Best Case Fans · head-to-head

Noctua NF-A12x25 G2 PWM vs be quiet! Silent Wings 4 120mm

A sourced, side-by-side comparison. Noctua NF-A12x25 G2 PWM is cheaper at —. Every spec and price links to its source.

Which is better: the Noctua NF-A12x25 G2 PWM or be quiet! Silent Wings 4 120mm?

The Noctua NF-A12x25 G2 PWM wins 1 of the 1 specs we compare head to head; the other wins 0.

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Key specs, head to head

The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.

Max airflow (CFM)
Noctua NF-A12x25 G2 PWM 63.2
be quiet! Silent Wings 4 120mm 48.7

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Noctua NF-A12x25 G2 PWM be quiet! Silent Wings 4 120mm
US price
BrandNoctuabe quiet!
Released2025
Fan size (mm) 120 120
Thickness (mm) 25 25
Max airflow (CFM) 63.2 48.7
Max static pressure mm h2 o 3.14 1.79
Max speed (rpm) 1800 1600
Min speed (rpm)
Max noise dba 22.5 18.9
Bearing type sso2 fluid-dynamic
Connector type 4-pin-pwm 3-pin-dc
Lighting none none
Mtbf hours 150000 300000
Weight grams 190

Sources — Noctua NF-A12x25 G2 PWM: techpowerup.com (verified 2026-07-11). be quiet! Silent Wings 4 120mm: bequiet.com (verified 2026-07-11).

What's the difference between the Noctua NF-A12x25 G2 PWM and be quiet! Silent Wings 4 120mm?

Where the two actually differ on the specs we track (7 of 12). Matching specs are omitted.

  • Max airflow (CFM): Noctua NF-A12x25 G2 PWM 63.2 vs be quiet! Silent Wings 4 120mm 48.7
  • Max static pressure mm h2 o: Noctua NF-A12x25 G2 PWM 3.14 vs be quiet! Silent Wings 4 120mm 1.79
  • Max speed (rpm): Noctua NF-A12x25 G2 PWM 1800 vs be quiet! Silent Wings 4 120mm 1600
  • Max noise dba: Noctua NF-A12x25 G2 PWM 22.5 vs be quiet! Silent Wings 4 120mm 18.9
  • Bearing type: Noctua NF-A12x25 G2 PWM sso2 vs be quiet! Silent Wings 4 120mm fluid-dynamic
  • Connector type: Noctua NF-A12x25 G2 PWM 4-pin-pwm vs be quiet! Silent Wings 4 120mm 3-pin-dc
  • Mtbf hours: Noctua NF-A12x25 G2 PWM 150000 vs be quiet! Silent Wings 4 120mm 300000

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Noctua NF-A12x25 G2 PWM

Two whitelisted outlets ran hands-on, measured tests of this exact 120 mm fan: TechPowerUp (a dedicated multi-page review) and Tom's Hardware (a head-to-head against Arctic's P12 Pro). Both rank it among the best-performing and quietest 120 mm fans available, with the only recurring criticism being its roughly $35-per-fan price. (1 sourced review, 1 lab-tested.)

Praised: Class-leading airflow and overall performance among 120 mm fans; Very quiet with a refined, low-pitched acoustic profile; inaudible at minimum speed; Extremely linear, consistent RPM range with near-zero sample variation plus a zero-RPM mode.

Flagged: Expensive at roughly $35 per single fan; No daisy-chaining support; Divisive brown/beige color scheme.

be quiet! Silent Wings 4 120mm

No sourced tester review yet.

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