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Is 2 Molex to 6 Pin Safe? | Convenient Way To Connect

Last Updated on August 23, 2022 by Jim Eddy Leave a Comment

Initially, 2 Molex to 6 pin adapters seem like an inexpensive and convenient way to power GPUs without a PCIe connection. However, whether or not they are safe can start a debate as they are infamous for burning up. Hence, we would any day recommend getting a new PSU (Power Supply Unit) with proper cables over risking your safety on an inexpensive adapter.

Simply put, 2 Molex to 6 pin adapters are best left unused unless your old PSU is the only option you are left with. That said, technically, they are usable. A single Molex connector can handle up to 60W, only a bit less than the rated 75W of 6-pin PCIe connectors.

2 Molex to 6 Pin Safe

2 Molex to 6 Pin Safe

Many experts will try to sell the idea that you can get away with using a Molex connector to power PCIe compatible equipment. But the reality is that Molex connectors are suitable for low power delivery. So, even though using an adapter can get the job done, you cannot stop the connector from overheating.

Is It Safe to Use 2 Molex to 6-Pin?

Generally, the rated current for Molex connectors is 5amps, meaning it can take on a maximum of 5A×12v = 60 watts. Considering 6-pin PCI-e connectors that work with 75 watts, 2 Molex to 6 pin adapters should withstand the power delivery. That means the adapter is less likely to fail.

In reality, however, the failure rate of such adapters is pretty high due to poor build quality. For example, you will find two main types of Molex to 6 pin adapters. The first kind will have the wires get into the plastic molding on its edge. Though such a finish gives the idea that the adapter is of high quality, such adaptations are prone to catching fire.

On the other hand, the second quality comes with metal clamp-like connections that cut into the wire’s plastic layer. That way, the clamps make contact with the conductor. Usually, these are a bit safer than the previously mentioned ones. Yet, they are hard to recommend if you want to power a high-end GPU.

Moreover, if your PSU lacks 6-pin or 8-pin PCIe (Peripheral Component Interconnect Express) connectors, there’s a high chance it has a low power rating. So, even if you manage to connect it to a graphics card through 2 Molex to 6 pin adapters, you might be dealing with low power delivery. And if that continues, your graphics card may end up damaged.

2 Molex to 6 Pin Mining

Powering a GPU for day-to-day use is a big challenge for Molex to 6-pin adapters. Thus, it sure is incapable of handling extensive computational tasks. Even when running GPU-hungry games, the Molex connector heats up excessively. Therefore, it is by no means suitable for mining, a job that pushes the GPU to its limits.

Verdict

There you have it. 2 Molex to 6 pin adapters are far from safe, although usable in some scenarios. But why take the risk of setting your house on fire when you can replace the PSU and run that new GPU of yours smoothly? It is better to be cautious than sorry.

Filed Under: Power

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