{"product_id":"noctua-nf-a4x20-5v-premium-40x20mm-cooling-fan-quiet-5v-edition-new","title":"Noctua NF-A4x20 5V Premium 40x20mm Cooling Fan - Quiet 5V Edition (New)","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eNoctua NF-A4x20 5V\u003c\/strong\u003e is a dedicated 5V premium 40x20mm cooling fan designed for quiet, high-efficiency performance in compact devices. It features Flow Acceleration Channels and Noctua's Advanced Acoustic Optimisation (AAO) frame for aerodynamic efficiency, SSO2 (Self-Stabilising Oil-pressure) second-generation bearing for long-term stability and wear resistance, and integrated anti-vibration pads with NA-AV3 silicone mounts to minimize vibration transfer. The OmniJoin™ adaptor set allows direct splicing into proprietary fan headers for easy installation in 3D printers, routers, network switches, and custom storage builds. Rated at 5000 RPM and just 14.9 dB(A). Backed by Noctua's 6-year manufacturer warranty. Designed in Austria, made in China. New in original retail box. If you're building out a custom rig or upgrading compact electronics, you'll find more tech components in my \u003ca href=\"\/collections\/electronics-gadgets\"\u003eElectronics \u0026amp; Gadgets\u003c\/a\u003e and \u003ca href=\"\/collections\/smart-home-automation-connected-devices-smart-tech\"\u003eSmart Home \u0026amp; Tech\u003c\/a\u003e collections — and browse \u003ca href=\"\/collections\/rare-finds-collectibles\"\u003eRare Finds \u0026amp; Collectibles\u003c\/a\u003e for more enthusiast-grade liquidation picks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e⚠️ Important:\u003c\/strong\u003e This is a 5V fan. Do not run at 12V — it will be damaged if connected to standard 12V PC motherboard fan headers.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Noctua (Designed in Austria)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e NF-A4x20 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 40 x 40 x 20 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V DC (do not use with 12V headers)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Input Power:\u003c\/strong\u003e 0.5W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotational Speed:\u003c\/strong\u003e 5000 RPM (±10%)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcoustical Noise:\u003c\/strong\u003e 14.9 dB(A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing:\u003c\/strong\u003e SSO2 (Self-Stabilising Oil-pressure, 2nd generation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e 3-pin (with 3:2 pin adaptor included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e AAO (Advanced Acoustic Optimisation) with Flow Acceleration Channels and Stepped Inlet Design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Dampening:\u003c\/strong\u003e Integrated anti-vibration pads + NA-AV3 silicone mounts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMTTF:\u003c\/strong\u003e \u0026gt;150,000 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 6 years manufacturer warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, RoHS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China (Designed in Austria)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New in original retail box\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 Noctua NF-A4x20 5V fan\u003c\/li\u003e\n\u003cli\u003eOmniJoin™ adaptor set\u003c\/li\u003e\n\u003cli\u003e3:2 pin adaptor\u003c\/li\u003e\n\u003cli\u003eExtension cable\u003c\/li\u003e\n\u003cli\u003eNA-AV3 anti-vibration mounts\u003c\/li\u003e\n\u003cli\u003eFan screws\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eLimited Liquidation Release\u003c\/h2\u003e\u003cp\u003eThis is a 100% brand-new, verified liquidation clearance find. My sourcing allows deep outlet pricing, but quantities are strictly limited — once it's gone, it's gone for good. Some units may arrive without a retail box due to the nature of liquidation sourcing, but no items are ever sold past their Best By or expiration date.\u003c\/p\u003e\u003ch2\u003eMore4less Outlet Promise\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal Product Photos:\u003c\/strong\u003e Every listing includes at least one actual photo taken by me (Chad) of the exact unit in my Burlington, KY facility. Additional lifestyle imagery is AI-generated for visual context only — the real product photo(s) always show the exact item headed to your door.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand New Condition:\u003c\/strong\u003e Every unit personally verified before shipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Shipping\u003c\/strong\u003e via USPS Ground Advantage with tracking.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFirst Sale Doctrine \u0026amp; Non-Affiliation\u003c\/h2\u003e\u003cp\u003eThis product is resold under the First Sale Doctrine (17 U.S.C. § 109(a)). More4less Outlet is not affiliated with, sponsored by, or endorsed by Noctua or Rascom Computerdistribution Ges.m.b.H. All trademarks remain the property of their respective owners.\u003c\/p\u003e","brand":"Noctua","offers":[{"title":"Default Title","offer_id":53258568171820,"sku":"M4L-Noctua-NFA4x20-5V","price":15.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0964\/1516\/files\/image_ca71d107-d911-4b4b-ba21-cd1f0340db84.png?v=1780366262","url":"https:\/\/more4lessoutlet.com\/products\/noctua-nf-a4x20-5v-premium-40x20mm-cooling-fan-quiet-5v-edition-new","provider":"More4less Outlet","version":"1.0","type":"link"}