is 1200 PSU for 3 GPUs + components ok?

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pegot
Licensed Customer
Posts: 934
Joined: Mon Nov 07, 2011 3:44 am

My PSU is a 1200 watt EVGA Supernova P2. I will be using the following components and water cooling systems:

EK A240 G CPU & GPU cooling system (Aluminum)
https://www.ekfluidgaming.com/ek-kit-a240g

1080 ti SC - using EK Water block
1080 ti SC2 Hybrid
GTX 780 6GB (with reference blower)

Samsung NVMe 960 EVO m2
Samsung 850 Pro SSD


I might also add another three SSD’s in RAID 0 and two HDD for storage.

Will my 1200 watt PSU be enough to power everything safely?

I already spent a boat load of cash on my system and would really love to use my existing PSU and avoid having to purchase a new one. But if it is not powerful enough for the three cards I would just use two of the 1080 ti’s for now.
Win 10
3.7Ghz i9 10900k / 64GB
ASUS STRIX Z490-E
PSU: PowerSpec 850Wd
RTX 3090 Asus Tuff

Network rendering:
Win 10
4.2Ghz i7 7700k / 64GB
AsRock SuperCarrier
PSU: EVGA 1200w
RTX 3080 Ti EVGA Hybrid
RTX 3080 ASUS Tuff
GTX 1080ti SC Black (wc)
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promity
Licensed Customer
Posts: 363
Joined: Sun Dec 19, 2010 7:59 am
Location: Russia

On my 1200 power supply hangs two processors on 12 cores each + 2*980 ti + k620 + 4 hdd.
AMD Threadripper 1950X/64gb ram/RTX 3080 Ti + RTX 2070/Samsung SSD 870 EVO 500 gb/
Lightwave 3d
pegot
Licensed Customer
Posts: 934
Joined: Mon Nov 07, 2011 3:44 am

Good to know promity. That puts my mind at ease, thanks.
Win 10
3.7Ghz i9 10900k / 64GB
ASUS STRIX Z490-E
PSU: PowerSpec 850Wd
RTX 3090 Asus Tuff

Network rendering:
Win 10
4.2Ghz i7 7700k / 64GB
AsRock SuperCarrier
PSU: EVGA 1200w
RTX 3080 Ti EVGA Hybrid
RTX 3080 ASUS Tuff
GTX 1080ti SC Black (wc)
User avatar
glimpse
Licensed Customer
Posts: 3740
Joined: Wed Jan 26, 2011 2:17 pm
Contact:

easily =) 7x 1080tis in x99 use around 1400W, while 3x GPUs + system is about half of that =)
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