ARCTIC S4028-6K 40mm Server Fan 5-Pack - 250-6000 RPM PWM - ACFAN00273A
ARCTIC S4028-6K 40mm server fans, 5-pack with screws. 12V, 4-pin PWM, 250-6000 RPM, 12.06 m³/h airflow, 4.2 mmH2O pressure. Dual ball bearing for durability in 1U servers, NAS, routers. Black.
Available in 2–5 business days : 57 τεμάχιο
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The ARCTIC S4028-6K is a high-performance 40mm server fan available in a convenient 5-pack with mounting screws. Designed for continuous operation in demanding environments, these fans feature dual high-quality Japanese ball bearings in a sturdy brass housing for enhanced stability and resistance to heat and dust.
With PWM control via 4-pin connector, speeds range from 250 to 6000 RPM, delivering 12.06 m³/h airflow and 4.2 mmH2O static pressure—ideal for 1U server cases, radiators, routers, NAS, switches, DVRs, Mini PCs, and 3D printers. The 40cm cable offers flexible positioning, and voltage regulation (starting at 4.5V) ensures compatibility.
- Dimensions per fan: 40 x 40 x 28 mm
- Weight per fan: ~42 g
- Packaged: 90 x 86 x 55 mm, 230 g
- Quiet at low speeds, powerful at max for balanced cooling
- Black color, industrial-grade durability
| Suitable location | Computer case |
| Type | Fan |
| Fan diameter | 4 cm |
| Rotational speed (min) | 250 RPM |
| Rotational speed (max) | 6000 RPM |
| Maximum airflow | 12.06 m³/h / 7.1 CFM |
| Maximum air pressure | 4.2 mmH2O |
| Bearing type | Dual Ball Bearing |
| Fan bearing technology | Dual Ball Bearing |
| Quantity per pack | 5 pc(s) |
| Product colour | Black |
| Fan connector | 4-pin PWM |
| Voltage | 12 V |
| Starting voltage | 4.5 V |
| Rated current | 0.1 A |
| Width | 40 mm |
| Depth | 40 mm |
| Height | 28 mm |
| Weight | 42 g (per fan) |
| Cable length | 0.4 m |
| Package width | 90 mm |
| Package depth | 86 mm |
| Package height | 55 mm |
| Package weight | 230 g |
| Number of screws | 20 |
| Operating temperature | 0 - 40 °C |