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SteveGrabowski0

Crazy to run an RTX 2070 Super on a 450W psu?

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Posted · Original PosterOP

My PSU is a Bitfeenix Forumla 450 Gold which is listed in Tier A+ in the power supply tier list thread, and I'm somewhat considering a 2070 Super.

 

Anandtech lists the total system power consumption at 302W for playing Shadow of the The Tomb Raider and 314W in Furmark when paired with a 5.0 GHz i9-9900k, and I'd be running with a locked 3.6 GHz Xeon E3-1231v3 (88W Haswell 4C/8T). Techpowerup found a peak gaming draw of 220W for the card, so is there any reason I should worry about running a system with Xeon E3-1231v3 + 16GB DDR3-2400 + RTX 2070 Super on what's supposed to be a pretty high quality 450W unit? Would I be worried about small spikes in power that might overwhelm my PSU or something?

 

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Is Nvidia's 650W recommendation just serious overkill? Or is it there to protect from people running firehazard PSU that can't output what they claim? Or is it that high for good reason?


My system

CPU: Xeon E3-1231v3  Board: MSI Z97S SLI Krait Edition  GPU: EVGA GTX 970 SC ACX 2.0

RAM: G.Skill Ripjaws X DDR3-2400 CAS 11  SSD: Samsung 850 EVO 500GB  HDD0: HGST Deskstar NAS 4TB 7200RPM

HDD1: Seagate 1TB 7200RPM  HDD2: WD Black 1TB 7200RPM  CASE: Phanteks Enthoo Pro  PSU: Antec Neo Eco 620C

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Posted · Original PosterOP

I'd probably be looking at a reference model since I know power consumption can really go to hell once you start overvolting though.


My system

CPU: Xeon E3-1231v3  Board: MSI Z97S SLI Krait Edition  GPU: EVGA GTX 970 SC ACX 2.0

RAM: G.Skill Ripjaws X DDR3-2400 CAS 11  SSD: Samsung 850 EVO 500GB  HDD0: HGST Deskstar NAS 4TB 7200RPM

HDD1: Seagate 1TB 7200RPM  HDD2: WD Black 1TB 7200RPM  CASE: Phanteks Enthoo Pro  PSU: Antec Neo Eco 620C

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It will be fine.


Ryzen 3600 4.33ghz . CM Hyper 212 Turbo. MSI X470 Gaming Plus Max. Crucial Ballistix Sport LT 3200 @ 3200 CL 15 (OC). Powercolor RX 5700XT Red Dragon. FD Meshify S2. Crucial P1 M.2 1TB. Corsair Vengeance 650W 80+ Silver.

 

Core 2 Duo 3.4ghz . WenjuFeng cooler . ASUS P5G41C-M LX . Crucial 1066mhz 3GB DDR2 . Gainward Golden Sample HD 4850 . Coolermaster Elite 430 . Seagate 160GB IDE 7200RPM . BeQuiet System Power 9 400w 80+ Bronze

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Should be fine. The card might trigger the OCP on the GPU rail, but you won't be putting anything at risk.


 

Quote

Women. They are a complete mystery.

-Stephen Hawking

 

I think the hoomans put their builds here?

Why do you hoomans give your builds a name? Here's my build, which I shall call "Do as I Say, Not As I Do" (seriously, don't get this build)

Spoiler

Ryzen 1500X @3,925 GHz

Cooler Master Hyper 212 Evo + 2x ML120

MSI B350 Tomahawk Arctic

2x8GB Corsair Vengeance LPX 3000 MHz CL15 (Micron B-die) @2933 MHz

Sapphire Radeon R9 280 Dual-X @1120 MHz / 1450 MHz

120GB 850 Evo

120GB Kingston SSD

500GB WD Blue

Cooler Master Elite 430

Seasonic Prime Titanium 650W

Logitech G710 with Kailh Box Jade

Logitech G502

HyperX Cloud

And my laptop, which I shall call "If It's Stupid But It Works" (It can actually play CS:GO at 50 FPS, and Civ V at 25 FPS)

Spoiler

Lenovo Thinkpad L460

Intel Core i3 6100U

4GB (probably) DDR4 2133 MHz

Intel HD Graphics 520 0.3-1.0 GHz

128GB Samsung MZ7LF128HCHP

Corsair M65 Pro RGB (worst mouse I've ever had)

Sennheiser CX 5.00G

And here would be where I would put a picture of my cat. But apparently, images are not allowed here. So take this instead (*ΦωΦ*)

Hello fellow night theme users

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Posted · Original PosterOP
1 hour ago, seon123 said:

Should be fine. The card might trigger the OCP on the GPU rail, but you won't be putting anything at risk.

Do you think it's likely? It has three +12V rails each listed for 25A, so each rail should handle 300W continuous power, and 450W continuous combined on the +12V rails. And it has two 6+2 pin PCIE power connected, so it's not like I'm going to be using MOLEX to PCIE adapters like you always see people asking about with fire hazard PSUs. Considering anandtech only pulled 314W for total system power consumption in Furmark with the reference 2070S on a much higher power cpu, while Techpowerup measured 218W sustained in Furmark just for the reference 2070S, I'm not sure why some are saying it'll be a problem. Is it likely to say spike up to 300+ W at times despite only doing 218 W sustained in Furmark? (I always thought Furmark was the worst load you could give a gpu)

 

I'm not that knowledgeable on PSUs tbh. Obviously I don't want to overload the PSU if I'm going to be tripping OCP and cutting power to the system.


My system

CPU: Xeon E3-1231v3  Board: MSI Z97S SLI Krait Edition  GPU: EVGA GTX 970 SC ACX 2.0

RAM: G.Skill Ripjaws X DDR3-2400 CAS 11  SSD: Samsung 850 EVO 500GB  HDD0: HGST Deskstar NAS 4TB 7200RPM

HDD1: Seagate 1TB 7200RPM  HDD2: WD Black 1TB 7200RPM  CASE: Phanteks Enthoo Pro  PSU: Antec Neo Eco 620C

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5 hours ago, SteveGrabowski0 said:

Do you think it's likely? It has three +12V rails each listed for 25A, so each rail should handle 300W continuous power, and 450W continuous combined on the +12V rails. And it has two 6+2 pin PCIE power connected, so it's not like I'm going to be using MOLEX to PCIE adapters like you always see people asking about with fire hazard PSUs. Considering anandtech only pulled 314W for total system power consumption in Furmark with the reference 2070S on a much higher power cpu, while Techpowerup measured 218W sustained in Furmark just for the reference 2070S, I'm not sure why some are saying it'll be a problem. Is it likely to say spike up to 300+ W at times despite only doing 218 W sustained in Furmark? (I always thought Furmark was the worst load you could give a gpu)

 

I'm not that knowledgeable on PSUs tbh. Obviously I don't want to overload the PSU if I'm going to be tripping OCP and cutting power to the system.

It should be more than capable of powering the GPU, it's just that newer Nvidia cards can have quite high transients, which may trigger some protections. Worst case scenario is that is just shuts down. 


 

Quote

Women. They are a complete mystery.

-Stephen Hawking

 

I think the hoomans put their builds here?

Why do you hoomans give your builds a name? Here's my build, which I shall call "Do as I Say, Not As I Do" (seriously, don't get this build)

Spoiler

Ryzen 1500X @3,925 GHz

Cooler Master Hyper 212 Evo + 2x ML120

MSI B350 Tomahawk Arctic

2x8GB Corsair Vengeance LPX 3000 MHz CL15 (Micron B-die) @2933 MHz

Sapphire Radeon R9 280 Dual-X @1120 MHz / 1450 MHz

120GB 850 Evo

120GB Kingston SSD

500GB WD Blue

Cooler Master Elite 430

Seasonic Prime Titanium 650W

Logitech G710 with Kailh Box Jade

Logitech G502

HyperX Cloud

And my laptop, which I shall call "If It's Stupid But It Works" (It can actually play CS:GO at 50 FPS, and Civ V at 25 FPS)

Spoiler

Lenovo Thinkpad L460

Intel Core i3 6100U

4GB (probably) DDR4 2133 MHz

Intel HD Graphics 520 0.3-1.0 GHz

128GB Samsung MZ7LF128HCHP

Corsair M65 Pro RGB (worst mouse I've ever had)

Sennheiser CX 5.00G

And here would be where I would put a picture of my cat. But apparently, images are not allowed here. So take this instead (*ΦωΦ*)

Hello fellow night theme users

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Posted · Original PosterOP
3 hours ago, seon123 said:

It should be more than capable of powering the GPU, it's just that newer Nvidia cards can have quite high transients, which may trigger some protections. Worst case scenario is that is just shuts down. 

Do you think if those high transients you speak of are going to overpower one of the rails that it's something that would show up right away? Eg let's say the first thing I do with the card is run Furmark for an hour. Would that be likely to suss out this potential problem?

 

With the rumored PS5 baseline being RX 5700 XT performance plus some form of hardware raytracing it seems like 2070 Super might be the cheapest card to at least reach console parity with next gen, so if I buy a gpu now it's probably 2070 Super or nothing. I think I'm most likely to just wait for the PS5 official specs as well as Computex before deciding between say 2070 Super, PS5, or a hypothetical RTX 3070 that would probably get announced at Computex if it's coming this year, but there's definitely a small voice telling me just buy the damn 2070 Super already so I can play Control, for instance. 😄


My system

CPU: Xeon E3-1231v3  Board: MSI Z97S SLI Krait Edition  GPU: EVGA GTX 970 SC ACX 2.0

RAM: G.Skill Ripjaws X DDR3-2400 CAS 11  SSD: Samsung 850 EVO 500GB  HDD0: HGST Deskstar NAS 4TB 7200RPM

HDD1: Seagate 1TB 7200RPM  HDD2: WD Black 1TB 7200RPM  CASE: Phanteks Enthoo Pro  PSU: Antec Neo Eco 620C

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Posted · Original PosterOP
6 hours ago, Vejnemojnen said:

@SteveGrabowski0

it should be fine! Undervolt the thing, will get you ~ 40w less draw.

 

 

Wow that's pretty cool. Thanks for sharing the guide. Might look into this if I end up buying a 2070S.


My system

CPU: Xeon E3-1231v3  Board: MSI Z97S SLI Krait Edition  GPU: EVGA GTX 970 SC ACX 2.0

RAM: G.Skill Ripjaws X DDR3-2400 CAS 11  SSD: Samsung 850 EVO 500GB  HDD0: HGST Deskstar NAS 4TB 7200RPM

HDD1: Seagate 1TB 7200RPM  HDD2: WD Black 1TB 7200RPM  CASE: Phanteks Enthoo Pro  PSU: Antec Neo Eco 620C

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