Noctua

Noctua NF-A12x25 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin, 5V Version (120mm, Brown)

Name: Noctua NF-A12x25 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin, 5V Version (120mm, Brown)
Brand: Noctua
SKU: B07DXQTCK6

Status: Noctua NF-A12x25 5V PWM: Unavailable on Amazon as of 2026-10-20 10:22 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The Noctua NF-A12x25 5V PWM: Near-silent 21.4 dB(A) at 1900 RPM max; main trade-off: 5V-only build won't run on standard 12V headers.

Unavailable on Amazon as of 2026-10-20 10:22 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: Noctua NF-A12x25 PWM — $34.95 on Amazon as of 2026-10-21 04:20 UTC (price may vary).

View Current Price — $34.95

Similar: Noctua NF-A12x25 FLX — $34.95 on Amazon as of 2026-10-21 04:20 UTC (price may vary).

View Current Price — $34.95

Similar: Noctua NF-A12x25 LS-PWM — $34.95 on Amazon as of 2026-10-21 04:20 UTC (price may vary).

View Current Price — $34.95

Original listing (currently unavailable) → Compare to similar cooling & fans

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ Near-silent 21.4 dB(A) at 1900 RPM max
✓ Rated for >150,000-hour MTTF lifespan
✓ USB adaptor runs it off power banks or USB ports
✓ Ships with anti-vibration mounts, screws, extension cable and OmniJoin adaptor

Cons

✗ 5V-only build won't run on standard 12V headers
✗ Brown/beige colorway clashes with many builds
✗ Single-fan pack, so multi-fan setups add up
✗ 1900 RPM ceiling trails high-RPM 12V static-pressure fans

SpecPicks Verdict

SpecPicks scored Noctua NF-A12x25 5V PWM 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

Premium quiet fan, 120x120x25mm, 5V, 4-pin PWM, 1900 RPM, max. 21.4 dB(A), >150,000 h MTTF
Next-generation 120x25mm A-series design provides unprecedented quiet cooling performance, ideal for CPU coolers and watercooling radiators
5V 4-pin PWM version with polarity protection for 5V applications with PWM speed control
USB power adaptor cable allows the fan to run on devices with USB host ports, power banks or USB power supplies such as those used by smartphones
Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connection to proprietary fan headers

Full Specifications

Brand	Noctua
Model	NF-A12X25 5V PWM
Voltage	5 Volts
Material	Sterrox® LCP
Dimensions	120x120x25mm
Unit Count	1.0 Count
Noise Level	21.4 Decibels
Part Number	NF-A12X25 5V PWM
Connectivity	USB
Material Type	Sterrox® LCP
Cooling Method	Air
Number of Items	1
Vibration/Rumble	Yes
Air Flow Capacity	96.2 Cubic Meters Per Hour
Compatible Devices	Desktop
Included Components	Fan Mounting Screws
Power Connector Type	4-Pin
Warranty Description	6 year manufacturer’s warranty
Maximum Rotational Speed	1900 RPM
Item Dimensions L x W x H	4.72"L x 4.72"W x 0.98"H

Ready to buy?

Amazon shows no buyable offer for Noctua NF-A12x25 5V PWM at the last check. A similar in-stock product is Noctua NF-A12x25 PWM. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $34.95