{"product_id":"arctic-120x38mm-high-static-pressure-server-radiator-fan","title":"ARCTIC 120x38mm High-Static-Pressure Server\/Radiator Fan","description":"\u003cp\u003e\u003cstrong\u003eThe ARCTIC S12038-8K is a high-static-pressure 120x38 mm cooling fan built for servers, radiators and tight enclosures, delivering up to 370 m³\/h airflow with durable brass-housed ball bearings.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for demanding cooling tasks where space, pressure and reliability matter, the S12038-8K balances powerful airflow with a long service life. Its robust bearing assembly, flexible control options and built-in electrical protections make it suitable as a replacement or upgrade in 4U racks, CPU heatsinks, radiators and system ventilation setups.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the S12038-8K stay reliable under continuous use?\u003c\/h3\u003e\n\u003cp\u003eLongevity is a core design focus: the impeller runs on two ball bearings enclosed in a brass housing, which reduces wear from heat, dust and vibration. The fan also includes overvoltage, reverse polarity and overcurrent protection to prevent damage from electrical faults.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass-housed double ball bearings for improved durability.\u003c\/li\u003e\n  \u003cli\u003eElectrical protections guard against common power issues.\u003c\/li\u003e\n  \u003cli\u003eRobust construction resists environmental contaminants in server environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat cooling performance can I expect in cramped or radiator setups?\u003c\/h3\u003e\n\u003cp\u003eThe S12038-8K produces a high static pressure of 37 mmH2O alongside a maximum airflow of 370 m³\/h, making it effective at forcing air through dense fins and tight chassis gaps. This combination helps maintain lower temperatures on heatsinks and radiators where resistance to flow is high.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e37 mmH2O static pressure for pushing air through dense fins.\u003c\/li\u003e\n  \u003cli\u003eUp to 370 m³\/h airflow for strong bulk ventilation.\u003c\/li\u003e\n  \u003cli\u003e120 x 38 mm form factor fits many 4U and rack applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I control speed and connect the fan to different systems?\u003c\/h3\u003e\n\u003cp\u003eThe fan offers a wide, controllable speed range and supports PWM for precision regulation, but it can also operate via 2-pin or 3-pin headers when necessary. A standard 4-pin connector is provided, and the 30 cm cable gives flexibility when routing inside cases or racks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4-pin PWM connector for precise speed control.\u003c\/li\u003e\n  \u003cli\u003eBackward-compatible with 3-pin and 2-pin headers for broad compatibility.\u003c\/li\u003e\n  \u003cli\u003e30 cm cable length eases placement in tight enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the S12038-8K fit my server or PC chassis and what roles does it serve?\u003c\/h3\u003e\n\u003cp\u003eThe 120 x 38 mm size is specifically suitable for 4U server housings and works well as a radiator fan, CPU cooler upgrade or general system ventilation. Its thicker 38 mm profile increases airflow capacity and static pressure compared with slim 25 mm fans.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eForm factor compatible with many 4U and rack-mounted systems.\u003c\/li\u003e\n  \u003cli\u003eSuitable as radiator fan, CPU fan replacement or rack ventilation.\u003c\/li\u003e\n  \u003cli\u003eThicker profile for improved cooling performance in constrained spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The ARCTIC S12038-8K is aimed at system builders, IT administrators and PC enthusiasts who need reliable, high-pressure cooling in compact or dense environments. Choose it if you require a fan that combines strong static pressure, high airflow and extended durability for servers, radiators or 4U chassis upgrades.\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 S12038-8K be controlled by PWM and older fan headers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It uses a 4-pin PWM connector but is compatible with 3-pin and 2-pin headers, offering flexible speed control.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the S12038-8K suitable for use on radiators and in servers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Its 37 mmH2O static pressure and 370 m³\/h airflow make it ideal for radiators and 4U server ventilation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARCTIC","offers":[{"title":"Default Title","offer_id":48449235583133,"sku":"B09VGS3LND","price":23.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/arctic-s12038-8k-front-view_ae6de84d-4be8-4b6a-8e74-6135767698b6.jpg?v=1781629851","url":"https:\/\/nexoltic.com\/products\/arctic-120x38mm-high-static-pressure-server-radiator-fan","provider":"Nexoltic","version":"1.0","type":"link"}