ARCTIC S4028-15K (5 Pack) - 40x40x28 mm Fan, 1400-15000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black

SpecPicks Verdict

SpecPicks scored ARCTIC S4028-15K using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. ARCTIC's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

• TheS4028-15K's impeller is held in place by two ball bearings, making it both particularly durable and less sensitive to external influences like heat and dust
• The S4028-15K has a particularly wide speed range that can be regulated via PWM and voltage. With its 15000 max RPM it is one of the strongest 12 V fans with a 40 mm diameter
• With a static pressure of 26.5 mm/H2O and a maximum airflow of 32.67 m³/h, the S4028-15K is a true all-rounder and is suitable as both a radiator and case fan
• The S4028-15K fits in 1U server cases, as a replacement fan for routers, switches and NAS. It can also be used for other products such as DVRs, Mini PCs, HTPCs, hard disk enclosures and 3D printers
• The fan has a standard 4-pin fan connector and can also be connected and controlled on 2-pin or 3-pin headers, while the 40 cm cable allows enough flexibility in positioning

Full Specifications

Ready to buy?

ARCTIC S4028-15K (5 Pack) - 40x40x28 mm Fan, 1400-15000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $29.49

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

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