--- product_id: 348991265 title: "Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler" brand: "noctua" price: "2029642₫" currency: VND in_stock: false reviews_count: 13 category: "Noctua" url: https://www.desertcart.vn/products/348991265-noctua-nf-a4x20-40x40x20mm-flx-3-pin-5000rpm-case-fan store_origin: VN region: Vietnam --- # 5000 RPM high-speed cooling Ultra-quiet 14.9 dB noise level 3-pin flexible connector + 50cm cable Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler **Brand:** noctua **Price:** 2029642₫ **Availability:** ❌ Out of Stock ## Summary > ❄️ Cool your tech, not your vibe — stay chill with Noctua NF-A4x20! ## Quick Answers - **What is this?** Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler by noctua - **How much does it cost?** 2029642₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/348991265-noctua-nf-a4x20-40x40x20mm-flx-3-pin-5000rpm-case-fan) ## 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 - • **Built to Last:** Industry-leading 6-year warranty ensures long-term reliability - • **Plug & Play Flexibility:** 3-pin connector with extended 50cm cable for versatile setups - • **Whisper-Quiet Operation:** Near-silent 14.9 dB noise level for distraction-free focus - • **Turbocharged Cooling Power:** Blazing 5000 RPM keeps your rig frostily efficient - • **Advanced Acoustic Optimization:** AAO frame and Flow Acceleration Channels for peak airflow with minimal noise ## Overview The Noctua NF-A4x20 is a compact 40x40x20mm case fan engineered for high-performance cooling with a rapid 5000 RPM speed and ultra-quiet 14.9 dB operation. Featuring advanced acoustic optimization and a flexible 3-pin connector with extended cabling, it delivers efficient airflow while maintaining whisper-quiet noise levels. Backed by a 6-year warranty, this fan is a durable, premium choice for professionals seeking reliable, silent cooling solutions. ## Description Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler : desertcart.in: Computers & Accessories Review: Silent and durable cooling fan - One if not the best engineered cooling fan one can buy today. Bought this to augment the stock NOCTUA heatsink installed in my computer. Works silently and I see a reduction of almost 2 degrees cpu temperature. Highly recommended. Review: Amazing Fans!!! - Installed two of these on my graphics card. It astonishingly reduced temps of my PC by atleast 20-30 degrees. Huge improvement. Well worth the cost. Thinking of changing all the fans to Noctua!! ## Features - Connector & pin- configuration : 3-pin I Rotational speed : 5000 RPM - Cable length : 20cm + 30cm NA-EC1 extension cable I Low-Noise Adaptor (L.N.A.) - Frame technology : AAO (Advanced Acoustic Optimisation) I Blade geometry : A-Series with Flow Acceleration Channels - Max. input power : 0,6 W I Operating voltage : 12 V - 6 Year Warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071J8CZP9 | | Are Batteries Included | No | | Best Sellers Rank | #26,841 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #106 in Case Fans | | Brand | Noctua | | Compatible Devices | Desktop, Laptop | | Cooling Method | Fan | | Country of Origin | USA | | Customer Reviews | 4.8 4.8 out of 5 stars (28,843) | | Date First Available | 3 June 2017 | | Generic Name | Case Fan | | Global Trade Identification Number | 09010018100112 | | Importer | Acro Engineering Company, Z-41, Sanjay Colony II, Pocket Y, Sanjay Colony, Okhla Phase II, Okhla Industrial Estate, New Delhi, Delhi 110020 | | Included Components | Case Fan | | Item Dimensions LxWxH | 40 x 40 x 20 Millimeters | | Item Height | 20 Millimeters | | Item Weight | 1 g | | Item Width | 40 Millimeters | | Item model number | NF-A4x20 FLX | | Manufacturer | Noctua | | Maximum Rotational Speed | 5000 RPM | | Net Quantity | 1 Count | | Noise Level | 14.9 Decibels | | Number of Items | 1 | | Packer | Rascom Computerdistribution Ges.m.b.H. Huttengasse 71-75 A-1160 Wien Austria | | Power Connector Type | 3-Pin | | Product Dimensions | 4 x 4 x 2 cm; 1 g | | Voltage | 12 Volts | ## Product Details - **Brand:** Noctua - **Compatible Devices:** Desktop, Laptop - **Cooling Method:** Fan - **Power Connector Type:** 3-Pin - **Voltage:** 12 Volts ## Images ![Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler - Image 1](https://m.media-amazon.com/images/I/71lyRpVR4OL.jpg) ![Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler - Image 2](https://m.media-amazon.com/images/I/81abh0+LmWL.jpg) ![Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler - Image 3](https://m.media-amazon.com/images/I/71NYZ3JQcOL.jpg) ![Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler - Image 4](https://m.media-amazon.com/images/I/71Ywc8LceeL.jpg) ![Noctua NF-A4x20 40x40x20mm FLX 3 pin 5000rpm Case Fan/Case Cooler - Image 5](https://m.media-amazon.com/images/I/61xqdXxj1uL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Silent and durable cooling fan *by P***N on 22 April 2025* One if not the best engineered cooling fan one can buy today. Bought this to augment the stock NOCTUA heatsink installed in my computer. Works silently and I see a reduction of almost 2 degrees cpu temperature. Highly recommended. ### ⭐⭐⭐⭐⭐ Amazing Fans!!! *by P***R on 25 August 2024* Installed two of these on my graphics card. It astonishingly reduced temps of my PC by atleast 20-30 degrees. Huge improvement. Well worth the cost. Thinking of changing all the fans to Noctua!! ### ⭐⭐⭐⭐⭐ Silent, good performance *by C***X on 16 September 2023* no noise problem at higher rpms, overall great performance, 2-3 degree cooler temps when used on heat sinks. ## Frequently Bought Together - Noctua NF-A4x20 FLX, Premium Quiet Fan, 3-Pin (40x20mm, Brown) - Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, 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.vn/products/348991265-noctua-nf-a4x20-40x40x20mm-flx-3-pin-5000rpm-case-fan](https://www.desertcart.vn/products/348991265-noctua-nf-a4x20-40x40x20mm-flx-3-pin-5000rpm-case-fan) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-21*