--- product_id: 23490436 title: "Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown)" brand: "noctua" price: "$47.20" currency: USD in_stock: true reviews_count: 13 category: "Noctua" url: https://www.desertcart.us/products/23490436-noctua-nf-a9-pwm-premium-quiet-fan-4-pin-92mm store_origin: US region: United States of America --- # >150,000 h MTTF durability 2000 RPM max speed 22.8 dB(A) ultra-quiet noise Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown) **Brand:** noctua **Price:** $47.20 **Availability:** ✅ In Stock ## Summary > 🛠️ Upgrade your airflow game with the fan that works as hard as you do! ## Quick Answers - **What is this?** Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown) by noctua - **How much does it cost?** $47.20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/23490436-noctua-nf-a9-pwm-premium-quiet-fan-4-pin-92mm) ## Best For - noctua enthusiasts ## Why This Product - Trusted noctua brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision PWM Control:** Seamlessly adjust fan speed from 400 to 2000 RPM for perfect thermal management tailored to your workload. - • **Whisper-Quiet Cooling:** Experience near-silent airflow with advanced acoustic optimization that keeps your workspace distraction-free. - • **Complete Accessory Kit:** Includes anti-vibration mounts, extension and Y-cables, and a Low-Noise Adaptor for effortless installation and ultra-quiet operation. - • **Rock-Solid Reliability:** Built with fibre-glass reinforced blades and SSO2 bearings, engineered to outlast your longest projects with >150,000 hours MTTF. - • **Versatile Compatibility:** Ideal for compact builds, NAS devices, and 9cm CPU coolers—upgrade your system without hassle or modification. ## Overview The Noctua NF-A9 PWM is a premium 92mm 4-pin PWM fan designed for ultra-quiet, efficient cooling in compact PC cases and NAS devices. Featuring advanced acoustic optimization and Flow Acceleration Channels, it delivers up to 2000 RPM airflow at a whisper-quiet 22.8 dB(A). Built with durable fibre-glass reinforced blades and SSO2 bearings, it boasts an exceptional >150,000-hour MTTF rating. The fan comes with a comprehensive accessory kit including anti-vibration mounts, extension cables, and a Low-Noise Adaptor, making it the go-to upgrade for professionals seeking silent, reliable cooling. ## Description Buy Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown): Case Fans - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Good little fan and worth the extra price. Quiet and lasts forever - Bought this to replace the broken stock fan in my UGREEN NAS DXP2800 and it ended up being a perfect drop‑in upgrade. Noise level: At typical NAS fan curves it’s basically whisper quiet, even sitting on a desk a few feet away. Cooling: Despite the low noise, it moves enough air that my drive and system temps stayed the same or slightly improved compared to the original fan. Cable length: The included cable is long enough to route cleanly inside the NAS without needing an extension or weird bends. Mountability: Standard 92mm mounting holes lined right up; swap took a few minutes with just a screwdriver and no mods needed. Speed and airflow: PWM control works as expected, ramps smoothly under load, and at higher RPMs you get noticeably stronger airflow without a huge jump in noise. Overall, if you’re looking for a reliable, quiet replacement fan for a small NAS or SFF build, this one is worth paying a bit extra for. Review: Best 92mm fan on the market - The Noctua NF-A9 PWM (92mm, 4-pin) is one of those components that quietly justifies its premium price — literally and figuratively.I've used several Noctua fans over the years, and this 92mm PWM model continues the brand's reputation for exceptional build quality and acoustic performance. At max 2000 RPM it pushes a solid amount of air (around 78.9 m³/h), yet the noise tops out at just 22.8 dB(A) — in practice, it's barely audible even in a near-silent room unless you put your ear right next to the case. With the included Low-Noise Adaptor plugged in, it becomes whisper-quiet while still providing perfectly adequate cooling for most 92mm applications.What stands out:The PWM control is smooth and responsive; the fan ramps up/down almost imperceptibly as temps change. Flow Acceleration Channels and the AAO (Advanced Acoustic Optimisation) frame genuinely reduce turbulence noise compared to generic fans. Comes with a generous accessory kit: anti-vibration mounts (the classic brown grommets), extension cable, Y-splitter for daisy-chaining two fans on one header, screws, and the LNA adaptor. Build feels rock-solid — fibre-glass reinforced PBT blades, SSO2 bearing, and Noctua's legendary >150,000-hour MTTF rating give real confidence it'll outlast most other PC parts. ## Features - Premium quiet fan, 92x92x25 mm, 12V, 4-pin PWM, max. 2000 RPM, max. 22.8 dB(A), >150,000 h MTTF - Award-winning 92x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance - Ideal for 9cm CPU coolers (e.g. Noctua NH-U9(S) & NH-D9L series), compact PC cases (HTPC, ITX, Small Form Factor), replacement fan for NAS and other devices, etc. - 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 400-2000rpm speed range (1550rpm max. with supplied Low-Noise Adaptor) - Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and y-cable for running two PWM fans on the same header ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00RUZ059O | | Best Sellers Rank | #52 in Computer Case Fans | | Brand | Noctua | | Brand Name | Noctua | | Compatible Devices | Desktop | | Cooling Method | Air | | Customer Reviews | 4.8 out of 5 stars 4,181 Reviews | | Global Trade Identification Number | 04139052263135, 04716123315513 | | Item Dimensions L x W x H | 3.62"L x 0.98"W x 3.62"H | | Item Weight | 8 ounces | | Manufacturer | Noctua | | Material Type | Fibre-glass reinforced PBT | | Maximum Rotational Speed | 2000 RPM | | Model | NF-A9 PWM | | Noise Level | 22.8 Decibels | | Number of Items | 1 | | Part Number | NF-A9 PWM | | Power Connector Type | 4-Pin | | Product Dimensions | 3.62"L x 0.98"W x 3.62"H | | UPC | 842431014481 731215275791 | | Unit Count | 1.0 Count | | Voltage | 12 Volts | | Warranty Description | 6 year manufacturer’s warranty | ## Product Details - **Brand:** Noctua - **Compatible Devices:** Desktop - **Cooling Method:** Air - **Material:** Fibre-glass reinforced PBT - **Maximum Rotational Speed:** 2000 RPM - **Noise Level:** 22.8 Decibels - **Power Connector Type:** 4-Pin - **Product Dimensions:** 3.62"L x 0.98"W x 3.62"H - **UPC:** 842431014481 731215275791 - **Voltage:** 12 Volts ## Images ![Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown) - Image 1](https://m.media-amazon.com/images/I/81YGnt3WkSL.jpg) ## Questions & Answers **Q: Is this a 3 pin or 4 pin fan?** A: It is a 4 pin fan, however; it could be connected to 3 pin but it will run at full speed, according to the manual **Q: Does this fan come with a retension clip to attach to a nh-u9s?** A: No it does not but the nh-u9s comes with two sets of retention clips, two for each fan. **Q: Is this NF-A9 PWM delivered with a Y-adapter for two fan hookup?** A: Yes It is complete with a Y csble, an extension cable and a speed reducer. It is packed in a quality box like expensive watches with formed padding. **Q: Is it possible to wire with 2 wires, a hot and a ground?** A: yes. You need to connect 12V + Ground http://noctua.at/en/products/cpu-cooler-retail.html?faq_view=72 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good little fan and worth the extra price. Quiet and lasts forever *by R***N on January 5, 2026* Bought this to replace the broken stock fan in my UGREEN NAS DXP2800 and it ended up being a perfect drop‑in upgrade. Noise level: At typical NAS fan curves it’s basically whisper quiet, even sitting on a desk a few feet away. Cooling: Despite the low noise, it moves enough air that my drive and system temps stayed the same or slightly improved compared to the original fan. Cable length: The included cable is long enough to route cleanly inside the NAS without needing an extension or weird bends. Mountability: Standard 92mm mounting holes lined right up; swap took a few minutes with just a screwdriver and no mods needed. Speed and airflow: PWM control works as expected, ramps smoothly under load, and at higher RPMs you get noticeably stronger airflow without a huge jump in noise. Overall, if you’re looking for a reliable, quiet replacement fan for a small NAS or SFF build, this one is worth paying a bit extra for. ### ⭐⭐⭐⭐⭐ Best 92mm fan on the market *by G***H on January 22, 2026* The Noctua NF-A9 PWM (92mm, 4-pin) is one of those components that quietly justifies its premium price — literally and figuratively.I've used several Noctua fans over the years, and this 92mm PWM model continues the brand's reputation for exceptional build quality and acoustic performance. At max 2000 RPM it pushes a solid amount of air (around 78.9 m³/h), yet the noise tops out at just 22.8 dB(A) — in practice, it's barely audible even in a near-silent room unless you put your ear right next to the case. With the included Low-Noise Adaptor plugged in, it becomes whisper-quiet while still providing perfectly adequate cooling for most 92mm applications.What stands out:The PWM control is smooth and responsive; the fan ramps up/down almost imperceptibly as temps change. Flow Acceleration Channels and the AAO (Advanced Acoustic Optimisation) frame genuinely reduce turbulence noise compared to generic fans. Comes with a generous accessory kit: anti-vibration mounts (the classic brown grommets), extension cable, Y-splitter for daisy-chaining two fans on one header, screws, and the LNA adaptor. Build feels rock-solid — fibre-glass reinforced PBT blades, SSO2 bearing, and Noctua's legendary >150,000-hour MTTF rating give real confidence it'll outlast most other PC parts. ### ⭐⭐⭐⭐⭐ Very good fan *by S***Y on January 9, 2026* This thing is amazing, and it comes with different connectors: Y-connector, an extension, and a quiet connector. This fan is quiet, doesn't rattle on the case due to its rubber padded corners, and it performs well. Very good quality fan. ## Frequently Bought Together - Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown) - Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown) - Noctua NF-A12x25 PWM, Premium Quiet Fan, 4-Pin (120mm, Brown) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/23490436-noctua-nf-a9-pwm-premium-quiet-fan-4-pin-92mm](https://www.desertcart.us/products/23490436-noctua-nf-a9-pwm-premium-quiet-fan-4-pin-92mm) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-06-24*