HP Z620: Problem of auxiliary graphic workstation HP Z620 pci-e power connectors

I want to fit my new GPU Z620 workstation card. I see that there are two auxiliary pci - e power connectors on the plastic support. I intend to use these two to put my new graphics card but I see potential problems.
The problem is that in these two connectors pinout is not really to PCI-e spec. There are five female terminals to each 6 connector routes. The three terminals in the top row are crushed and two terminals downstairs is 12V. 6 cavity is empty in both connectors. As far as I know the PCI-e power connectors should have 12V power supplied to cavity n ° 4 and n ° 6 of cavity. What I have to manually change these two connectors pinout and move terminal 12V from cavity to cavity no.6 no.5 or there may be a few HP adapter that could solve this problem?

connectors

Only HP knows what HP has designed (and why) and as such, it cannot be assumed simply that a connector on a system is consistent with the 'standards' and not a "psudo owner" Connector (as seems to be the case with your PEG connector that is missing pin #3).

Normally, a PEG 2 connector x 3 can provide 75W and as such, each 12V pin provides 1/3 of the power budget. This means that the HP "psydo owner" PEG connector, for lack of a better term, may not be able to supply 50W (if each ping is kept for the same current capabilities used in the standard 2 x 3 plug PEG).

Then, this suggests the Z620 can only support a 175W graphics cards (with 75W of PCIe + 50W of each of the two 2 x 3 PEG connectors). Note that the standard allows graphics cards to 225W pulling 75W of the slot PCIe and 75W of each PEG 2 connector x 3!

Thus, quantify this is to watch the quickspec for your Z620 and see what graphics cards are certified for use with your system. Then to know what cards are certified for your system, you can check what PEG connectors as appropriate are provided on these certified cards and also check what is their energy consumption. I would guess that all graphics cards that require more juice 175W has not been certified by HP...

Since you say your card draws 165W, this budget of power seems OK during examination of the foregoing. So it should just be a matter of connect the two connectors of the PEG 2 x 3 and all should be well.

However, it you want a card more powerful, purely based on the fact that a standard 2 x 4 connector PEG can power 150W using three-pin 12V, this would indicate that each pin can supply 50W. Assuming that the pins used in a conector of PEG 2 x 3 and 2 x 4 are the same, a 2 x 3 with only two pins 12V power connector could in theory provide 100W each. So you could in theory use a 275W card into the PCIe slot with your 2 psudo owner HP PEG connectors. BUT it means something to the pins themselves and that your HP power is up to the task (and can actually provide the necessary 275W power).

And I would say that if you wanted a graphics 225W which is supported by standards, likley it would be a simple mod to the rider 12V among the pins for the vacancy that is normally used by the 3 pin (12V).  I'd be surprised if the block POWER HP of power and wiring could not handle the necessary extra 50W. But maybe it's a little too much for some who enjoy the guarantee.

In any case, without owning a Z620, I would be comfortable in saying that you have no problem with this graphics card 165W and these exclusive hybrid psudo 2 x 3 PEG connectors as is

(Heck, I don't got no problem with a 35W graphics card in a slot PCIe capable of 25W of my Dell T610 server that only supports the graphs via the inetgrated adapter)...

But really, who knows why only two used HP pin 12V in their PEG connectors, maybe they used the best quality PINE and they were not sufficient for the cards, they chose to certify. Maybe save 2 cents for a less pin was a driving force... HP only knows what HP...

Tags: HP Desktops

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