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.

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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

72387CFA

Duties & taxes included

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💨 Cool your tech, rule your game — airflow that means business.

PLUG PLAY POWER - Standard 12V 4-pin connector ensures hassle-free installation and compatibility with most high-performance systems.
VERSATILE MOUNTING - Flat or upright, this fan adapts seamlessly to any setup—perfect for gaming PCs, mining rigs, or servers.
ENDURANCE ENGINEERED - Dual-ball bearings deliver an epic 67,000-hour lifespan, built to outlast your longest gaming marathons.
TURBOCHARGED AIRFLOW - Unleash 230 CFM of pure cooling power to keep your rig ice-cold under pressure.
PRECISION PWM CONTROL - Smart 4-pin PWM lets you dial fan speed to your system’s exact thermal needs—silence or storm on demand.

The Wathai 12038 is a high-performance 120mm brushless cooling fan delivering 230 CFM airflow at 5300 RPM with a durable dual-ball bearing design rated for 67,000 hours. Featuring a 4-pin PWM connector for intelligent speed control, it’s engineered for gaming PCs, mining rigs, and servers requiring powerful, reliable cooling with flexible mounting options.

Specifications

ASIN	B07SGWNV5J
Air Flow Capacity	213 Cubic Feet Per Minute
Best Sellers Rank	#144,575 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #822 in Case Fans
Brand Name	Wathai
Compatible Devices	Desktop, Gaming Console, Inverter, Server, computer case
Cooling Method	Air
Customer Reviews	4.5 4.5 out of 5 stars (444)
Item Dimensions L x W x H	38L x 120W x 120H Millimeters
Manufacturer	Wathai
Material Type	Lead
Max Rotational Speed	5300 RPM
Model Number	12038B12V4P2A
Noise Level	58 Decibels
Number of Items	1
Number of Packs	1
Part Number	12038B12V4P2A
Power Connector Type	4-Pin
UPC	702334356784
Unit Count	1.0 Count
Voltage	12 Volts (DC)
Wattage	22.8 Watts

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