Power Supply 400W 12V External GaN PSU (ATM450A2-P120 - Adapter Technology)

[protocolsix]

I just came across this external PSU:

Seems pretty ideal for an external brick build in conjunction with J-HACK M2426. Can't find it sold anywhere yet but will be at their booth at Computex 2023

• ATM450A2-P120
• 12V 33.34A 400W
• L 254 × W 116 × H 47 (mm)
• http://www.adaptertech.com.tw/I-T-E---Medical-450W-GaN-Series.html?CID=2_2
  
  
  

 

[princess_daphie]

The power brick is quite powerful, but it's not THAT much more powerful than Mean Well's currently most powerful external power brick.

That said, however, I checked the M2426 unit by J-Hack, as I wasn't aware of it and, doesn't it require 5VSB and PS_ON to function properly? Like, is there an easy way to use it without an actual SFX PSU? Also, I checked and it would cost me an arm to order one in Canada, loll

 

[BaK]

I checked the M2426 unit by J-Hack, as I wasn't aware of it and, doesn't it require 5VSB and PS_ON to function properly? Like, is there an easy way to use it without an actual SFX PSU?

Without PS_ON, not all but some GPUs will still have their fans running at full speed even if the system is powered down.

There are two PS_ON connectors on the M2426, one for ATX PSUs and one for compatible 12V PSUs.
I'm enjoying running the M2426 along with an internal MeanWell PSU.
Have a look at my LiGHTPC build (see sig) for more detailed info!

 

[princess_daphie]

Without PS_ON, not all but some GPUs will still have their fans running at full speed even if the system is powered down.

There are two PS_ON connectors on the M2426, one for ATX PSUs and one for compatible 12V PSUs.
I'm enjoying running the M2426 along with an internal MeanWell PSU.
Have a look at my LiGHTPC build (see sig) for more detailed info!

Ohhh, that's good to know. I think I hadn't understood what 5VSB and PS_ON were doing exactly. I had kind of understood it backwards, lol. So, in essence, with an external power brick, it's not that big of a deal, except for the GPU fans if plugged directly into the power input. Thanks!

Also, your LiGHTPC looks good and love the power supply design, yeah!

 

[protocolsix]

Nothing listed about pricing but there’s a U.S. vendor for this now https://www.trumpower.com/library/tgm450.pdf (branded as TGM450)

 

[Phuncz]

Nothing listed about pricing but there’s a U.S. vendor for this now https://www.trumpower.com/library/tgm450.pdf (branded as TGM450)

They also have a 450W non medical grade as the TTG-450 which seems to be the same unit: https://trumpower.com/DeskTop-Select.html#100w

 

[Overtek]

They also have a 450W non medical grade as the TTG-450 which seems to be the same unit: https://trumpower.com/DeskTop-Select.html#100w

In the past for medical certification the main difference tended to be the need for lower leakage current, that was the only real difference I recall when dealing with them many many years ago