General OpenPOWER Hardware > General CPU Discussion

equivalent to a HP Z cooler?

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pocock:

Is there any possibility of somebody marketing a fanless POWER9 cooler similar to the HP Z coolers?

Maybe this would not be feasible for the 22 core chips but it would be very interesting for 4-core.  Not only is it silent but it also eliminates one possible type of mechanical failure.

ClassicHasClass:
There's the 2U heatsinks. I use one in a Blackbird. Works well enough but I would only use it for the 4-core.

Borley:

--- Quote from: ClassicHasClass on June 01, 2020, 10:26:28 pm ---There's the 2U heatsinks. I use one in a Blackbird. Works well enough but I would only use it for the 4-core.

--- End quote ---

You have air moving across it in some capacity though? No issues with throttling or anything?

pocock:

The HP Z cooler is not simply fanless, it is based on 3D vapor chamber phase-change cooling with staggered hex-fin heat exchangers

HP published some research about this technology

ClassicHasClass:

--- Quote from: Borley on June 04, 2020, 10:09:15 pm ---
--- Quote from: ClassicHasClass on June 01, 2020, 10:26:28 pm ---There's the 2U heatsinks. I use one in a Blackbird. Works well enough but I would only use it for the 4-core.

--- End quote ---

You have air moving across it in some capacity though? No issues with throttling or anything?

--- End quote ---

Yes, there are case fans. It's never gotten into overheat territory since those were installed.

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