Has anyone compared the performance of this against a Chilldex?

I received a Chilldex 2.0 just a couple weeks ago, and the Kiwi blows it away. The Kiwi moves way more air through the HMD, and it's sorta obvious based on its design that it is less constrained in the volume of air it can move because it isn't limited to what can fit inside the frunk. Worse yet, when I first switched on the Chilldex, it made a horrendously loud rattling noise that got much louder when moving the HMD. The Kiwi may be noticeable when playing games at low volume but I use it in sim racing where it is inaudible next to engine noise; still, it is a faint whir that doesn't turn to a rattle in any circumstances, so it is far better than even the "upgraded" version of the Chilldex.

whats the size of the fans? is it possible to replace the fans without destroying the radiator frame?

Yes I replaced mine with higher quality ones. They are 35x10mm fans 5v

how much do the fans weigh and is the weight noticeable at all?

Maybe an ounce or two and no. I cannot discern any increase in weight when I put the headset on when the fan is in.

Can the fans be heard over the mic by others during multi-player games?

Nope. If you are talking very quiet and you mic is up loud then maybe but normal talking nope and doesn’t activate the mic either.

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KIWI design USB Radiator Fans Accessories for Valve Index, Cooling Heat for VR Headset in The VR Game and Extends The Life of Valve Index

KIWI design USB Radiator Fans Accessories for Valve Index, Cooling Heat for VR Headset in The VR Game and Extends The Life of Valve Index

Product ID: 284547143

Details

Brand
KIWI design
Compatible Devices
Valve Index
Cooling Method
Air
Material
Metal Plastic
Maximum Rotational Speed
1350 rpm
Noise Level
50 db

🌀1350 RPM max speed

🔇50 dB low noise

🔌USB powered 5V

Description

❄️ Stay cool, game longer — the ultimate Valve Index sidekick!

COOL UNDER PRESSURE - Specially engineered radiator fans to keep your Valve Index headset chill during marathon VR sessions.
SEAMLESS INTEGRATION - Sleek, minimalist design perfectly matches the Valve Index aesthetic for a professional look.
PLUG PLAY SIMPLICITY - Effortless USB installation with an easy-access switch for instant cooling control.
EXTEND YOUR VR LIFESPAN - Proactively reduces heat buildup to protect and prolong your Valve Index headset’s durability.
WHISPER QUIET PERFORMANCE - Operate in near silence at just 50 decibels, so your immersion stays uninterrupted.

The KIWI design USB Radiator Fans are precision-built cooling accessories for the Valve Index VR headset, featuring a quiet 1350 RPM fan running at 50 decibels powered via USB. Designed for easy installation and seamless aesthetic integration, these fans reduce heat buildup to enhance comfort and extend the lifespan of your Valve Index during immersive VR gameplay.

Specifications

ASIN	B08N4H236Y
Best Sellers Rank	#30,891 in Video Games ( See Top 100 in Video Games ) #210 in Laptop Cooling Pads & External Fans #319 in PC Virtual Reality Headsets
Brand Name	KIWI design
Compatible Devices	Valve Index
Cooling Method	Air
Customer Reviews	4.5 4.5 out of 5 stars (2,608)
Item Dimensions L x W x H	4.72"L x 2.76"W x 1.57"H
Item Weight	9.07 g
Manufacturer	KIWI design
Material Type	Metal Plastic
Maximum Rotational Speed	1350 rpm
Model	KW-Q19-EU
Noise Level	50 db
Number of Items	1
Number of Packs	1
Part Number	VR
Power Connector Type	USB
Unit Count	1 Count
Voltage	5 volts
Wattage	20 watts

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