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CRJ 4-Pin PWM GPU Dual Fan Splitter Adapter Cable All Black Sleeved for Graphics Cards

CRJ 4-Pin PWM GPU Dual Fan Splitter Adapter Cable All Black Sleeved for Graphics Cards

Q: is it safe to plug an aio to the gpu fan header using this ? planning on a g12 setup

We have not received any issues from customers using the cable in this configuration, but there are a few things I'd like to note. First is that most of the AIO pumps are 3-pin and will operate at full speed with this cable (GPUs only support PWM for speed control) which is ideal since they're usually quiet even at full speed. We recommend using the fan connector on this cable with the omitted 3rd pin. The reason for this is that the 3rd pin is used for tachometer RPM feedback being sent back to the GPU. Splitting it across multiple fans leads to inaccurate RPM values. The fan connector with the full 4 pins should be used for your fan, either for the VRM fan on your G12 (which is often upgraded to a 4-pin PWM fan for fan speed control for this reason) or the radiator fans.

Q: Does this work with the rtx series gpus?

Depends on which card. Some of the brands use 12pin(?) connectors that double as rgb and fan headers, others separate the 2 plugs. This worked for my Gigabyte 2080 Super Gaming OC

Q: Just to be sure, this cable controls both ends via pwn but one of them doesn't have the rpm speed control pin right?

You're exactly correct. Both fans will receive the same PWM signal and thus will operate at the same % speed. Unlike all the other pins, the RPM tachometer (pin 3) is the only wire where a signal is being sent back to the GPU. Sending the signal from both fans would result in an inaccurate RPM reading. All properly designed fan splitters in general also follow the same practice of leaving just one fan connector with the RPM tachometer wired.

Q: Using with NZXT G12. How would this connect? Rad fan to this adapter and just plug into any sysfan and it reads gpu temp? How does it know gpu temp?

This connector goes directly to the gpu, the Temps are read from the card through the pcie to the board not from the fan connectors. Connecting like this would allow the rad fans to be controlled by the gpu just like the stock fans would, however you might want to see if it's better to have the fans or the aio controlled by the gpu. There should be plenty of forums discussing the g12 use on GPUs.

4.7/5

Product ID: 418393347

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Details

Brand
CRJ
Cable Type
Fan
Special Feature
PWM and RPM
Recommended Uses For Product
Monitoring
Connector Gender
Male-to-Male

⚡6 Gbps Data Rate

🌀4-Pin Connector

📊RPM Monitoring

Frequently Bought Together

CRJ Micro 4-Pin GPU Dual Fan Adapter Cable - 6-Inch (15cm), Black Sleeved - Micro PH (2.0mm) PWM Graphics Card Fan Adapter for Connecting Two 3-Pin & 4-Pin PC Fans

Noctua NF-A12x25 PWM chromax.Black.swap, Premium Quiet Fan, 4-Pin (120mm, Black)

Noctua NF-A9 PWM chromax.Black.swap, Premium Quiet Fan, 4-Pin (92mm, Black)

Description

💨 Keep Your Cool with CRJ!

SLEEK AESTHETIC - All-black sleeved design for a clean, professional look.
PRECISION MONITORING - Stay ahead with real-time RPM tracking.
LIGHTWEIGHT COMPACT - Weighs only 9g, perfect for any build.
MAXIMIZE YOUR COOLING - Experience optimal airflow with PWM functionality.
UNIVERSAL COMPATIBILITY - Designed for all 4-pin GPU fans.

The CRJ 4-Pin PWM GPU Dual Fan Splitter Adapter Cable is engineered for performance and style. With its advanced PWM functionality and RPM monitoring, this adapter ensures your graphics card fans operate at peak efficiency. The sleek all-black sleeved design not only enhances your setup's aesthetics but also provides universal compatibility with all 4-pin GPU fans. Weighing just 9g, it's the perfect lightweight solution for any gaming or professional rig.

Specifications

Brand	CRJ Electronics
Cable Type	Fan
Special Feature	PWM Functionality and RPM Monitoring
Recommended Uses For Product	Monitoring
Connector Gender	Male-to-Male
Data Transfer Rate	6 Gigabits Per Second
Shape	Round
Number of Pins	4
Net Quantity	1.0 count
Specification Met	FCC
Outer Material	plastic or rubber
Manufacturer	CRJ Electronics
Model number	4044
Item Weight	9 g
Package Dimensions	10.29 x 6.6 x 1.78 cm; 9 g
Item model number	4044
Connectivity Technology	Fan Header
Type of connector	4-Pin
Voltage	12 Volts
Are batteries included?	No

Have a Question? See What Others Asked

is it safe to plug an aio to the gpu fan header using this ? planning on a g12 setup

Does this work with the rtx series gpus?

Just to be sure, this cable controls both ends via pwn but one of them doesn't have the rpm speed control pin right?

Using with NZXT G12. How would this connect? Rad fan to this adapter and just plug into any sysfan and it reads gpu temp? How does it know gpu temp?

Common Questions

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