
These fans are extremely quiet. The flow rate is what you would expect from a 5v, 30mm fan. I used one as a supplement to the heat sinks on my Raspberry Pi 4. I had to build a custom mount, but it was worth the effort for a silent cooling solution.

500W PSU With 80 Plus Bronze Certification For Efficient Power Supply
37 Review

Upgrade Your Laptop With Timetec 16GB DDR4 2133MHz Memory Kit - Non-ECC
32 Review

TEAC CD-RW890MK2-B Home Audio CD Recorder With Bluetooth - Black
38 Review

Upgrade Your Laptop'S Performance With Timetec'S 4GB DDR3L / DDR3 RAM At 1600MHz Speeds - Non-ECC, Unbuffered, Dual Rank, With 204 Pin SODIMM - Low Voltage 1.35V / 1.5V, CL11 (4GB Module)
37 Review

AUNA Connect 150 Black 2.1 Wi-Fi Internet Radio Music Player With MP3 USB Port, AUX & Remote Control - Black
16 Review

Stream Your Favorite Tunes With AUNA KR-200 SI Internet Kitchen Radio - Spotify Support, Remote Control, And More!
15 Review

Sangean PR-D4W Portable Weather Alert Radio with AM/FM Bandwidth Narrowing and Auto Tracking for Improved Searchability
12 Review

Sony ICFC1TBLACK Alarm Clock Radio
11 Review