Noctua
Noctua NF-R8 redux-1800, PWM Quiet Fan 80mm
Bottom line: The Noctua NF-R8 redux-1800 ($13.95 on Amazon as of 2026-10-20 22:16 UTC): 4-pin PWM lets the motherboard drop RPM to near-silent at idle; main trade-off: 80mm frame moves far less air than a 120mm at equal noise.
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*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 4-pin PWM lets the motherboard drop RPM to near-silent at idle
- ✓ 17.1 dB(A) ceiling at full 1800 RPM -- audible only up close
- ✓ Tuned for static pressure, so it works behind grilles and filters
Cons
- ✗ 80mm frame moves far less air than a 120mm at equal noise
- ✗ Redux edition ships without the anti-vibration mounts and adaptors
- ✗ 1800 RPM ceiling limits it for high-restriction radiator duty
- ✗ Accessories (Y-splitters, S-ATA adaptors, extensions) cost extra
Manufacturer description
The Noctua NF-R8 redux-1800 PWM brings Noctua's award-winning NF-R8 fan design to an 80mm chassis slot at a price that makes replacing a screaming stock fan an easy call. The 80x80x25mm frame runs on 12V through a 4-pin PWM header, so your motherboard throttles it automatically -- up to 1800 RPM when a drive bay or VRM heatsink needs airflow, and virtually silent at idle. Noise tops out at 17.1 dB(A), which is why this fan earns its "quiet" label rather than just claiming it. Noctua tuned the NF-R8 for static pressure as well as raw CFM, so it pushes air through restrictive grilles and…
SpecPicks Verdict
SpecPicks scored Noctua NF-R8 redux-1800 using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpu coolers & fans category. Noctua's retro cpu coolers & 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 retro cpu coolers & 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.
Frequently Asked Questions
Will this fit an 80mm fan slot in an older PC case?
Yes. The NF-R8 redux-1800 uses the standard 80x80x25mm form factor with standard screw hole spacing, so it drops into any 80mm mount.
How loud is it at full speed?
Noctua rates it at a maximum of 17.1 dB(A) at its 1800 RPM ceiling. Under PWM control the motherboard lowers RPM at idle, dropping it further.
Do I need a 4-pin motherboard header?
For automatic speed control, yes -- it is a 4-pin PWM fan. It will still spin on a 3-pin header, but at full 1800 RPM with no throttling.
Can I use it as a replacement fan in a NAS?
Noctua specifically lists NAS and other device fan replacement as an intended use, thanks to its static pressure tuning and 12V 4-pin PWM wiring.
What is the difference between the redux version and the regular NF-R8?
Redux is the streamlined edition: the same NF-R8 fan engineering at a lower price, with accessories like anti-vibration mounts and Y-splitters sold separately.
Key Features
- High performance cooling fan, 80x80x25mm, 12V, 4-pin PWM, max. 1800 RPM, max. 17.1 dB(A), >150,000 h MTTF
- Renowned NF-R8 high-end 80x25mm 12V fan, more than 100 awards and recommendations from international computer hardware websites and magazines, hundreds of thousands of satisfied users
- Highly optimised low-noise design with outstanding quietness of operation, static pressure and airflow (CFM), ideal for chassis ventilation, cooling fan replacement for NAS and other devices, etc.
- 1800rpm 4-pin PWM version with excellent balance of performance and quietness, supports automatic motherboard speed control (powerful airflow when required, virtually silent at idle)
- Streamlined redux edition: proven Noctua quality at an attractive price point, wide range of optional accessories (anti-vibration mounts, S-ATA adaptors, y-splitters, extension cables, etc.)
Full Specifications
| Brand | Noctua |
|---|---|
| Model | NF-R8 redux-1800 PWM |
| Voltage | 12 volts |
| Material | Fibre-glass reinforced PBT |
| Dimensions | 80x80x25mm |
| Unit Count | 1 Count |
| Noise Level | 17.1 db |
| Part Number | NF-R8 redux-1800 PWM |
| Material Type | Fibre-glass reinforced PBT |
| Cooling Method | Air |
| Number of Items | 1 |
| Number of Packs | 1 |
| Vibration/Rumble | Yes |
| Air Flow Capacity | 53.3 cubic meter per hour |
| Compatible Devices | Desktop |
| Power Connector Type | 4-Pin |
| Warranty Description | 6 year manufacturer’s warranty |
| Maximum Rotational Speed | 1800 rpm |
| Item Dimensions L x W x H | 3.15"L x 3.15"W x 0.98"H |
| Global Trade Identification Number | 00842431012425, 04716123315339 |
Ready to buy?
Noctua NF-R8 redux-1800, PWM Quiet Fan 80mm 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 2026-10-20. Price and availability subject to change.
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