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Noctua NV-FH2, 8 Channel Fan Hub for 5V, 12V, and 24V fans, up to 60W Total with Optional 5.5mm Barrel Connector Power Supply (Black)
- Highly flexible premium grade 8-way PWM fan hub for 5V, 12V, and 24V based 3-pin and 4-pin fans (PWM control on 4-pin only), advanced protection against inrush currents, transients and overcurrent
- 4-pin input for power, PWM control (e.g. via optional NA-FC1 fan controller or PC motherboards) and RPM monitoring, 5.5/2.1mm (OD/ID) barrel input for power (e.g. via optional NV-PS1 115/230V PSU)
- Up to 60W total when powered via the 5.5mm barrel connector using optional power supplies (up to 24W using the Noctua NV-PS1), up to 22W when powered via the 4-pin input
- Easy installation with magnetic fixture and screw-holes (4.1mm diameter), removable clip-on cover for applications where status LEDs should not be shown or extra protection against dust is required
- Full compliance with all applicable safety standards (EN 62368-1, EN 55035, EN 55032, UL-62368), CE, UKCA and UL certification, renowned Noctua quality backed up by a 6 year manufacturers warranty
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Overview
Specs
Reviews
The NV-FH2 is a flexible, premium-quality 8 channel PWM fan hub that is ideal for powering up to eight fans in home, office or multi-purpose ventilation applications using an external power supply with 5.5 mm barrel connector such as Noctuas optional NV-PS1. Its compatible with 5, 12, and 24V fans with 4-pin PWM and 3-pin connectors and supports up to 60W total power draw. While 3-pin fans can be speed-controlled by voltage adjustment, 5 and 12V PWM fans can be controlled by connecting the optional NA-FC1 controller to the NV-FH2s 4-pin PWM input.
Alternatively, the NV-FH2 can also be powered via this input (up to 22W total power draw), e. g. in PC environments where it can be run off motherboard fan headers with PWM control and RPM monitoring, or when used with Noctua 5V PWM fan models that include USB power adaptor cables that make it possible to run the NV-FH2 off power banks or standard USB power supplies. Thanks to its advanced protection and signal filtering features, the NV-FH2 not only runs safely with fans that produce high starting currents or transients, but also supports cascading multiple units for controlling up to 71 fans simultaneously.
Fixing the NV-FH2 is a breeze thanks to the integrated magnets that enable snap-on placement on steel surfaces, as well as the mounting tabs with screw holes that make it possible to fix it using screws or cable ties. The hub can either be run without the included clip-on cover for easy status monitoring via its white status LEDs or with the cover on for extra protection from dust, contact or mechanical impact. Topped off with CE, UKCA and UL certifications, full compliance with all applicable safety standards as well as Noctuas 6-year manufacturers warranty, the NV-FH2 represents the gold standard in highly robust multi-purpose splitter boards that work just as nicely inside a PC as in other ventilation applications.
Alternatively, the NV-FH2 can also be powered via this input (up to 22W total power draw), e. g. in PC environments where it can be run off motherboard fan headers with PWM control and RPM monitoring, or when used with Noctua 5V PWM fan models that include USB power adaptor cables that make it possible to run the NV-FH2 off power banks or standard USB power supplies. Thanks to its advanced protection and signal filtering features, the NV-FH2 not only runs safely with fans that produce high starting currents or transients, but also supports cascading multiple units for controlling up to 71 fans simultaneously.
Fixing the NV-FH2 is a breeze thanks to the integrated magnets that enable snap-on placement on steel surfaces, as well as the mounting tabs with screw holes that make it possible to fix it using screws or cable ties. The hub can either be run without the included clip-on cover for easy status monitoring via its white status LEDs or with the cover on for extra protection from dust, contact or mechanical impact. Topped off with CE, UKCA and UL certifications, full compliance with all applicable safety standards as well as Noctuas 6-year manufacturers warranty, the NV-FH2 represents the gold standard in highly robust multi-purpose splitter boards that work just as nicely inside a PC as in other ventilation applications.
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by Noctua Cooling Solutions Return Policy
- *Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
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The Noctua NV-FH2 is an 8-channel fan hub for builders who need to connect multiple 5V, 12V, or 24V 3-pin and 4-pin fans; 4-pin fans support PWM control. It supports up to 60W total with a compatible optional barrel power supply.
Recommended For
- Users cooling an external radiator or other off-case setup with several fans who want one hub that can take separate barrel-connector power while receiving PWM control from a motherboard or fan controller.
- People building home, office, or equipment-cooling ventilation setups who need to run several fans from one supply, including compatible 5V or 24V fans rather than only standard 12V PC fans.
- PC builders with many case fans who need more fan connections or want to keep fan power separate from motherboard control; motherboard-header power is also an option when the combined load stays within the header’s limit.
- 3D-printer or other 24V-system users who need to connect multiple compatible fans to one hub and control them together.
Real-World Use Scenarios
- In a desktop PC with several case fans, connect the hub to a motherboard fan header to power and PWM-control a group of fans together; the motherboard receives RPM feedback from the fan on output 1. Check the header’s current limit and the hub’s 22 W limit when using the 4-pin input.
- For home or office ventilation using multiple fans, power the hub from a compatible external supply and use an optional fan controller to adjust connected PWM fans together. This provides one place to connect and control the fan group without relying on a PC motherboard.
- For a 24 V 3D-printer cooling setup, use the hub to connect several compatible fans to one power source; with 4-pin PWM fans and a suitable controller, their speed can be adjusted together. Confirm the fans’ power needs and use a compatible supply.
- For a 5 V ventilation setup powered by a USB supply or power bank, connect compatible 5 V PWM fans through the hub’s 4-pin input. This can centralize several fans in a small setup, within the input’s 22 W limit.
- When reusing several 3-pin fans in a ventilation or cooling project, connect them to the hub and adjust their speeds together by changing the input voltage. The fans can share a power source, but they do not gain PWM speed control.