock and USB-C port add security and modern connectivity

4U Rackmount Chassis for Liquid-Cooled Servers

The SilverStone RM44 is a 4U rackmount server chassis designed for builds that need extensive liquid-cooling capacity. It accepts radiators up to 360 mm and supports SSI-EEB and Extended ATX motherboards. Eight PCIe or PCI expansion slots provide room for multiple add-in cards. The chassis includes sliding rail mounting holes for rapid rack integration and can be positioned upright or horizontally. A front-panel anti-theft lock adds physical security for shared environments.

Upgrade from Air-Cooled or Smaller Rack Cases

This chassis replaces 2U or 3U enclosures that cannot fit a 360 mm radiator or full-size motherboards. The jump is worth it when thermal headroom for high-density CPUs or GPUs is the limiting factor. It also suits migrations from tower workstations that require rack density and rail mounting. Builds staying with air cooling or standard ATX boards in shallow racks will not use the extra radiator clearance or EEB mounting points.

Verify Radiator Clearance and Rail Compatibility

Confirm your chosen 360 mm radiator and fan stack fit within the internal layout alongside the motherboard and power supply. Check that your rack depth and rail kit match the sliding-hole spacing on the chassis. Ensure the single front USB Type-C port meets your connectivity needs, as no additional front I/O is listed. The 30-pound weight requires a rack rated for the load and safe handling during installation.

How it compares

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

Price $371.99
Pricier than about 74% of the 1,006 comparable items (median $222.49).

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Specifications

Size & build
Chassis styleRackmount

Questions about this item

Will a 360 mm radiator fit in the RM44?

The chassis supports radiators up to 360 mm, so a 360 mm unit will mount without modification.

How do the sliding rails attach to the 4U rackmount?

The chassis includes sliding rail mounting holes; align the rails with those holes and secure them before sliding the unit into the rack.

What front-panel parts may need replacement over time?

The anti-theft lock mechanism and the USB Type-C port on the front panel are the components most likely to require service later.

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