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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💨 Keep your system cool, your edge sharper.

ENDURANCE ENGINEERED - Dual ball bearings rated for 67,000 hours ensure relentless performance without compromise.
PRECISION PWM CONTROL - 4-pin connector with PWM lets you fine-tune fan speed for whisper-quiet efficiency or max airflow on demand.
TURBOCHARGED COOLING POWER - Experience ultra-high 5300 RPM airflow pushing 230 CFM to keep your rig ice-cold under pressure.
PLUG PLAY WITH CONFIDENCE - Includes fan grill, mounting nuts, and backed by a 1-year warranty with hassle-free returns.
VERSATILE FIT FOR POWER USERS - Sized at 120x120x38mm, perfect for gaming PCs, mining rigs, and server chassis needing serious ventilation.

The Wathai 12038 is a high-performance 120mm x 38mm PWM computer case fan delivering an impressive 5300 RPM and 230 CFM airflow. Featuring durable dual ball bearings rated for 67,000 hours, it ensures long-lasting, reliable cooling for gaming PCs, mining machines, and servers. With a 4-pin PWM connector, it offers precise speed control balancing noise and performance, all backed by a 1-year warranty and included mounting accessories.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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Manufacturer	Wathai
Part number	12038B12V4P2A
Item Weight	390 g
Product Dimensions	3.81 x 11.99 x 11.99 cm; 390 g
Color	120x38mm 12V Ball 4P
Style	12V 4 Pin Ball
Material	Plastic
Voltage	12 Volts (DC)
Wattage	22.8 W
Airflow	530 Cubic Feet Per Minute
Noise Level	58 dB
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	38 x 120 x 120 mm

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

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