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Compact desktop server chassis, matte black finish, 140mm depth

Silverstone Technology

Silverstone Technology ST55F-PT 80 PLUS Platinum Modular Server Chassis

SKU CH-P7PV-6Z3TY

A compact 140mm deep server chassis with 80 PLUS Platinum efficiency, 100% modular cables and a 120mm fan rated at 18 dBA

  • Chassis styleDesktop
  • Compact 140mm depth fits tight server spaces
  • 80 PLUS Platinum efficiency reduces power waste
  • 100% modular cables simplify installation
  • Fan stays off below 20% load for silent operation
  • Single +12V rail delivers 24/7 continuous output at 40°C

Compact Desktop Chassis

The Silverstone Technology ST55F-PT is a desktop server chassis built for space-constrained environments. Its compact design features a depth of 140mm to simplify integration into tight racks or cabinets. It targets builders who need a small footprint without sacrificing power delivery quality.

Suited For Quiet Builds

This unit suits users who prioritise silent operation and high efficiency in a small form factor. The 120mm fan runs at 18 dBA and can stay off below 20% load for fanless idle periods. Buyers who need larger drive bays or extensive internal expansion should look at bigger enclosures.

Straightforward Modular Install

Installation is simplified by 100% modular cables that reduce clutter inside the shallow chassis. The single +12V rail delivers 247W continuous power at up to 40°C operating temperature. The main challenge is routing cables cleanly within the 140mm depth limit.

How it compares

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

Price $197.99
Cheaper than about 58% of the 1,006 comparable items (median $222.49).

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Specifications

Size & build
Chassis styleDesktop

Questions about this item

What motherboard form factor fits this 140 mm deep server chassis?

The chassis is a compact desktop type with a 140 mm depth, so it accepts standard ATX, micro-ATX and mini-ITX boards that fit within that length.

Will the 120 mm fan running at 18 dBA stay quiet when I keep my older PCIe expansion cards installed?

Yes, the fan remains off below 20 % load and runs at 18 dBA under light loads, so legacy add-in cards will not increase noise unless they push power draw past that threshold.

How can I verify the 80 PLUS Platinum efficiency is actually active after I cable the modular 100 % modular cables?

With the system idling below 20 % load the fan should stop completely, and under typical loads the single +12 V rail delivers 24/7 continuous output at 40 °C, confirming the platinum-rated efficiency is functioning.

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