are these silent or the standard howling?

They aren’t silent but they are at least 90% quieter than the standard screamers. A point to note is that on the servers I've used these the cpu temps can be around 10-12c hotter than using the screamers so watch out for that. They move significantly less air.

Arctic S4028 15k 40x40x28 Mm Server Fan 1400 15000 Rpm

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💨 Small Fan, Big Impact: Power Your Server’s Cool Factor!

BUILT TO LAST - Dual ball bearings ensure long-lasting durability and resistance to heat and dust.
VERSATILE COMPATIBILITY - Fits 1U server cases, routers, NAS, and more with a flexible 4-pin connector and 40 cm cable.
WHISPER QUIET EFFICIENCY - Optimized for low noise at high speeds, ideal for professional environments demanding silent operation.
UNMATCHED SPEED CONTROL - PWM-regulated 1400–15000 RPM for precision cooling performance.
POWERFUL AIRFLOW IN COMPACT SIZE - Delivers 32.67 m³/h airflow with 26.5 mm/H2O static pressure—perfect for tight server racks.

The ARCTIC S4028-15K is a high-performance 40x40x28 mm server fan featuring a wide PWM-regulated speed range up to 15,000 RPM, delivering robust airflow and static pressure. Its dual ball bearing design guarantees exceptional durability and resistance to environmental stressors. Designed for 1U server cases and network devices, it offers versatile connectivity with a 4-pin connector and a long cable for flexible installation. Engineered for quiet, efficient cooling, it’s the go-to choice for professionals seeking reliable, compact thermal management.

Specifications

ASIN	B09SB3Z6ND
Air Flow Capacity	264 Cubic Feet Per Minute
Best Sellers Rank	#102 in Computer Case Fans
Brand	ARCTIC
Brand Name	ARCTIC
Compatible Devices	Printer, Server
Cooling Method	Air
Customer Reviews	4.3 out of 5 stars 143 Reviews
Item Dimensions L x W x H	1.57"L x 1.1"W x 1.57"H
Manufacturer	ARCTIC
Material Type	Plastic
Maximum Rotational Speed	15000 RPM
Model	ACFAN00264A
Noise Level	35 Decibels
Number of Items	1
Part Number	ACFAN00264A
Power Connector Type	2510 4-Pin Fan-Connector
Product Dimensions	1.57"L x 1.1"W x 1.57"H
UPC	840033401616
Unit Count	1.0 Count
Voltage	12 Volts
Warranty Description	6 years

Reviews

S**S

13.10.2025

J**S

19.04.2026

S**X

6.03.2024

A**N

25.01.2026

S**L

14.01.2026

U**5

10.03.2026

M**S

16.01.2026

J**.

14.04.2026

I**S

4.07.2023

J**L

10.02.2024

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801434₫

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In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

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