Prior to the launch of the RTX 30 series, Micron and Nvidia worked closely on GDDR6X memory to bring a speed boost to Nvidia's graphics cards. Now, Micron has begun production of faster GDDR6X modules, seemingly in preparation for next-gen Nvidia graphics cards.
In an update to its website (via Videocardz), Micron revealed that 24Gbps GDDR6X memory is now in production, bringing a speed bump over the 21Gbps GDDR6X memory found on current-generation graphics cards. This news comes just a couple of months before the expected launch window for Nvidia's next-gen GPUs. Currently, the RTX 4090, RTX 4080 and RTX 4070 graphics cards are expected in Q4.
Previously, only Nvidia has used Micron's X-series memory. This was the case with GDDR5X and has been the case so far with GDDR6X. With that in mind, it is likely that Micron is producing these faster GDDR6X modules for new Nvidia graphics cards.
Nvidia has not yet made any official announcements for its next generation of GeForce graphics cards.
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KitGuru Says: This is a pretty good sign that Nvidia is producing new graphics cards. Whether or not 24Gbps GDDR6X memory will be used on the first batch of new GPUs, or if it'll be reserved for a high-end Ti or Titan series GPU, still remains to be seen.