They show a 5 blade and 7 blade fan, which is it. Looks like they send a 5 blade fan, is it loud?

I don’t have it in front of me at the moment but, if I remember correctly it’s a 5 blade. No it’s not loud at all; you can wire it up for 2 speed options. Low is basically silent as far as fans go and high is quiet enough to have a quiet conversation over without disruption, more then a few feet away and you can’t hear it. Also it does keep the chip temperature in the safe zone under a maxed out load for multiple hours.

What size is the fan?

Hello, friend, the size of raspberry pi fan is 35mm, model 3510, I hope it can help you.

Is this a suitable case to be fit on the back of a rp4 screen like this? https://www.amazon.com/osoyoo-touchscreen-raspberry-capacitive-compatible/dp/

Your link didn’t work.. but I looked it up and if it’s the same one I found than it will be a monitor that hangs loose outside of the case atta he’s by the ribbon cable. This touchscreen monitor attaches by screws to the board, and the miuzei case occupies those screw holes. You may be able to modify the miuzei case by screwing this monitor to it, but it may take some modifications. Maybe different screws or even some cutting.. so.. there’s no guarantee since this monitor is not designed to work with this case.

Could I use a potentiometer for a variable speed fan?

Theoretically, it is feasible to change the fan speed by adjusting the voltage through the potentiometer. We have not tried this part. You should test it yourself. I hope it can help you!

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Miuzei Case for Raspberry Pi 4 Model B 4gb with Fan Cooling 4Pcs HeatSinks | 3510 Brushless Quiet Fan, Acrylic Clear Blue Shell, Visible Internal Run, Dust-proof, Full Port Access, for Desktop Office

Product ID: 152944444

Details

Brand
Miuzei
Case Type
Mid Tower
Color
Black/Blue
Cooling Method
Air
Fan Size
35 millimeters
Material
Acrylic

🔌Full access to all Pi 4 ports without obstruction

🧊4 Aluminum heat sinks for rapid heat dissipation

🌬️Silent 5V DC fan for efficient cooling

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Description

🌟 Keep your Pi cool, connected, and looking sharp—because your projects deserve the best!

STABLE STYLISH - Rubber feet provide a scratch-free, stable base while the sleek acrylic design turns heads.
COOL UNDER PRESSURE - Advanced fan + 4 aluminum heat sinks keep your Pi 4 running smooth even under heavy loads.
EFFORTLESS ASSEMBLY - Pre-assembled layers with secure screws make setup a breeze for pros and beginners alike.
FUTURE PROOF COMPATIBILITY - Designed specifically for Raspberry Pi 4 Model B, with flexibility for similar boards.
UNINTERRUPTED CONNECTIVITY - Precision cutouts ensure seamless access to USB-C, HDMI, GPIO, and more—no compromises.

The Miuzei Raspberry Pi 4 Case combines a silent 5V cooling fan with 4 aluminum heat sinks to efficiently manage CPU temperatures. Crafted from durable acrylic, it offers full access to all Raspberry Pi 4 Model B ports and GPIO pins, while rubber feet ensure stability and desk protection. Easy to assemble and designed for optimal airflow, this case elevates both performance and aesthetics for your Raspberry Pi 4 setup.

Specifications

ASIN	B07VX3HQGJ
Antenna Location	Business, Gaming
Best Sellers Rank	#48 in Heatsinks
Brand	Miuzei
Case Type	Mid Tower
Color	Black/Blue
Compatible Devices	Raspberry Pi 4 Model B
Cooling Method	Air
Customer Reviews	4.4 4.4 out of 5 stars (1,014)
Enclosure Material	Acrylic, Plastic
Fan Size	35 millimeters
Hard Disk Form Factor	3.5 inches
Item Type Name	raspberry pi case
Item Weight	0.15 kg
Light Color	RGB, led
Manufacturer	Miuzei
Mfr Part Number	MC11-4-P-F
Model Name	case for raspberry pi 4
Model Number	raspberry pi 4 case
Number of Fans	4
Number of Items	1
Number of Packs	1
Other Special Features of the Product	Built-In Fan
Power Supply Mounting Type	Bottom Mount
Supported Motherboard	Mini ITX
Total Expansion Slots Quantity	1
Total USB 2.0 Ports	2
Total Usb Ports	2
UPC	824918029881
Unit Count	1 Count

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NT$814

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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