Noctua NF-A14x25 G2 PWM chromax.Black, Premium-Quality Quiet 140mm PC Fan (Black)
Bottom line: The Noctua NF-A14x25 G2 PWM chromax.Black ($44.95 on Amazon as of 2026-10-21 04:20 UTC): 300-1500 RPM PWM range with 0% PWM stop for semi-passive idle; main trade-off: 1500 RPM ceiling trails high-RPM radiator fans for extreme loads.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 300-1500 RPM PWM range with 0% PWM stop for semi-passive idle
- ✓ Sterrox LCP impeller with winglets and ultra-tight tip clearance
- ✓ SSO2 bearing rated MTTF over 150,000 hours
- ✓ Ships with LNA, extension and splitter cables, screws and gasket
Cons
- ✗ 1500 RPM ceiling trails high-RPM radiator fans for extreme loads
- ✗ Chromax black finish costs more than the standard brown model
- ✗ Needs a 4-pin PWM header; 3-pin DC boards lose speed control
- ✗ 140mm frame will not fit 120mm-only cases or radiators
SpecPicks Verdict
SpecPicks scored Noctua NF-A14x25 G2 PWM chromax.Black using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Noctua's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Next-gen 140x25mm design for unprecedented quiet cooling performance in both high airflow and high static pressure applications: ideal as a PC case fan, on CPU coolers and water cooling radiators!
- All-black chromax version with black anti-vibration mounts. 14cm anti-vibration gasket for tighter seal on radiators, fan screws, Low-Noise Adaptor (LNA), extension cable and splitter cable included
- State-of-the-art engineering (Progressive-Bend impeller with winglets and Centrifugal Turbulator, Flow Acceleration Channels, AAO frame) and construction (Sterrox LCP, ultra-tight tip clearance)
- 4-pin PWM version for automatic speed control via 4-pin PWM motherboard fan headers, 300-1500rpm speed range (near-silent at idle, powerful under load), fan stops at 0% PWM (semi-passive option)
- Trusted Noctua quality with premium-grade SSO2 bearing (MTTF > 150,000 h), safety certifications from UL and TÜV, protected against reverse polarity, over voltage and over current (short-circuits)
Full Specifications
| Brand | Noctua |
|---|---|
| Model | NF-A14x25 G2 PWM chromax.black |
| Voltage | 12 Volts |
| Wattage | 2.28 watts |
| Material | Sterrox LCP |
| Unit Count | 1.0 Count |
| Noise Level | 24.8 Decibels |
| Part Number | NF-A14x25 G2 PWM chromax.black |
| Compatibility | PC |
| Material Type | Sterrox LCP |
| Cooling Method | Air |
| Number of Items | 1 |
| Vibration/Rumble | Yes |
| Air Flow Capacity | 155.6 Cubic Meters Per Hour |
| Compatible Devices | Desktop |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 1500 RPM |
| Item Dimensions L x W x H | 5.51"L x 5.51"W x 0.98"H |
Ready to buy?
Noctua NF-A14x25 G2 PWM chromax.Black, Premium-Quality Quiet 140mm PC Fan (Black) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Related Cooling & Fans
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best 1440p Gaming GPUs in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- How to Build a Windows 98 Retro PC in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
More reviews from the SpecPicks archive
Browse all reviews →- Best Budget PC Gaming Upgrades Under $150 in 2026
- Ryzen 5 5600G as a Budget Local-LLM Host: iGPU + System RAM in 2026
- RTX 3060 12GB vs RTX 4060 Ti 16GB for Qwen2.5-Coder 14B (2026)
- Best Retro PC Storage Adapters in 2026: IDE, SATA & CompactFlash Picks
- Local Coding Agents: 87% HumanEval with a 4B-Parameter Model
- Hands-On: Asus ROG Harpe II Extreme Edition 20 Gaming Mouse
- Self-Host Jellyfin on a Raspberry Pi 4 8GB in 2026
- Console to Gaming PC: What Changes in 2025
- Raspberry Pi Projects for Home Automation in 2025
- Gemini-SQL2 Tops Text-to-SQL — Can a 12GB RTX 3060 Run Local SQL Models Instead?
- Claude Opus 4.8 Tops the Intelligence Index: Cloud vs Local on a 3060
- Amstrad CPC 464/6128 Emulator on Raspberry Pi Pico 2
- How to run DeepSeek-R1 32B on Apple M3 Ultra
- Best Beginner Racing Wheel in 2026: Logitech G920 vs HORI Racing Wheel Overdrive
- Best SteamOS Handheld Gaming PCs in 2025: What to Buy
- Best SATA SSD to Upgrade Your PS4 Pro Storage in 2026
- Best Streaming Kit for New Creators in 2026
- Best Budget Streaming Setup in 2026: 5 Picks Under Budget
- Retro Game Emulator for TV: 2025 Setup & GPU Guide
- Best Streaming Gear for New Creators in 2026
- Best Upgrades for a DDR4 Gaming PC in 2026
- KOORUI 27-inch 4K QD-Mini LED: A Budget HDR Gaming Monitor?
- Inside reusable-agents: A Self-Hostable LLM Agent Framework Driving Two Live Consumer Sites in 2026
- Best Way to Stream a PS4 Pro to PC: Elgato Cam Link 4K Capture Setup
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090