Noctua
Noctua NF-A12x25 G2 PWM
—
Released 2025
Best Case Fans · head-to-head
A sourced, side-by-side comparison. Phanteks T30-120 is cheaper at $39.99. Every spec and price links to its source.
Noctua
—
Released 2025
Phanteks
$39.99
The Phanteks T30-120 wins 1 of the 1 specs we compare head to head; the other wins 0.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | — | $39.99 |
| Brand | Noctua | Phanteks |
| Released | 2025 | — |
| Fan size (mm) | 120 | 120 |
| Thickness (mm) | 25 | 30 |
| Max airflow (CFM) | 63.2 | 100.9 |
| Max static pressure mm h2 o | 3.14 | 7.37 |
| Max speed (rpm) | 1800 | 3000 |
| Min speed (rpm) | — | 0 |
| Max noise dba | 22.5 | 39.7 |
| Bearing type | sso2 | magnetic-levitation |
| Connector type | 4-pin-pwm | 4-pin-pwm |
| Lighting | none | none |
| Mtbf hours | 150000 | — |
| Weight grams | — | 230 |
Sources — Noctua NF-A12x25 G2 PWM: techpowerup.com (verified 2026-07-11). Phanteks T30-120: phanteks.com (verified 2026-07-11).
Where the two actually differ on the specs we track (6 of 12). Matching specs are omitted.
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
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.
Only one whitelisted hands-on source survived verification: Tom's Hardware (Aug 2021), which found the T30-120 to be the first fan to beat Noctua's NF-A12x25 on noise-normalized airflow, aided by its 30mm thickness. It praises the switchable operating modes, build/construction quality, and daisy-chaining, while cautioning that the extra thickness can hurt case/radiator fit. The TechPowerUp entry was dropped because the fetched page returned only the review's introduction; none of its cited quotes or measured test values (which live on later pages of the paginated review) could be confirmed in the retrieved text. (1 sourced review, 1 lab-tested.)
Praised: Dethrones the Noctua NF-A12x25 with best-in-class noise-normalized airflow performance; Flexible tuning via switchable operating modes / rear speed switch; Very good build and construction quality.
Flagged: 30mm thickness lowers case/radiator compatibility — verify fit before buying; No RGB at the ~$30 price; a separate Phanteks Halo ring is needed for lighting.