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PSU for 3080 a bit of conflicting info

MajorFoley

Hi guys i dunno if its just Guru 3d wrong or Nvidia is wrong or its a misunderstanding but im looking at grabbing a 3080 ASUS TUF OC. Accordingng to Guru 3d it should be fine with a 650w powers supplier, however Nvidia recommends a 750.  Going by that i would probably follow Nvidias advice but i was wondering if anyone is using it with a 650w power supply?

 

https://www.guru3d.com/articles_pages/asus_geforce_rtx_3080_tuf_gaming_review,6.html

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Nvidia always recommends more than you need.

 

Look at power consumption benchmarks from reviewers for a better idea

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CPU: R5 3600 || GPU: RTX 3070|| Memory: 32GB @ 3200 || Cooler: Scythe Big Shuriken || PSU: 650W EVGA GM || Case: NR200P

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Just now, Slottr said:

Nvidia always recommends more than you need.

 

Look at power consumption benchmarks from reviewers for a better idea

Right i should provided a link completely forgot, added it to initial post. I'm just wondering if i should go a little higher, havent done any manual overclocking yet on my 3700x 

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5 minutes ago, MajorFoley said:

Right i should provided a link completely forgot, added it to initial post. I'm just wondering if i should go a little higher, havent done any manual overclocking yet on my 3700x 

A stock 3700x should be fine, but if you plan on a more aggressively clocked chip or more cores down the road, I would go larger than 650.

Rig: i7 13700k - - Asus Z790-P Wifi - - RTX 4080 - - 4x16GB 6000MHz - - Samsung 990 Pro 2TB NVMe Boot + Main Programs - - Assorted SATA SSD's for Photo Work - - Corsair RM850x - - Sound BlasterX EA-5 - - Corsair XC8 JTC Edition - - Corsair GPU Full Cover GPU Block - - XT45 X-Flow 420 + UT60 280 rads - - EK XRES RGB PWM - - Fractal Define S2 - - Acer Predator X34 -- Logitech G502 - - Logitech G710+ - - Logitech Z5500 - - LTT Deskpad

 

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2 minutes ago, LIGISTX said:

A stock 3700x should be fine, but if you plan on a more aggressively clocked chip or more cores down the road, I would go larger than 650.

What about the standard boosting like XFR i dont plan on OCing for a while but considering a PSU lasts pretty long before you want to replace it... Because i plan on ordering one today and its either the corsair 650 or 650 Rmx Gold.

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1 hour ago, MajorFoley said:

What about the standard boosting like XFR i dont plan on OCing for a while but considering a PSU lasts pretty long before you want to replace it... Because i plan on ordering one today and its either the corsair 650 or 650 Rmx Gold.

Stock boosting is fine. And even light OCing on a 3700x is likely fine. The RM650x is a very good quality PSU, I wouldn't be worried about that PSU at all. I have a RM650i, and I did feel the need to upgrade to a RM850x for the 3080 I will eventually get, but that is to go with my 9900k which is OCed and my 3080 I will be OCing as well as I have a custom loop. And even with that, I bet my 650 would have been fine.

Rig: i7 13700k - - Asus Z790-P Wifi - - RTX 4080 - - 4x16GB 6000MHz - - Samsung 990 Pro 2TB NVMe Boot + Main Programs - - Assorted SATA SSD's for Photo Work - - Corsair RM850x - - Sound BlasterX EA-5 - - Corsair XC8 JTC Edition - - Corsair GPU Full Cover GPU Block - - XT45 X-Flow 420 + UT60 280 rads - - EK XRES RGB PWM - - Fractal Define S2 - - Acer Predator X34 -- Logitech G502 - - Logitech G710+ - - Logitech Z5500 - - LTT Deskpad

 

Headphones/amp/dac: Schiit Lyr 3 - - Fostex TR-X00 - - Sennheiser HD 6xx

 

Homelab/ Media Server: Proxmox VE host - - 512 NVMe Samsung 980 RAID Z1 for VM's/Proxmox boot - - Xeon e5 2660 V4- - Supermicro X10SRF-i - - 128 GB ECC 2133 - - 10x4 TB WD Red RAID Z2 - - Corsair 750D - - Corsair RM650i - - Dell H310 6Gbps SAS HBA - - Intel RES2SC240 SAS Expander - - TreuNAS + many other VM’s

 

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11 minutes ago, LIGISTX said:

Stock boosting is fine. And even light OCing on a 3700x is likely fine. The RM650x is a very good quality PSU, I wouldn't be worried about that PSU at all. I have a RM650i, and I did feel the need to upgrade to a RM850x for the 3080 I will eventually get, but that is to go with my 9900k which is OCed and my 3080 I will be OCing as well as I have a custom loop. And even with that, I bet my 650 would have been fine.

I'm currently on a 550 Rmx right now so yeah im just deciding if its worth spending the extra 30-40 AUD

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3 minutes ago, MajorFoley said:

I'm currently on a 550 Rmx right now so yeah im just deciding if its worth spending the extra 30-40 AUD

A 550 definitely isn't enough. What monitor resolution are you running? If you have a 3700x, and a 550 watt PSU, depending on resolution a 3070 may be a better option, and a RM550x would be fine for that IMO.

Rig: i7 13700k - - Asus Z790-P Wifi - - RTX 4080 - - 4x16GB 6000MHz - - Samsung 990 Pro 2TB NVMe Boot + Main Programs - - Assorted SATA SSD's for Photo Work - - Corsair RM850x - - Sound BlasterX EA-5 - - Corsair XC8 JTC Edition - - Corsair GPU Full Cover GPU Block - - XT45 X-Flow 420 + UT60 280 rads - - EK XRES RGB PWM - - Fractal Define S2 - - Acer Predator X34 -- Logitech G502 - - Logitech G710+ - - Logitech Z5500 - - LTT Deskpad

 

Headphones/amp/dac: Schiit Lyr 3 - - Fostex TR-X00 - - Sennheiser HD 6xx

 

Homelab/ Media Server: Proxmox VE host - - 512 NVMe Samsung 980 RAID Z1 for VM's/Proxmox boot - - Xeon e5 2660 V4- - Supermicro X10SRF-i - - 128 GB ECC 2133 - - 10x4 TB WD Red RAID Z2 - - Corsair 750D - - Corsair RM650i - - Dell H310 6Gbps SAS HBA - - Intel RES2SC240 SAS Expander - - TreuNAS + many other VM’s

 

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5 minutes ago, LIGISTX said:

A 550 definitely isn't enough. What monitor resolution are you running? If you have a 3700x, and a 550 watt PSU, depending on resolution a 3070 may be a better option, and a RM550x would be fine for that IMO.

I run 1080P its why im waiting for the 3070 before i commit to choosing that or a 3080 and if i choose a 3080 i need a new PSU. I kinda want a new PSU anyway because i've been having lock up issues on my main machine. Sent my motherboard for RMA for another reason (audio jacks) and its getting back to me in the next week. I've pretty much replaced every part but the motherboard and the PSU and my main GPU the 1070 works ok in this older machine hasnt locked up at all. A fresh windows 10 install didn't solve the issue either so im willing to believe its hardware somewhere.

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1 minute ago, MajorFoley said:

I run 1080P its why im waiting for the 3070 before i commit to choosing that or a 3080 and if i choose a 3080 i need a new PSU. I kinda want a new PSU anyway because i've been having lock up issues on my main machine. Sent my motherboard for RMA for another reason (audio jacks) and its getting back to me in the next week. I've pretty much replaced every part but the motherboard and the PSU and my main GPU the 1070 works ok in this older machine hasnt locked up at all. A fresh windows 10 install didn't solve the issue either so im willing to believe its hardware somewhere.

Very unlikely its the PSU, but I suppose anything is possible...

 

With 1080p.... don't get a 3080. Thats just a monumentous waste of money. Honestly, a 3070 is huge overkill. I would get a 3070, and look at 1440p high refresh adaptive refresh monitors. 

Rig: i7 13700k - - Asus Z790-P Wifi - - RTX 4080 - - 4x16GB 6000MHz - - Samsung 990 Pro 2TB NVMe Boot + Main Programs - - Assorted SATA SSD's for Photo Work - - Corsair RM850x - - Sound BlasterX EA-5 - - Corsair XC8 JTC Edition - - Corsair GPU Full Cover GPU Block - - XT45 X-Flow 420 + UT60 280 rads - - EK XRES RGB PWM - - Fractal Define S2 - - Acer Predator X34 -- Logitech G502 - - Logitech G710+ - - Logitech Z5500 - - LTT Deskpad

 

Headphones/amp/dac: Schiit Lyr 3 - - Fostex TR-X00 - - Sennheiser HD 6xx

 

Homelab/ Media Server: Proxmox VE host - - 512 NVMe Samsung 980 RAID Z1 for VM's/Proxmox boot - - Xeon e5 2660 V4- - Supermicro X10SRF-i - - 128 GB ECC 2133 - - 10x4 TB WD Red RAID Z2 - - Corsair 750D - - Corsair RM650i - - Dell H310 6Gbps SAS HBA - - Intel RES2SC240 SAS Expander - - TreuNAS + many other VM’s

 

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1 hour ago, LIGISTX said:

Very unlikely its the PSU, but I suppose anything is possible...

 

With 1080p.... don't get a 3080. Thats just a monumentous waste of money. Honestly, a 3070 is huge overkill. I would get a 3070, and look at 1440p high refresh adaptive refresh monitors. 

Already got one XB241H and im pretty happy with it at 144hz and g-sync. I also want to see what big navi can do but i also want new NVENC so choices are limited there. And its why im waiting. Doesn't help that scalpers are everywhere anyway :) Although you'd think a $1400 AUD price tag would deter some but hey.

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15 hours ago, MajorFoley said:

Already got one XB241H and im pretty happy with it at 144hz and g-sync. I also want to see what big navi can do but i also want new NVENC so choices are limited there. And its why im waiting. Doesn't help that scalpers are everywhere anyway :) Although you'd think a $1400 AUD price tag would deter some but hey.

I don't even know if a 3070 makes sense for 1080p.... You will be so far above the 144 hz refresh rate. I would almost just see what the 3060 has to offer, and if you want more get a 3070. 3070 should be a 2080 ti performance, and that is very excessive for 1080p.

Rig: i7 13700k - - Asus Z790-P Wifi - - RTX 4080 - - 4x16GB 6000MHz - - Samsung 990 Pro 2TB NVMe Boot + Main Programs - - Assorted SATA SSD's for Photo Work - - Corsair RM850x - - Sound BlasterX EA-5 - - Corsair XC8 JTC Edition - - Corsair GPU Full Cover GPU Block - - XT45 X-Flow 420 + UT60 280 rads - - EK XRES RGB PWM - - Fractal Define S2 - - Acer Predator X34 -- Logitech G502 - - Logitech G710+ - - Logitech Z5500 - - LTT Deskpad

 

Headphones/amp/dac: Schiit Lyr 3 - - Fostex TR-X00 - - Sennheiser HD 6xx

 

Homelab/ Media Server: Proxmox VE host - - 512 NVMe Samsung 980 RAID Z1 for VM's/Proxmox boot - - Xeon e5 2660 V4- - Supermicro X10SRF-i - - 128 GB ECC 2133 - - 10x4 TB WD Red RAID Z2 - - Corsair 750D - - Corsair RM650i - - Dell H310 6Gbps SAS HBA - - Intel RES2SC240 SAS Expander - - TreuNAS + many other VM’s

 

iPhone 14 Pro - 2018 MacBook Air

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18 hours ago, MajorFoley said:

Hi guys i dunno if its just Guru 3d wrong or Nvidia is wrong or its a misunderstanding but im looking at grabbing a 3080 ASUS TUF OC. Accordingng to Guru 3d it should be fine with a 650w powers supplier, however Nvidia recommends a 750.  Going by that i would probably follow Nvidias advice but i was wondering if anyone is using it with a 650w power supply?

 

Total watts on a psu is meaningless on its own, you could have a billion watt psu and it still wouldn't be enough because they only put a hundred watts on the 12v rail, ok this is a little far fetched, but true.

 

I have a 600w psu and a 750w psu from the same manufacturer, the 600w psu has more amps on the 12v rail, so it can supply more 12v current, which is what graphics cards want. This 600w psu is the one I will be using for my 3080.

 

Find an estimate for how many amps your pc will pull and then add the card to the total, take a look and see how many amps your psu can supply on the 12v rail, also factor in a little head room.

 

Keep in mind many psu's are poorly made and can't come close to supplying what they advertise.

 

So buy reputable psu with enough amps for the voltages you need, for big cpu's and gpu's this will be 12v.

 

 

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16 hours ago, LIGISTX said:

I don't even know if a 3070 makes sense for 1080p.... You will be so far above the 144 hz refresh rate. I would almost just see what the 3060 has to offer, and if you want more get a 3070. 3070 should be a 2080 ti performance, and that is very excessive for 1080p.

With my 1070 i wasn't, I do want to max out my settings for a good while and then if games don't I'm willing to lower settings bit by bit. My 1070 certainly didnt hit 144 constantly with a AAA title like BFV because im also usually watching something on a second monitor too (different refresh rates don't help the issue either despite windows 2004 update saying it helps)

15 hours ago, Shlouski said:

So buy reputable psu with enough amps for the voltages you need, for big cpu's and gpu's this will be 12v.

 

I'm probably going to get a corsair RM750X an upgrade from my RM550x. Unless you'd like to offer an alternative?

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40 minutes ago, MajorFoley said:

I'm probably going to get a corsair RM750X an upgrade from my RM550x. Unless you'd like to offer an alternative?

 

I would check out some reviews before buying, even reputable manufacturers can sometimes slip up.

 

https://www.techspot.com/products/power-supplies/corsair-rmx-series-rm750x-750w.124441/

https://www.jonnyguru.com/blog/2018/05/08/corsair-rm750x-2018-750w-power-supply/

 

 

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21 hours ago, LIGISTX said:

I don't even know if a 3070 makes sense for 1080p.... You will be so far above the 144 hz refresh rate. I would almost just see what the 3060 has to offer, and if you want more get a 3070. 3070 should be a 2080 ti performance, and that is very excessive for 1080p.

Bruh you’ve never had a 240hz monitor then. I had a 10850k I9 with graphics maxed on Cod, valorant, with a 2070 super and barely got much above 144hz maxed let alone 240. 3070 will be great for 240-360hz monitors 

CPU-AMD Ryzen 7 7800X3D GPU- RTX 4070 SUPER FE MOBO-ASUS ROG Strix B650E-E Gaming Wifi RAM-32gb G.Skill Trident Z5 Neo DDR5 6000cl30 STORAGE-2x1TB Seagate Firecuda 530 PCIE4 NVME PSU-Corsair RM1000x Shift COOLING-EK-AIO 360mm with 3x Lian Li P28 + 4 Lian Li TL120 (Intake) CASE-Phanteks NV5 MONITORS-ASUS ROG Strix XG27AQ 1440p 170hz+Gigabyte G24F 1080p 180hz PERIPHERALS-Lamzu Maya+ 4k Dongle+LGG Saturn Pro Mousepad+Nk65 Watermelon (Tangerine Switches)+Autonomous ErgoChair+ AUDIO-RODE NTH-100+Schiit Magni Heresy+Motu M2 Interface

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3 minutes ago, Ryan829 said:

Bruh you’ve never had a 240hz monitor then. I had a 10850k I9 with graphics maxed on Cod, valorant, with a 2070 super and barely got much above 144hz maxed let alone 240. 3070 will be great for 240-360hz monitors 

Yes... but OP has a 144 Hz monitor.........

 

Also, anything that high refresh is going to be 1080p. For 1080p, at refresh rate that high, his 3700x is going to be quite a large bottle neck. It will be a bottle neck that is relatively meaningless as the vast majority of people don't actually need 240 hz+ as they can't even perceive a difference anyways (this is why 144-165 is the sweet spot, its incredibly diminishing returns beyond that point), but if the OP WAS trying to get 240+, a 3700x isn't the answer anyways. But, seeing as OP only has a 144 Hz panel, this is meaningless.

 

Also, just for your own edification, for 240 Hz plus, I hope you got a good 10850k that can do 5.2-5.3 all core OC, it will make a difference at 1080p when trying to push that many FPS. Id also argue your RAM is on the slow side. For normal gaming, and normal needs, no CPU OC and 3200 RAM is fine, but if you are going to come in here and claim you need 240+, you need faster RAM and I hope that CPU is OCed. With that said, the likelihood you of "needing" that is low, so I wouldn't actually go buy different RAM. 3200 Mhz CL16 is likely costing you 2-3% performance vs a faster kit. 

Rig: i7 13700k - - Asus Z790-P Wifi - - RTX 4080 - - 4x16GB 6000MHz - - Samsung 990 Pro 2TB NVMe Boot + Main Programs - - Assorted SATA SSD's for Photo Work - - Corsair RM850x - - Sound BlasterX EA-5 - - Corsair XC8 JTC Edition - - Corsair GPU Full Cover GPU Block - - XT45 X-Flow 420 + UT60 280 rads - - EK XRES RGB PWM - - Fractal Define S2 - - Acer Predator X34 -- Logitech G502 - - Logitech G710+ - - Logitech Z5500 - - LTT Deskpad

 

Headphones/amp/dac: Schiit Lyr 3 - - Fostex TR-X00 - - Sennheiser HD 6xx

 

Homelab/ Media Server: Proxmox VE host - - 512 NVMe Samsung 980 RAID Z1 for VM's/Proxmox boot - - Xeon e5 2660 V4- - Supermicro X10SRF-i - - 128 GB ECC 2133 - - 10x4 TB WD Red RAID Z2 - - Corsair 750D - - Corsair RM650i - - Dell H310 6Gbps SAS HBA - - Intel RES2SC240 SAS Expander - - TreuNAS + many other VM’s

 

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2 minutes ago, LIGISTX said:

Yes... but OP has a 144 Hz monitor.........

 

Also, anything that high refresh is going to be 1080p. For 1080p, at refresh rate that high, his 3700x is going to be quite a large bottle neck. It will be a bottle neck that is relatively meaningless as the vast majority of people don't actually need 240 hz+ as they can't even perceive a difference anyways (this is why 144-165 is the sweet spot, its incredibly diminishing returns beyond that point), but if the OP WAS trying to get 240+, a 3700x isn't the answer anyways. But, seeing as OP only has a 144 Hz panel, this is meaningless.

 

Also, just for your own edification, for 240 Hz plus, I hope you got a good 10850k that can do 5.2-5.3 all core OC, it will make a difference at 1080p when trying to push that many FPS. Id also argue your RAM is on the slow side. For normal gaming, and normal needs, no CPU OC and 3200 RAM is fine, but if you are going to come in here and claim you need 240+, you need faster RAM and I hope that CPU is OCed. With that said, the likelihood you of "needing" that is low, so I wouldn't actually go buy different RAM. 3200 Mhz CL16 is likely costing you 2-3% performance vs a faster kit. 

I know I def need to upgrade my ram. Haven’t had time to properly OC my chip yet but I’m planning on getting some Noctua A12x25 fans to throw on my rad and already have some good paste to push the bad boy as far as it can go 

CPU-AMD Ryzen 7 7800X3D GPU- RTX 4070 SUPER FE MOBO-ASUS ROG Strix B650E-E Gaming Wifi RAM-32gb G.Skill Trident Z5 Neo DDR5 6000cl30 STORAGE-2x1TB Seagate Firecuda 530 PCIE4 NVME PSU-Corsair RM1000x Shift COOLING-EK-AIO 360mm with 3x Lian Li P28 + 4 Lian Li TL120 (Intake) CASE-Phanteks NV5 MONITORS-ASUS ROG Strix XG27AQ 1440p 170hz+Gigabyte G24F 1080p 180hz PERIPHERALS-Lamzu Maya+ 4k Dongle+LGG Saturn Pro Mousepad+Nk65 Watermelon (Tangerine Switches)+Autonomous ErgoChair+ AUDIO-RODE NTH-100+Schiit Magni Heresy+Motu M2 Interface

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9 minutes ago, Ryan829 said:

I know I def need to upgrade my ram. Haven’t had time to properly OC my chip yet but I’m planning on getting some Noctua A12x25 fans to throw on my rad and already have some good paste to push the bad boy as far as it can go 

Don't get A12's... Not pressure optimized. Also, in all honesty fans will likely not make a massive difference. OC it with whatever you have now, then see what temps are like. No reason to spend money on stuff if you don't need it. See what kind of silicon quality you have, then go from there.

Rig: i7 13700k - - Asus Z790-P Wifi - - RTX 4080 - - 4x16GB 6000MHz - - Samsung 990 Pro 2TB NVMe Boot + Main Programs - - Assorted SATA SSD's for Photo Work - - Corsair RM850x - - Sound BlasterX EA-5 - - Corsair XC8 JTC Edition - - Corsair GPU Full Cover GPU Block - - XT45 X-Flow 420 + UT60 280 rads - - EK XRES RGB PWM - - Fractal Define S2 - - Acer Predator X34 -- Logitech G502 - - Logitech G710+ - - Logitech Z5500 - - LTT Deskpad

 

Headphones/amp/dac: Schiit Lyr 3 - - Fostex TR-X00 - - Sennheiser HD 6xx

 

Homelab/ Media Server: Proxmox VE host - - 512 NVMe Samsung 980 RAID Z1 for VM's/Proxmox boot - - Xeon e5 2660 V4- - Supermicro X10SRF-i - - 128 GB ECC 2133 - - 10x4 TB WD Red RAID Z2 - - Corsair 750D - - Corsair RM650i - - Dell H310 6Gbps SAS HBA - - Intel RES2SC240 SAS Expander - - TreuNAS + many other VM’s

 

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6 minutes ago, LIGISTX said:

Don't get A12's... Not pressure optimized. Also, in all honesty fans will likely not make a massive difference. OC it with whatever you have now, then see what temps are like. No reason to spend money on stuff if you don't need it. See what kind of silicon quality you have, then go from there.

I have the EK 240 AIO. Stupid 360 sold out 😢😢

CPU-AMD Ryzen 7 7800X3D GPU- RTX 4070 SUPER FE MOBO-ASUS ROG Strix B650E-E Gaming Wifi RAM-32gb G.Skill Trident Z5 Neo DDR5 6000cl30 STORAGE-2x1TB Seagate Firecuda 530 PCIE4 NVME PSU-Corsair RM1000x Shift COOLING-EK-AIO 360mm with 3x Lian Li P28 + 4 Lian Li TL120 (Intake) CASE-Phanteks NV5 MONITORS-ASUS ROG Strix XG27AQ 1440p 170hz+Gigabyte G24F 1080p 180hz PERIPHERALS-Lamzu Maya+ 4k Dongle+LGG Saturn Pro Mousepad+Nk65 Watermelon (Tangerine Switches)+Autonomous ErgoChair+ AUDIO-RODE NTH-100+Schiit Magni Heresy+Motu M2 Interface

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3 minutes ago, Ryan829 said:

I have the EK 240 AIO. Stupid 360 sold out 😢😢

Just run it how it is for now. No reason to buy things you don't need. Either way, NF-F12's are what you want.

 

But OC it with the fans it has, it'll be fine. The quality of chip and TIM under the IHS will mater an order of magnitude more than your fans, so seeing what quality chip you have and what OC it can do at what voltage should be first on your list. Also..... you really don't need new RAM, its fine. 

Rig: i7 13700k - - Asus Z790-P Wifi - - RTX 4080 - - 4x16GB 6000MHz - - Samsung 990 Pro 2TB NVMe Boot + Main Programs - - Assorted SATA SSD's for Photo Work - - Corsair RM850x - - Sound BlasterX EA-5 - - Corsair XC8 JTC Edition - - Corsair GPU Full Cover GPU Block - - XT45 X-Flow 420 + UT60 280 rads - - EK XRES RGB PWM - - Fractal Define S2 - - Acer Predator X34 -- Logitech G502 - - Logitech G710+ - - Logitech Z5500 - - LTT Deskpad

 

Headphones/amp/dac: Schiit Lyr 3 - - Fostex TR-X00 - - Sennheiser HD 6xx

 

Homelab/ Media Server: Proxmox VE host - - 512 NVMe Samsung 980 RAID Z1 for VM's/Proxmox boot - - Xeon e5 2660 V4- - Supermicro X10SRF-i - - 128 GB ECC 2133 - - 10x4 TB WD Red RAID Z2 - - Corsair 750D - - Corsair RM650i - - Dell H310 6Gbps SAS HBA - - Intel RES2SC240 SAS Expander - - TreuNAS + many other VM’s

 

iPhone 14 Pro - 2018 MacBook Air

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keep in mind that power draw of a 3080 might average 320-350 watts, but there will be micro-spikes that last milliseconds (or less) that draw far more than that. High quality PSUs with quality components will often be able to handle more than the rated wattage for these short spikes, while cheap PSUs may not and result in crashes etc. Nvidia recommends more wattage than you really need for a good reason.

R9 3900XT | Tomahawk B550 | Ventus OC RTX 3090 | Photon 1050W | 32GB DDR4 | TUF GT501 Case | Vizio 4K 50'' HDR

 

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Actually is 165 overclocked but i dont use that little feature :)
I'm not upgrading the CPU anytime soon, at least not until motherboards start rolling out with DDR5 RAM which i assume is in the next couple of years but even then would wait for how expensive it could be

16 hours ago, Shlouski said:

Well RM750X still seems like a good choice, although I thought Guru stopped doing reviews?

Anyway I still would prefer to get a PSU now because my MB is coming back from RMA and I dont want to have to redo everything when i do choose a GPU. 3070 has been delayed which is annoying and then probably after reviews chances are bots will take em all again so its a choice between 650w and 750w and one of those 2 cards.

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If faced the same dilemma with my Asus 3080 TUF (non OC).

 

After some research, the total power draw was estimated at 550W, so I decided to roll the die and keep my RM650 gold PSU. After all I bought an overspecced unit to be fine with upgrades, so I went along with it. I do not overclock, nor I plan to. Had it been a lower quality or lower wattage PSU, I would have swapped it.

 

The risk with an underspecced PSU is instability because of noise on the power rails. You can mitigate by underclocking, but I wouldn't want to get to that point. Also consider that the PSU will see its life shortened the closer you run it to the rated power. 100W headroom is about the closest I would be comfortable with. A low quality PSU might die altogether and kill your system, which is why it is advised not to cheap out on the PSU. It happened to me on an older system with recycled parts. it was the Pentium 4 era.

 

The heaviest payload I run was 3D mark timespy (14400 points) and I played a good abount of games, so far no crashes. I can't overstate how good and smooth games look at 1440p 144Hz IPS panel with RTX3080 against my old 1080p 60Hz TN panel with GTX1070. Nvidia really came through this time with performance and price imo.

 

Long story short, If I had been doing a full build I would have definitely gotten a 850W gold+ unit to be safe for for future upgrades but I would be fine with a 650W gold+ PSU on a 3080 stock. Depending on your situation you might be able to overclock, but I would ask other for advice in that case. I would grab a better PSU if overclock was the plan.

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You never want to be right at the limit I try to keep 20% overhead.

 

Base 3080 -550w * 1.2 = 660 W - Your fine with a 650W

Overclocked card 600W * 1.2 = 720W - I'd get a 750W minimum.

 

Always quality PSU no matter the wattage.  When my Seasonic died I dropped from 850W to 750W if I knew about Ampere I probably would have stuck to 850W but it is completely fine.  I'm actually tweaking power usage down on my FTW3 unless I'm benching.  I'm probably back inline with a base 3080 right now for power usage and performance.

 

 

 

AMD 7950x / Asus Strix B650E / 64GB @ 6000c30 / 2TB Samsung 980 Pro Heatsink 4.0x4 / 7.68TB Samsung PM9A3 / 3.84TB Samsung PM983 / 44TB Synology 1522+ / MSI Gaming Trio 4090 / EVGA G6 1000w /Thermaltake View71 / LG C1 48in OLED

Custom water loop EK Vector AM4, D5 pump, Coolstream 420 radiator

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