{"product_id":"arctic-s12038-4k-120-x-38mm-high-static-pressure-fan","title":"ARCTIC S12038-4K 120 x 38mm High Static Pressure Fan","description":"\u003cp\u003e\u003cstrong\u003eARCTIC S12038-4K is a compact, high-static-pressure 120 x 38 mm cooling fan built for rack, radiator, and heatsink use, featuring robust ball-bearing support and multi-mode control.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe S12038-4K from ARCTIC is designed to deliver steady airflow and reliable performance in confined or demanding installations. Sized to fit 4U server bays while providing elevated static pressure and broad control options, it serves as either an upgrade for legacy system fans or a replacement for radiator and chassis cooling. Protective electronics and a long cable make it straightforward to integrate into workstations, servers, and custom enclosures.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the S12038-4K perform in tight or restrictive setups?\u003c\/h3\u003e\n\u003cp\u003eThis fan specializes in environments where airflow must be pushed through dense radiators, heatsinks, or rack-mounted equipment. Its higher static pressure helps maintain airflow even against resistance, so temperatures remain better controlled under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStatic pressure rated at 11.45 mmH2O to push air through dense fins and filters\u003c\/li\u003e\n  \u003cli\u003eMaximum airflow up to 180 m³\/h for sustained ventilation\u003c\/li\u003e\n  \u003cli\u003eThicker 38 mm profile gives stronger pressure than typical 25 mm fans\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat control and compatibility options are available?\u003c\/h3\u003e\n\u003cp\u003eThe S12038-4K supports modern motherboard fan headers and legacy connections alike, with PWM control for fine speed adjustments and voltage control when needed. Its 4-pin connector is standard, but the wiring also allows use on 3-pin or 2-pin headers for flexible setups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePWM and voltage regulation lets you balance performance and noise\u003c\/li\u003e\n  \u003cli\u003eWorks on 4-pin, 3-pin, and 2-pin headers for broad compatibility\u003c\/li\u003e\n  \u003cli\u003e30 cm cable length gives freedom in mounting positions inside racks or cases\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and reliable is the fan for continuous operation?\u003c\/h3\u003e\n\u003cp\u003eARCTIC built the S12038-4K with longevity in mind: the impeller sits in a brass housing and runs on dual ball bearings, which resist heat and particulate wear better than many sleeve-bearing designs. The fan also includes several electrical protections to prevent damage under abnormal conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass housing and dual ball bearings improve lifespan under heat and dust exposure\u003c\/li\u003e\n  \u003cli\u003eOvervoltage, reverse polarity, and overcurrent safeguards enhance reliability\u003c\/li\u003e\n  \u003cli\u003eDesign suited for continuous server or workstation use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhere does the S12038-4K fit in system builds or upgrades?\u003c\/h3\u003e\n\u003cp\u003eThis model is a versatile choice for anyone upgrading airflow in servers, 4U racks, or systems that require stronger pressure than standard case fans. It can replace noisy, failing stock fans or be used to improve cooling on aftermarket radiators and heatsinks without changing chassis layout.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eForm factor fits 4U server housings and common radiator mounts\u003c\/li\u003e\n  \u003cli\u003eSuited as replacement for CPU, chassis, or rack fans needing higher pressure\u003c\/li\u003e\n  \u003cli\u003eCompact footprint with a thicker profile for enhanced performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ARCTIC S12038-4K is aimed at system builders, IT professionals, and PC enthusiasts who need a dependable, higher-pressure fan for servers, racks, or dense radiators. Choose this fan if you require durable bearings, flexible control options, protective electronics, and a form factor compatible with 4U enclosures or tighter cooling installations.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the S12038-4K work on a 3-pin header?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It uses a 4-pin connector but can be connected to 3-pin or 2-pin headers; PWM control requires a 4-pin header.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this fan suitable for continuous server operation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Dual ball bearings, brass housing, and protective electronics make it appropriate for long-term use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARCTIC","offers":[{"title":"Default Title","offer_id":48449222312093,"sku":"B0D5B3G7VK","price":22.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/arctic-s12038-4k-front-view.jpg?v=1781629522","url":"https:\/\/nexoltic.com\/products\/arctic-s12038-4k-120-x-38mm-high-static-pressure-fan","provider":"Nexoltic","version":"1.0","type":"link"}