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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12038 120mm x 38mm PWM Computer PC Case Fan 12V 4pin 5300rpm 230CFM

Product ID: 139075285

Details

Brand
Wathai
Compatible Devices
Desktop Gaming
Cooling Method
cooling
Material
Plastic
Maximum Rotational Speed
5300 rpm
Noise Level
58 db

💨230 CFM airflow

🔋67,000 hrs dual ball bearing life

⚙️5300 RPM max speed

€ 50.51

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Stay cool, stay ahead — power your rig with Wathai’s airflow beast! 💨

TURBOCHARGED RPM - Spin up to 5300 RPM for rapid heat dissipation under heavy loads.
SMART PWM CONTROL - Intelligent 4-pin PWM lets you dial fan speed automatically based on temperature triggers.
UNMATCHED AIRFLOW POWER - Blow away heat with a massive 230 CFM for extreme cooling performance.
VERSATILE COMPATIBILITY - Perfect fit for gaming rigs, mining setups, and high-performance servers demanding serious airflow.
DURABILITY MEETS PRECISION - Dual ball bearings ensure a rock-solid 67,000-hour lifespan and versatile mounting.

The Wathai 12038 is a high-performance 120mm x 38mm PWM computer case fan delivering an impressive 230 CFM airflow at up to 5300 RPM. Featuring durable dual ball bearings rated for 67,000 hours, it offers reliable, long-lasting cooling ideal for gaming PCs, mining rigs, and servers. Its 4-pin PWM connector enables smart speed regulation based on temperature, ensuring efficient and adaptive cooling under demanding workloads.

Specifications

ASIN	B07SGWNV5J
Air Flow Capacity	530 cfm
Best Sellers Rank	#31,403 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Electronic Cooling Fans #77 in Computer Case Fans
Brand Name	Wathai
Compatible Devices	Desktop, Gaming Console, Inverter, Server, computer case
Cooling Method	cooling
Customer Reviews	4.5 4.5 out of 5 stars (1,148)
Item Dimensions L x W x H	4.72"L x 4.72"W x 1.5"H
Manufacturer	Wathai
Material Type	Plastic
Maximum Rotational Speed	5300 rpm
Model	12038B12V4P2A
Noise Level	58 db
Number of Items	1
Part Number	12038B12V4P2A
Power Connector Type	4-Pin
UPC	702334356784
Unit Count	1 Count
Voltage	12 volts_of_direct_current
Wattage	22.8 watts

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