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January 28th, 2023 18:00
Aurora R15, about to purchase, will the 750W PSU be enough?
I’m about to buy an Aurora R15 (i7-1300KF, 32GB 5200 RAM, 2TB M.2 SSD, 2TB 7200 HDD for storage, Nvidia 3090 24GB RAM). I’m worried I’ll trip circuit breakers in my older apartment building with the 1350 PSU. Would I be fine with the 750W Cryo-tech option?
If so, would I be able to upgrade to a Nvidia 4080 in a few years if I go with the 750W PSU?
Thanks for any advice!
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Tesla1856
8 Wizard
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17.1K Posts
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January 28th, 2023 18:00
You would get the 1350w PS.
Power-Supplies only draw what power the components need. If you run out of power, the computer will just turn-off itself (that's bad). When a 1350w PS is only drawing 800w or 1000w ... it will run cooler than a small one.
A 2tb M.2-NVMe SSD is good (as C-Drive). I suggest you pass on the 2tb 7200rpm spinning-platter HDD, and get a 2tb SSD (as D-Drive) instead ... another M.2-NVMe SSD or at least a 2.5inch-SATA-3/600 SSD. There is no good reason to put a old-school HDD inside a nice machine like that now-days.
WCunningham1
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January 28th, 2023 18:00
Unfortunately, they don’t offer a 1000w psu. If I go with the 1350w, I’m assuming it would probably still run at around 700 when under stress. Is that correct? I believe I have 15 amp circuits in my apartment building, but they run more like 10 or 12 (crappy electrical system here). I just want to avoid overloading anything.
redxps630
9 Legend
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14.8K Posts
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January 28th, 2023 18:00
i7-13700kf and rtx 4080 recommended psu is 698 w using basic psu calculator so 750w is okay. but in case in the future you want a 4090, then you should get a 1000w psu. you do not need the 1350 w for 4090.
WCunningham1
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January 28th, 2023 18:00
Thanks, I’ll go with the 1350 then and keep my fingers crossed….or move to a new apartment. :).
and I’ll definitely rethink the extra HDD!
F34R
2 Intern
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436 Posts
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January 28th, 2023 19:00
Another consideration you need to think about is will the PSU for the pc with a 3090 have the connections needed for a later upgrade to a 4000 series. Also have to consider if a off the shelf 4000 series will even fit in the R15 case.
Vanadiel
6 Professor
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6.9K Posts
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January 29th, 2023 09:00
Don't purchase one of these systems with the idea to upgrade it later. These are OEM systems with limited support for aftermarket components, and Dell does not really sell upgrades for these systems.
Your best option is to purchase it based on what your needs are, and look in the future what your limited options are.
redxps630
9 Legend
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14.8K Posts
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January 29th, 2023 10:00
just checked online R15 order in US:
Want RTX 3090, only 750w and only DS chassis w solid panel, no clear view side panel, no cryotech liquid cooler, no 5200XMP.
well makes some sense. If you got a solid side panel, why would you need the bling of cryotech?
(Dark Side of the Moon 750W PSU, Liquid-Cooled CPU & Solid Side Panel)
Want RTX 4080, 750/1350w and DS/LL chassis
Dell reserves high end or more attractive spec for customer who buy 4000 series gpu. It is like BJ inner circle membership.
PS talking to sales directly might get around some ordering restrictions.
WCunningham1
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January 29th, 2023 10:00
I was under the impression that the cryo tech option was actually slightly better cooling than the non cryo tech, and not just RGB lighting.
From their site:
The Cryo-Tech cooler uses a slightly thicker radiator for additional heat dissipation and adds addressable RGB lighting
mako64
2 Intern
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676 Posts
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January 29th, 2023 11:00
If you must go with an Alienware system from experience go big if possible.
WCunningham1
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February 24th, 2023 04:00
One more question for folks with more electrical engineering knowledge then myself (which equates to "any" considering my lack thereof ). If I plug this system with a 1350w power supply into a UPS rated at 1500Va/1000w, will that cause any issues? Sounds like the power supply will only draw what it needs, so I doubt it would go over that 1000w at any point. But I wanted to make sure this is an acceptable ups solution. I have a Cyber Power CP1500PFCLC UPS.
WCunningham1
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March 25th, 2023 05:00
Just in case anyone has any of the questions I posted above:
I did go with the 1350 psu and no problems so far. My 1500va/1000w ups shows watt consumption on this system (i7 13th gen and 4080 gpu) at about 50 to 100w idle, and the max I've seen in game is around 500w. There's no power spike when turning on the system, so the ups works great with it.