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Silverstone FW91 92mm case fan white blades blue frame 15mm slim design

Silverstone

Silverstone FW91 92mm PWM case fan 1500-2800 RPM

SKU CH-ZTC1-BGBR5 MPN FW91

A 92 mm PWM case fan with a slim 15 mm profile, long-life sleeve bearing and 1500-2800 RPM range delivering 26.8-49.5 CFM at 14.1-27.7 dBA

  • Fan size92 mm
  • Bearing designLong life sleeve
  • Rotational speed1500–2,800 RPM
  • Airflow rate26.8–49.5 CFM
  • Operating noise14.1–27.7 dBA
  • Power input connector4 Pin PWM
  • Slim 15 mm design fits compact cases easily
  • PWM control lets speed match cooling demand precisely
  • 1 to 27.7 dBA range keeps noise low at idle
  • 8 to 49.5 CFM airflow handles demanding thermal loads
  • Long-life sleeve bearing extends service life reliably

Compact 92mm PWM fan for small builds

The Silverstone FW91 is a 92mm case fan designed for compact chassis where space is limited. Its 15mm slim profile and 4-pin PWM connector suit builders who need targeted cooling in tight layouts. White blades and a blue frame add a distinctive look.

Upgrade from stock 80mm or fixed-speed 92mm units

Replacing a basic 80mm fan or a non-PWM 92mm model yields a wider speed range of 1500 to 2800 RPM and airflow of 26.8 to 49.5 CFM. The jump is worth it when noise must stay low at idle, measured at 14.1 dBA, yet headroom exists for heavier loads.

Simple four-pin install with standard 92mm mounting

The 4-pin PWM header plugs directly into most motherboards for automatic speed control. Long-life sleeve bearings reduce maintenance, while the 92.00mm square frame matches common screw holes. Verify case clearance for the 25mm total depth before fitting.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $8.99
Cheaper than about 92% of the 8,339 comparable items (median $19.99).
Fan size 92 mm
Lower than about 69% of the 1,114 comparable items (median 120 mm).

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Specifications

Product
Brand nameSilverStone
Product lineSilverstone Tek Professional PWM 92 mm Fan with Optimal Performance and Low Noise Cooling FW91
Model nameFW91
Product typeCase Fan
Product colorWhite Fan Blades, Blue Frame
Performance
Rotational speed1500–2,800 RPM
Airflow rate26.8–49.5 CFM
Power
Power input connector4 Pin PWM
Size & build
Fan size92 mm
Bearing designLong life sleeve
Product dimensions92 × 92 × 25 mm
Shipping weight0.15 kg
Package size236 × 197 × 48 mm
Compatibility
Compatible withCase
Environment & compliance
Operating noise14.1–27.7 dBA

Questions about this item

Does the 92mm fan fit a standard 92mm mounting pattern?

Yes, the 92mm square frame uses the standard four-hole pattern found on most cases and heatsinks.

How do I connect the 4-pin PWM connector for automatic speed control?

Plug the 4-pin PWM header into a motherboard fan header and enable PWM mode in BIOS so the 1500-2800 RPM range is controlled automatically.

When should I plan to replace the long-life sleeve bearing?

Sleeve bearings typically last several years; replace the fan if noise rises above 27.7 dBA or RPM drops below 1500 under load.

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