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 PWM Computer PC Case Fan 12V 4pin 5300rpm High Airflow Duall Ball CFM FG DC Brushless Cooling Fan

Wathai 12038 120mm x 38mm PWM Computer PC Case Fan 12V 4pin 5300rpm High Airflow Duall Ball CFM FG DC Brushless Cooling Fan

Product ID: 258712699

Details

Brand
Wathai
Power connector type
4-Pin
Product dimensions
38L x 120W x
Voltage
12 Volts (DC)
Wattage
22.8 watts

⚡22.8W powerful 12V motor

💨5300 RPM high-speed airflow

🔋67,000 hrs dual ball bearing lifespan

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274.52 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Cool your tech, own the room—because overheating is so last season!

ENDURANCE YOU CAN TRUST - Dual ball bearings rated for 67,000 hours of silent, smooth operation.
BLAZING 5300 RPM AIRFLOW - Pushes a massive 213 CFM to keep your rig ice-cold under pressure.
COMPLETE INSTALLATION KIT - Includes fan grill, screws, and nuts for hassle-free setup right out of the box.
THICK MIGHTY 38 MM FRAME - Extra depth means more air volume—because your system deserves serious cooling.
PLUG PLAY 4 PIN PWM CONTROL - Seamlessly integrates with your motherboard for precise speed management.

The Wathai 120mm x 38mm PWM computer case fan delivers an impressive 5300 RPM speed and 213 CFM airflow powered by a robust 12V, 22.8W motor. Featuring durable dual ball bearings with a lifespan of up to 67,000 hours, it ensures long-lasting, quiet performance. Its 4-pin PWM connector allows for precise speed control, while the thicker 38mm frame maximizes airflow volume. Perfect for gaming rigs, mining machines, or any high-performance PC setup needing reliable, high-capacity cooling.

Specifications

ASIN	B07SGWNV5J
Air Flow Capacity	213 Cubic Feet Per Minute
Best Sellers Rank	#30,430 in Computers ( See Top 100 in Computers ) #240 in Computer Case Fans
Brand Name	Wathai
Cooling Method	Air
Customer Reviews	4.5 4.5 out of 5 stars (1,055)
Item Dimensions L x W x H	38L x 120W x 120H millimeters
Manufacturer	Wathai
Material Type	Lead
Maximum Rotational Speed	5300 RPM
Model	12038B12V4P2A
Noise Level	58 Decibels
Number of Items	1
Part Number	12038B12V4P2A
Power Connector Type	4-Pin
UPC	702334356784
Unit Count	1 Count
Voltage	12 Volts (DC)
Wattage	22.8 watts

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