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SilverStone 120mm case fan, slim 15mm black frame

Silver Stone Technologies

Silver Stone Technologies FN Series 120mm Case Fan SST-FN123

SKU CH-0EDF-QM9T8

A 120 mm case fan with a slim 15 mm frame and optimised blades that balance airflow, pressure and noise

  • Product typeCase Fan
  • Slim 15mm profile fits compact cases
  • Optimised blades balance air pressure and airflow
  • Hydrodynamic intake design lowers wind noise
  • 120mm case fan for standard mounting
  • SilverStone FN Series cooling solution

Slim 15mm Case Fan

The Silver Stone Technologies FN Series SST-FN123 is a 120mm case fan built with a 15mm slim profile. It targets builders working in compact chassis where standard thicker fans cannot fit. Hydrodynamically optimised intake and refined blade geometry balance airflow with reduced wind noise. The unit ships new and ready for installation in space-constrained systems.

For Compact Builds Not High Static Pressure

This fan suits small-form-factor PCs, low-profile coolers and tight side-panel clearances that demand a thin frame. It is not aimed at radiators or dense heatsinks that require high static pressure from a deeper motor and blade stack. Buyers who need maximum airflow per revolution should consider standard-depth alternatives instead.

15mm Thickness Decides Fit

The single specification that determines compatibility is the 15mm frame thickness. Verify that your case fan mounts cooler brackets or radiator spacing can accommodate this dimension before purchase. A thicker fan will not seat properly in the same slot while a thinner one may not exist in this model line.

How it compares

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

Price $40.99
Pricier than about 85% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Product typeCase Fan

Questions about this item

How do I install the 15 mm thick FN Series fan in a compact case?

Align the four mounting holes with the case fan slots, insert screws through the frame into the case, and avoid over-tightening to prevent warping the slim frame.

Will the hydrodynamic bearing need lubrication or replacement later?

The sealed hydrodynamic bearing is maintenance-free for the fan's rated life; no lubrication is required and the entire unit is replaced if noise or vibration develops.

At what point does the 120 mm fan hit its airflow limit under sustained load?

The optimised blade profile balances static pressure and airflow, so the limit appears when case resistance exceeds the fan's maximum static pressure capability.

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