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Need PCIE 4.0 Riser Card/Bracket for RTX 3090 in 011D XL

Just ordered Optimus waterblock for my EVGA RTX 3090 FTW3 Ultra GPU, and although I haven't seen dimensions listed based on how thick the acrylic on this waterblock is I am skeptical as to whether it will fit in the 011 Dynamic XL horizontally without having to remove the glass. It may not fit vertically either but I think the chance is better, plus it looks better.

 

But this card is 11 inches long and will be quite heavy with this waterblock so I expect most riser brackets will sag. I've googled this and looked at some different products but not really found anything I think will work well.

 

Any suggestions on a PCIE 4.0 riser bracket and cable for a BFGPU with a BFWB? 

 

My PC specs, minus peripherals and watercooling stuff

 

PCPartPicker Part List

CPU: AMD Threadripper 3970X 3.7 GHz 32-Core Processor  ($1999.00 @ Amazon) 
CPU Cooler: Noctua NH-U14S TR4-SP3 82.52 CFM CPU Cooler  ($79.90 @ Amazon) 
Motherboard: Asus ROG ZENITH II EXTREME ALPHA EATX sTRX4 Motherboard  ($840.99 @ Amazon) 
Memory: G.Skill Trident Z Neo 256 GB (8 x 32 GB) DDR4-3600 CL18 Memory  ($1149.99 @ Newegg) 
Storage: Sabrent Rocket 4.0 2 TB M.2-2280 NVME Solid State Drive  ($399.97 @ Amazon) 
Video Card: EVGA GeForce RTX 3090 24 GB FTW3 ULTRA GAMING Video Card 
Case: Lian Li O11D XL-W ATX Full Tower Case  ($289.99 @ Amazon) 
Power Supply: Phanteks Revolt Pro 850 W 80+ Gold Certified Fully Modular ATX Power Supply  ($129.99 @ Newegg) 
Operating System: Microsoft Windows 10 Pro OEM 64-bit  ($139.88 @ Other World Computing) 
Case Fan: ARCTIC P12 PST CO 56.3 CFM 120 mm Fan  ($12.99 @ Amazon) 
Total: $5042.70
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2020-10-20 06:38 EDT-0400

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A: There are no PCIE gen 4 risers yet.

 

B: They're not necessary. Gen 3 works just fine and you don't even saturated the Gen 3 bandwidth with a Gen 4 card.

 

Source for the above info:

 

 

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Just now, Skiiwee29 said:

A: There are no PCIE gen 4 risers yet.

 

B: They're not necessary. Gen 3 works just fine and you don't even saturated the Gen 3 bandwidth with a Gen 4 card.

Are you sure? I searched on Amazon and found a few that claimed to be PCIE 4.0 anyway...e.g. this one

 

https://www.amazon.com/LINKUP-RX5700XT-Vertical-Straight-Compatible/dp/B0898S49H4/ref=sr_1_3?dchild=1&keywords=pcie+4.0+riser+card&qid=1603189885&s=electronics&sr=1-3

 

Also Optimus JUST listed the specs of the waterblock, and the 011DXL has 169mm height clearance horizontally so it should actually fit horizontally, but I'd still prefer to do vertically if possible.... The block weighs 5 freaking pounds though.

 

MAIN BLOCK: height: 123mm (flush with edges of pcb), width: 287.5mm

BLOCK THICKNESS: 24mm (from PCB)

TERMINAL: 25.5mm high

BACKPLATE: 5.3mm (sticks out 7.6mm w/ thermal pad)

WEIGHT: 5lbs

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4 minutes ago, Shai Hulud said:

Are you sure? I searched on Amazon and found a few that claimed to be PCIE 4.0 anyway...e.g. this one

 

https://www.amazon.com/LINKUP-RX5700XT-Vertical-Straight-Compatible/dp/B0898S49H4/ref=sr_1_3?dchild=1&keywords=pcie+4.0+riser+card&qid=1603189885&s=electronics&sr=1-3

 

Also Optimus JUST listed the specs of the waterblock, and the 011DXL has 169mm height clearance horizontally so it should actually fit horizontally, but I'd still prefer to do vertically if possible.... The block weighs 5 freaking pounds though.

 

MAIN BLOCK: height: 123mm (flush with edges of pcb), width: 287.5mm

BLOCK THICKNESS: 24mm (from PCB)

TERMINAL: 25.5mm high

BACKPLATE: 5.3mm (sticks out 7.6mm w/ thermal pad)

WEIGHT: 5lbs

yes im sure on the Gen 3 vs Gen 4. 

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Ryzen 7 3700x | Asus Crosshair VIII Hero (Wi-Fi) | EVGA RTX 2080ti | Ballistix 32gb 16-18-16-36 3600mhz | Custom Water Cooling Loop | 1tb Samsung 970 Evo

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Hmm...seems like I'm better horizontally mounting it then? Or it really makes no difference if it's PCIE3?

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42 minutes ago, Shai Hulud said:

Hmm...seems like I'm better horizontally mounting it then? Or it really makes no difference if it's PCIE3?

It does not make any difference at all. A pcie 3.0 x16 slot is not fully saturated at all by a 3090.

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42 minutes ago, Shai Hulud said:

Hmm...seems like I'm better horizontally mounting it then? Or it really makes no difference if it's PCIE3?

you can use a Gen 3 riser for vertical mounting with no issues. The RTX 3000 series are Gen 4 GPUs, but all the running in SLI that Jayztwocents, GamersNexus, and Paulshardware have done have been with there cards on Gen 3 risers. It makes ZERO difference to card performance. 

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Please make sure to Quote me or Tag me to see your reply!

 

"White Ice"

Ryzen 7 3700x | Asus Crosshair VIII Hero (Wi-Fi) | EVGA RTX 2080ti | Ballistix 32gb 16-18-16-36 3600mhz | Custom Water Cooling Loop | 1tb Samsung 970 Evo

2tb Crucial MX500 SSD | 2x 3tb Seagate Drive | Fractal Design Meshify S2 |  EVGA G2 750w PSU | 3x Corsair LL140 | 3x Corsair LL120

 

Dedicated Streaming Rig

 Ryzen 7 1800x | Asus B450-F Strix | 32gb Gskill Flare X 3000mhz | Corsair RM550x | EVGA GTX 1060 3gb | 250gb 860 Evo m.2

Phanteks Enthoo Evolv |  Elgato HD60 Pro | Elgato 4k60 Pro mk.2 | Avermedia 4k GC573 Capture Card

 

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