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Can someone help me with GPU's and consumption ?

Post Date: 2021-01-21

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oxley View Drop Down
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  Quote oxley Quote  Post ReplyReply bullet Topic: Can someone help me with GPU's and consumption ?
    Posted: 21 Jan 2021 at 7:40pm
Hi,

looking for configuration advise on multiple GPU's
Have the config below with 1200w power supply, but as I will be calculating proteins (BOINC team) which is using GPU, I may use more GPUs (2-3) in a near future. What is the difference between RTX3080 and RTX3090 ? Does the 3090 has something like SLI so they are both connected with some bridge ?
Does it exist for cheaper 3080 ?
The calculations actually do not care of SLI, my current system has 3 different GPU mixed Nvidia cuda and AMD and all 3 were recognized. I only had to use doohickey to pretend the monitor is connected to all of them.
Will the 1200W be enough for 2-3 RTX3080 and the PC itself ?
And what MOBO do you recommend for the future card addition ? 3 or 4 PCIE ?
Thank you

And one more Q. is 3080 or 3090 in stock ?


Chassis Model: Digital Storm Velox
Exterior Finish: - Standard Factory Finish
Trim Accents: - Standard Factory Finish
Processor: AMD Ryzen 9 3900X (12-Core) 4.6 GHz Turbo
Motherboard: ASUS ROG Strix X570-E Gaming (Wi-Fi) (AMD X570 Chipset) (Up to 3x PCI-E Devices)
System Memory: 32GB DDR4 3200MHz Digital Storm Performance Series
Power Supply: 1200W Silverstone / EVGA / Thermaltake (Modular) (80 Plus Gold)
Expansion Bay: - No Thanks
Optical Drive: - No Thanks
Storage Set 1: 1x SSD M.2 (500GB Seagate FireCuda 520) (NVM Express) (Gen4 PCIe)
Storage Set 2: 1x SSD M.2 (1TB Samsung 970 EVO PLUS) (NVM Express)
Storage Set 3: - No Thanks
RAID Config: - No Thanks
RAID Card: - No Thanks
Internet Access: High Speed Network Port (Supports High-Speed Cable / DSL / Network Connections)
Graphics Card(s): 1x GeForce RTX 3080 10GB (Performance Edition) (VR Ready)
Sound Card: Integrated Motherboard Audio
Add On Card: - No Thanks
Extreme Cooling: H20: Stage 2: Digital Storm Vortex Liquid CPU Cooler (Dual Fan) (Fully Sealed + No Maintenance)
HydroLux Tubing Style: - Not Applicable, I do not have a custom HydroLux liquid cooling system selected
HydroLux Fluid Color: - Not Applicable, I do not have a custom HydroLux liquid cooling system selected
Cable Management: Premium Cable Management (Strategically Routed & Organized for Airflow)
Chassis Fans: Standard Factory Chassis Fans
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hoserator View Drop Down
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  Quote hoserator Quote  Post ReplyReply bullet Posted: 24 Jan 2021 at 2:08am
Hi,
Welcome to DS.

The 3090 is the only one that can be connected with sli (Nvme). The 3080 does not accept the bridge.
The power supply is more than ample IMO but I always go for more. As to mobo, others with more knowledge will reply better. I don't think you can fill all the Pcie slots with 3080s or 3090s since they are too big.
Being a user forum, we have no knowledge of parts availability at DS insofar as to 3080 or 3090 inventory.
Good luck.
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oxley View Drop Down
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  Quote oxley Quote  Post ReplyReply bullet Posted: 27 Jan 2021 at 7:20pm
thank you. I don't need SLI, it is for CUDA cpus used for BOINC and it works well with any cards having CUDA. SLI not required, but thank you a lot.
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Stellar View Drop Down
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  Quote Stellar Quote  Post ReplyReply bullet Posted: 28 Jan 2021 at 8:25am
If you're running dual 3080 or 3090, highly recommend going with 1600W power supply.
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