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July 29th, 2022 14:00

Graphics card change inquiry

Hi,

I was wondering whther this card will fit into a T3600 or a 9020 and if so would it be better than what is akready in them.

GeForce GTX 1650 D6 VENTUS XS OCV1

At the moment the T3600 has a NVS315 in it and the 9020 a Graphics 4600.

Thanks

11 Legend

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47K Posts

July 29th, 2022 16:00

MSI Gaming GeForce GTX 1650 (GTX 1650 D6 Ventus XS OCV1)
fits a tower.
Using that 75W gpu requires the optional
365W power supply and secure boot off in bios.

365w PSU =
7VK45 365w, Huntkey
T1M43 365w, Delta

2 Intern

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140 Posts

July 29th, 2022 16:00

Many thanks. Can you suggest an economical Graphics card better than the NVS 315 or 4600 for those boxes?

9 Technologist

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July 29th, 2022 19:00

You don't need a 365w PSU to run a 75w GPU.  The 7020/9020 MT comes with a 290w PSU.  I mention the 7010/9010 MT because it comes with a 275w PSU and running a 75w GPU on it is well within Dell specs.

Not sure if this post will display correctly since this site's formatting went bonkers.

 Screengrab is from the Optiplex 7010 Tech Guide.  Note the PCIe x16 blue slot:

Screenshot_20220729-203411.png

9 Technologist

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July 29th, 2022 20:00

T3600 came with either 425w or 625w PSU.

11 Legend

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47K Posts

July 29th, 2022 21:00

https://www.youtube.com/watch?v=huNOr2366YE
RX460 uses 50W which is also good.

11 Legend

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47K Posts

July 29th, 2022 21:00

OEM RX460 can sometimes be had for $60 or less. Recently Bought 10 of them on ebay for $500 including shipping.
https://www.ebay.com/p/15047404221
Again ONLY for TOWER model.

11 Legend

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47K Posts

July 29th, 2022 21:00

I have to disagree entirely because the 7010 24 pin power supply is not the same as 7020 8 pin power supply. Tower is 290W but DT is 250W and SFF is 200W.
https://www.dell.com/support/home/en-us/product-support/product/optiplex-9020-desktop/docs

9 Technologist

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July 30th, 2022 11:00

I specified "MT" in my post above.  Not sure why you disagree entirely with Dell specs.  I know 275w PSU isn't the same as 290w PSU.  Either can run a 75w GPU.

@ozstar - Is your 9020 an MT - a tower and not one of the smaller models?

 

1 Rookie

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55 Posts

August 7th, 2022 17:00

I'd consider one of the modern-ish T series cards. Quite powerful for the price and power draw. I don't know your budget, but Dell has decent prices and then you are keeping everything Dell sourced. But these are available from many sources with varying prices and quality of support. 

https://www.dell.com/en-us/work/shop/pny-technologies-nvidia-rtx-t1000-graphics-card-8gb-gddr6-pcie-30-x16-small-form-factor-4-x-mdp-14-retail-packaging/apd/ab904566/graphic-video-cards

https://www.dell.com/en-us/work/shop/nvidia-t600-graphics-card-t600-4-gb-gddr6-pcie-30-x16-low-profile-4-x-mini-displayport/apd/ab643765/graphic-video-cards

11 Legend

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47K Posts

August 8th, 2022 10:00

@bradthetechnut 

"I know 275w PSU isn't the same as 290w PSU. Either can run a 75w GPU."

Actually thats not correct for multiple Reasons.

1.   The 9020 video slot max power is 50W with 290W PSU Blue Slot whereas X4 Black Slot max power is 25W.

2.  3.3v/5v is taken from motherboard.  142 to 225W is needed for the combined power on those Rails.  PCI-E slots use 10W per slot on the 3.3v rail and 65W on the 12v rail.  You don't get over 12v 18 AMPS on ANY Rail ANY power supply because that would exceed UL 94v fire safety regulations.   Power supplies are more than 1 rail and More than a single spec of WATTS.

Even Dell 305W units have 150W combined for these rails and that is not counting the 20W for 5vSB.

75W comes from the 3.3v rail via the X16 video slot.

3.3v @  23 Amps is 75W

3.3V @ 20 Amps  is 66w

3.3v / 5v Rails are combined power.  You cannot use MAX POWER on all rails simultaneously.

Thats why 25A and 150W max power is required. The 9020 PSU does not have 3.3v/5v rails those are on the motherboard.

5v is used on each USB port.  The ram also uses 3.3v and 5v standby.  T1M43 has separate 12v rail for 5vsb conversion. No rail on the 290 or 365w exceeds 18 AMPS aka 216W.

Power supplies are not a single rail with single spec of watts.  Some dell models actually say 25W max for the X16 slot on the smaller models.

Mini Towers with 305W power supplies say 75W on the X16 video slot.

 

You CANNOT USE max power on all rails at the same time.

Which is why the combined power is very specific for 3.3v/5v rails.

Dell W299G/J556T  875w unit has 225W on those rails and 32 amps for 5v and 30 amps for 3.3v

some other vendors 1000W have 90 to 130W max for 3.3v/5v which is why there are problems.

Dell has 150W - 225w combined for 3.3v/5v on their 305W power and larger supply. 12v 5.5 AMPS is Just for the Slot if 75W aka 66W. Which is why 290 must be updated to 365W when using 75W card.

Note How 12v goes UP in AMPSNote How 12v goes UP in AMPS

dell 875w note 12v 18 amps max for all 12v railsdell 875w note 12v 18 amps max for all 12v rails

264W 12v leaves 26W for everything else.264W 12v leaves 26W for everything else.Rails for 305W Power Supply.Rails for 305W Power Supply.

 

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August 8th, 2022 11:00

From the Optiplex 9020 Tech Guide, max allowed wattage on the PCIe x16 slot is 75w.

Screenshot_20220808-125827.png

Just one example of 1,991 user's using 75w GPU's in their 9020:  https://www.userbenchmark.com/System/Dell-OptiPlex-9020/820 

 

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