NMB 2806KL-04W-B89 70x70x15mm DC 12V Server Cooling Fan - Reliable

In this review of the NMB 2806KL-04W-B89 server cooling fan, the bottom line is simple: this compact axial fan is for technicians and system builders who need dependable, OEM-grade airflow in tight server or electronics enclosures. The reviewer found the fan to be 100% new, built to CE standard, and fitted with a durable double ball bearing that delivers steady performance under continuous operation. If your priority is a genuine, replacement-grade 70x70x15mm fan that runs on DC 12V and draws 0.65A, this model is a practical choice.

Key Features

• Compact size: The 70x70x15mm footprint makes it easy to install in constrained server racks or small chassis without major layout changes.
• Standard voltage: Running at DC 12V with 50/60Hz compatibility, it fits common server power supplies and control circuits for straightforward integration.
• Durable bearing: The double ball bearing offers longer life and better resistance to heat and continuous duty than simple sleeve bearings.
• Reliable current draw: At 0.65A the fan provides a consistent performance envelope that system builders can budget for when designing cooling and power profiles.
• OEM quality assurance: Supplied as new and genuine NMB-MAT model 2806KL-04W-B89, it reduces uncertainty when replacing critical cooling components.

Who It's For

This fan is aimed at IT professionals, server maintenance technicians, and hobbyists who work with small form factor servers, storage arrays, or custom electronics that require a standard 70mm cooling fan. It is best when a reliable, drop-in replacement is required and when continuous operation and longevity matter.

It is less suitable for users seeking ultra-quiet home PC fans optimized for noise over longevity, or for applications that need PWM speed control or very low power consumption below the stated 0.65A draw. For those needs, consider fans explicitly marketed for silent desktop use or advanced controllable cooling solutions.

Pros & Cons

Pros

• New, genuine unit that matches OEM parameters for straightforward replacements.
• Double ball bearing construction enhances durability under continuous server loads.
• Compact 70x70x15mm size fits many server and electronics mounting patterns.
• CE standard compliance provides basic regulatory assurance for many installations.

Cons

• At 0.65A it is not the lowest power option, so power budgets must account for its draw.
• It is a 3-wire axial fan without advanced integrated speed control features described, so additional control hardware may be required for precise RPM management.

Specifications

Model	2806KL-04W-B89
Brand	NMB-MAT
Size	70 x 70 x 15mm
Nominal voltage	DC 12V
Current	0.65A
Bearing	Double ball
Approval / standard	CE

Our Verdict

The NMB 2806KL-04W-B89 is a practical, value-minded choice for anyone replacing or upgrading server cooling where space is limited and continuous operation is expected. Its genuine OEM build and double ball bearings justify choosing it for reliability, though those needing advanced noise control or lower current draw should consider alternatives. Overall it offers dependable performance for professional use.

Frequently Asked Questions

Is this fan a direct replacement for common 70mm server fans?
Yes; the 70x70x15mm dimensions and standard DC 12V rating make it suitable as a drop-in replacement for many 70mm mounts.

Does the fan include speed control or PWM support?
The product is described as a 3-wire axial fan; it does not specify built-in PWM control, so external speed control may be required for precise RPM adjustment.

How long can the fan run continuously?
With a double ball bearing design and new OEM construction, it is intended for continuous operation typical in server environments, offering better longevity than sleeve-bearing fans.