Question Is a 180w PSU enough for an Nvidia Quadro K620 and an Intel i5-10400 ?

[jamaggs]

Hello, I have an HP M01-F1002na Desktop PC which to my surprise only has a 180w PSU. The PSU is also non-standard so it's hard to upgrade at a reasonable cost.

The CPU is an i5-10500 and I would like to put an old Nvidia Quadro K620 in it for various reasons. When I've used online power consumption calculators the system apparently will use less than 180W. The CPU is rated as 65W and the GPU as 45W, I guess leaving 70W available for everything else. Most of my USB peripherals are plugged into my separately powered monitors.

However, I'd love to have some advice on:

1. I have also read that the CPU can go into turbo mode which would mean more power consumption. Should I be worried about this?

2. Is it a bad idea to add a GPU (even a low powered one like the Quadro K620)?

3. If it is a bad idea, are there any other options available in terms of upgrading the PSU without spending too much? I can see some reasonably cheap HP 240W PSUs on ebay but can't find any information about their compatibility in terms of size or connectors (for instance: HP 722536-001 and 722299-001).

Many thanks for your help in advance!

James

 

[Lutfij]

Welcome to the forums, newcomer!

After reading through these;
https://h30434.www3.hp.com/t5/Deskt...uestions/M01-F1002na-PSU-Upgrade/td-p/8208660

Is it possible to upgrade the PSU?

I bought a new graphics card that needs 6-pin PCI-E power before realising my desktop (model m01-f1002na) PSU doesn't have any PCI-E cables. Is it possible to buy a new PSU for it? I noticed it's slimmer in size than PSUs that I've seen and the slot at the back of the tower unit doesn't go...

h30434.www3.hp.com

I would upgrade the PSU on that platform and call it a day instead of creating problems down the road with a lackluster/inadequate PSU.

This is the unit you're looking for;
https://www.ebay.com/itm/334918462481

 

[jamaggs]

Thanks, but that is somewhat out of my price range!

 

[rgd1101]

i5-10500 pl1 65w pl2 is 134w
https://www.tomshardware.com/news/intel-pl1-pl2-tau-10th-gen-comet-lake-processors
and psu is about 80%

 

[jamaggs]

i5-10500 pl1 65w pl2 is 134w
https://www.tomshardware.com/news/intel-pl1-pl2-tau-10th-gen-comet-lake-processors
and psu is about 80%

Hi - thanks for your reply. Are you saying don't put a GPU in because the CPU can already max out to 134W?

Would an alternative be to cap the CPU usage to ensure that not too much power is used?

Many thanks

James

 

[Misgar]

Hello, I have an HP M01-F1002na Desktop PC which to my surprise only has a 180w PSU.

This web page recommends a 200W PSU for the K620 which has a nominal TDP of 45W.
https://www.techpowerup.com/gpu-specs/quadro-k620.c2600

Although the PL2 figure for the i510500 is 134W, it's unlikley it'll ever sit there for very long, unless you're running a benchmark stress test, an intensive game, WinRAR file compression o a Hnadbrake video conversion.

If you connect a Wattmeter and check the power consumed by the complete PC, you'll probably find it idles well below 100W, but increases over 100W when loaded. How close it gets to the nominal 180W limit of the PSU I cannot say. A good PSU sometimes has a 10% overload factor built in, A really bad PSU might give up the ghost when you load it with more than 50% of "rated" power. Do you feel lucky?

 

[jamaggs]

Thanks Misgar

Having thought about this, what I'll probably do is put in the K620 and apply a limit the power usage of the CPU to 65W (sacrificing some performance of course). I'll then check the power consumption under stress with a mains power meter to ensure that it stays at a sensible level. I'm assuming that the PSU should be reasonably good being an original HP.

Thanks

James

 

[--SID--]

I doubt a HP OEM motherboard has PL2 set to 134w.

180w is fine. I've put tons of GTX 1050 Ti GPUs in OEM systems with 180w PSUs like this. The PSU is a very reliable 12v only unit. Decent quality and very efficient.

 

[jamaggs]

Indeed, I tested it and couldn't manage to get the power consumption of the CPU above about 90W. I still might limit the CPU power usage to be on the safe side.

Many thanks!

James

 

[jamaggs]

By way of an update, I installed the K620 today together with applying a 65KW limit on the CPU.

I used a mains power meter to test the power consumption. With a CPU stress (which itself got the CPU to the 65W limit) and two GPU benchmarks (one running on the K620 and the other on the integrated GPU) the power drawn from the mains got to about 130W max. The amount going into the system was presumably a bit lower than this, so well within the 180W limit. If I'd not limited the CPU power it would probably still be ok, but I'll play it safe.

So all in all, this setup seems pretty safe and ok to me.

Many thanks for everyone's suggestions.

James