Is this unit ul tested, if yes, to what standard. if not, what standards has it been tested?

UL 507 is the relevant standard for electric fans, however this fan was not tested by UL. Also important to note that UL Listed products are tested while UL Recognized products are not tested. Both levels require a direct marking on the part which means this fan has neither level. To be honest most fans at this price level are not going to be agency tested just because the target market is PC case fans, and the things UL tests for are not relevant to PC builders. The fan has CE certification which is just saying it won't burn your house down. CE doesn't check fans for performance; you're better off reading reviews than looking for agency approvals if this is a PC fan.

will this fan work with just pos & neg hooked up? do I need all for wires hooked up to work ? thanks

Will work with just pos and neg.

If I plan to use more than 50% capacity of the 5300rpm model, would I need to connect it to a controller/hub rated for more than 1amp per lane?

I would make sure that which ever Fan Port you connect this High Airflow Fan that it will support the amperage stated in the specs of the fan.

Any water or dust resistance rating? ip52, ip67?

I do not see any water/dust proof rating printed, however, I use this fan as a range-top exhaust fan in suction mode, so all cooking steam & grease-laden fumes are drawn across/through the fan... daily. Thus far, it has performed flawlessly, despite the harsh environment. I recommend this fan.

Wathai 12038 120mm x 38mm 5300rpm High Airflow 12V 4pin FG PWM DC Brushless Cooling Fan

Wathai 12038 120mm x 38mm 5300rpm High Airflow 12V 4pin FG PWM DC Brushless Cooling Fan

Product ID: 419918944

Details

Brand
Wathai
Power Connector Type
4-Pin
Product Dimensions
38L x 120W x
Voltage
12 Volts (DC)
Wattage
22.8 Watts

⏳67,000 hrs dual-ball bearing life

💨230 CFM airflow

⚙️5300 RPM high speed

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R1437

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Stay cool, stay ahead — power your performance with Wathai’s high-speed airflow!

BUILT TO LAST - Dual-ball bearings ensure a marathon 67,000-hour lifespan, built for relentless performance.
VERSATILE MOUNTING - Generous 38mm thickness and flat or upright placement options fit any high-demand setup.
PRECISION SPEED CONTROL - 4-pin PWM support lets you fine-tune fan speed for silent efficiency or max cooling.
UNMATCHED COOLING POWER - Delivers a powerful 230 CFM airflow to keep your rig ice-cold under pressure.
PLUG PLAY COMPATIBILITY - Seamlessly integrates with gaming PCs, mining rigs, and server chassis for instant upgrade.

The Wathai 12038 is a robust 120mm x 38mm brushless cooling fan operating at 5300 RPM, delivering an impressive 230 CFM airflow with a noise level capped at 60 dBA. Featuring dual-ball bearings rated for 67,000 hours, it supports 4-pin PWM for intelligent speed regulation, making it ideal for gaming PCs, mining rigs, and server cooling solutions. Included mounting hardware and fan grill ensure easy installation and reliable operation.

Specifications

ASIN	B07SGWNV5J
Air Flow Capacity	213 Cubic Feet Per Minute
Best Sellers Rank	#217,348 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #1,153 in Case Fans
Brand	Wathai
Brand Name	Wathai
Compatible Devices	Desktop, Gaming Console, Inverter, Server, computer case
Cooling Method	Air
Country of Origin	USA
Customer Reviews	4.5 out of 5 stars 438 Reviews
Item Dimensions L x W x H	38L x 120W x 120H Millimeters
Manufacturer	Wathai
Material Type	Lead
Max Rotational Speed	5300 RPM
Noise Level	58 Decibels
Power Connector Type	4-Pin
Product Dimensions	38L x 120W x 120H Millimeters
UPC	702334356784
Unit Count	1.0 Count
Voltage	12 Volts (DC)
Wattage	22.8 Watts

Reviews

J**G

Puissance d’extraction

Extrêmement puissant et donc bruyant à vitesse élevée. Très efficace

16.03.2026

A**Y

Extremely powerful, but unreliable, failed capacitor jams rotor on 3 of them in updraft installation

1.12.2025

A**N

Superb airflow if you can tolerate the noise level

1.10.2025

K**N

Wrong dimensions

16.08.2025

R**S

Like a nice power tool, unapologetically loud but worth it if you need the power!

31.05.2022

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