Aurora R10, changing to RTX 3090

I would recommend waiting until the new cards from AMD drop. I would not recommend purchasing a 3000 series card unless it comes at a steep discount.

Validated OEM video cards =

785PV Nvidia SLI bridge
M8HMD Nvidia/MSI RTX 3090, 24GB (VBIOS 94.02.59.00.D6 added Nvidia Resizable Bar support)
FKHR2 Nvidia/MSI RTX 3080 Ti (VBIOS 94.02.71.80.CF added Nvidia Resizable Bar support)
RNJV8 Nvidia/MSI RTX 3080 (VBIOS 94.02.71.80.C3 added Nvidia Resizable Bar support)
4Y12V Nvidia/MSI RTX 3080, 10GB, 1.71GHz
DD32D Nvidia/MSI RTX 3070 LHR (VBIOS 94.04.46.80.A2 added Nvidia Resizable Bar support)
KX61M Nvidia/MSI RTX 3070, 8GB, 1.73GHz
MTVG8 Nvidia/MSI RTX 3060 Ti LHR, 8GB (VBIOS 94.04.46.80.CF added Nvidia Resizable Bar support)
M49TT Nvidia/MSI RTX 3060 LHR, 12GB (VBIOS 94.06.25.40.13 added Nvidia Resizable Bar support)
86RMK Nvidia/MSI RTX 3060 Ti, 8GB, 1.67GHz
TRDVJ Nvidia/MSI RTX 2080 Ti, 11GB, HDMI 2.0b/DP 1.4/DP 1.4/DP 1.4/USB Type-C, 285W
WXFDY Nvidia/MSI RTX 2080 Super, 8GB, DP 1.4/DP 1.4/DP 1.4/USB Type-C, 250W
P2M5V Nvidia/MSI RTX 2070 Super, 8GB, DP 1.4/ DP 1.4/DP 1.4/HDMI 2.0, 215W
JK88G Nvidia/ECS RTX 2070, 8GB, DP1.4/DP 1.4/HDMI 2.0/DVI-D, 210W B SKU
C61YX Nvidia/MSI RTX 2060 Super, 6GB, DP 1.4/HDMI 2.0/DVI-D, 175W
6CTH3 Nvidia/MSI RTX 2060 SI, 6GB, DP 1.4/HDMI 2.0/DVI-D, 160W
DHRKF Nvidia/MSI RTX 2060 SI, 6GB, DP 1.4/HDMI 2.0/DVI-D, 160W
00C77 Nvidia/MSI GTX 1660 Ti, 6GB, DP 1.4/HDMI 2.0/DVI-D, 120W
7MKYT Nvidia/MSI GTX 1660 Super, 6G, DP 1.4/HDMI 2.0/DVI-D, 120W
DGP0H Nvidia/MSI GTX 1660, 6GB, DP 1.4/HDMI 2.0/DVI-D, 120W
4WY5P Nvidia/ECS GTX 1650 Super, 4GB, DP 1.4/HDMI 2.0/DVI-D, 100W
3NR1F Nvidia GTX 1650, 4GB, HDMI 2.0b/DVI-D, 75W

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@xPALEHORSEx wrote:

1. I wanted to experiment and try AMD and after a year I'm just not satisfied. I think I'm ready to switch back to Nvidia.

2. I want to get the 3090 but want to make sure I get the correct one.

Which one do I need that has the correct fit?

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1. Yeah, my last nice AMD card was a 5870. I still have some in old machines though.

2. A small one. Obviously, not too long, but also not too tall (so power-supply arm still closes). I think it would be easier to find a RTX-3080 that fits.

You still need appropriate power-supply and don't be surprised if it gets very hot under max utilization in that small case.

Don't they make a 3090 that will fit my system with the current configuration?

I see some for sale on ebay that came from my  PC, and when I had mine customized/built I could choose the Radeon RX 6800 XT or the Geforce 3090.

Regrettably I chose the Radeon.

A used Dell OEM Nvidia RTX-3090 should fit (if there is such a thing in the wild) because how else would they get it in there.

I didn't know you were considering used. I don't buy used video-cards any more (I had a couple of bad experiences). I also stopped buying sophisticated electronics like laptops and computer components on eBay because many sellers like to take their flakey (only 90% working) items and sell them to unsuspecting buyers. When you have a problem with item, they pretend like they didn't know. They are hoping most people will never find-out or not bother with the return. Either way, they get good money for their junk.

Aurora cases are relatively small (with barely adequate cooling). A Nvidia RTX-3090 is a large-card and runs-hot. The RTX-3080/3080ti is less so (and almost as fast) while also being more plentiful. 

The Aurora comes stock with various Power-Supplies. Not all the smaller ones with run all the "biggest" video-cards.

What about the GB difference between the 3080 and the 3090.

I would like to be able to record gameplay in 4k, I want to have flawless HD videos of the best quality along with beautiful gameplay.

What is your current RAM and CPU configuration? And also cooling solution.

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@xPALEHORSEx wrote:

 

I would like to be able to record gameplay in 4k, I want to have flawless HD videos of the best quality along with beautiful gameplay.

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Depending on the game, gaming at a nice fluid higher FPS can be tricky at 4K. I've never done it, but I'm guessing that recording that game-play in HD (1080p) or Ultra-HD (2160p) perfectly is even harder.