Videocardz - LEAK: NVIDIA GeForce RTX 3090 Ti gets Micron GDDR6X memory
 
“The GeForce RTX 3090 Ti is to feature 21 Gbps memory from Micron. The Taiwanese media outlet ‘Uniko’s Hardware’, which often shares information on unreleased products has now provided the exact code from Micron’s GDDR6X memory catalog. According to this information, a memory codenamed ‘MT61K512M32KPA-21U’ is to be used for RTX 3090 Ti. The code appears to confirm it will be a 21 Gbps bandwidth per module.
 
Apart from the speed, the card is also the first product to utilize 16Gb (2GB) modules based on GDDR6X technology. NVIDIA has thus far been unable to provide this 2GB GDDR6X memory variant to any of its products because such modules simply did not exist. This led the company to use GDDR6 memory on its workstation products that require high-capacity frame buffers and as many as 24 modules on its current flagship, the RTX 3090 non-Ti.
 
With the upcoming Ti model, NVIDIA will be able to limit the number of modules to 12, this should simplify the design of the card by not requiring an actively cooled backplate (the RTX 3090 has half of the modules located on the backside). However, the requirement of active back cooling may still prevail because the card will be a true power hog. According to the rumors, the RTX 3090 Ti is to have a default TDP of 450W, over 100W more than the non-Ti model.
 
NVIDIA RTX 3090 Ti is the first GeForce card to feature full GA102 GPU with 10752 CUDA cores. Thanks to the faster memory and 384-bit wide memory bus, the card will be able to cross 1 TB/s of bandwidth for the time in GeForce history.
 
The card is now expected to launch in January, following the launch of RTX 3080 12GB and RTX 3070 Ti 16GB.”
 
My thoughts:  If the leak is correct, then NVIDIA is going to have a 3090 Ti complete with more expensive VRAM and a higher TDP.  Be prepared for sticker shock and low availability.

I agree this will be a sticker shock for a product you won't be able to buy. 

If they launch in January and the release is shortly thereafter, be prepared for this site to get hammered.  With the demand versus availability, you know everyone who can will queue for this regardless of the price.
 
@Grey_Beard:  Not to date myself, but I remember you could purchase a very well equipped car in the early 70s for $4000.  Couldn't afford it at the time, so it was a $250 beater for me.

This is an easy $2k MSRP card. No way in hell this will be a $3K MSRP, that's double the starting MSRP of vanilla RTX 3090. Not even Nvidia would have the balls to double MSRP while only providing 256 more CUDA cores and 2 RT cores over the base 3090. 

Gonna need a bigger PSU