The Russian Youtuber мой копьютер (MKA) dismantled and tested a Nvidia Geforce RTX 4090 with 48 GB of memory. He had access to a Chinese Blower version, that is, A plate that is not among the official SKUS of NVIDIA.
And even though the nationality is known, The origin of the plate used by YouTube is uncertain. And reports of scams involving the removal of GPUS AD102 from functional plates that are sold later without GPUs for unsuspecting gamers are emerged.
These discussions on the subject are frequent in Reddit, where users point out that it is a difficult scam method to detect. Even with a more detailed inspection, It is only possible to confirm the presence of the GPU when removing the cooler.
Like this, The scam is operated by specialized companies that remove the AD102 GPUS and install them on custom PCBs. Often the origin of PCBs are other plates in the RTX Ada series, which support double memory.3
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On the plate
YouTuber shared the first analysis of the sign he received and, it seems, would have received others. Although technically the best RTX 40 plate with Nvidia Ada chip is not recommended for gamers due to extreme noise. The model reaches 65 dB in tests such as Unigine SuperPosition, while comfortable levels are between 30-40 dB.
The plate features a 2.7 GHz Clock Boost and consumes 425W, being derived from the RTX 4090D model. Temperatures reach 70.7 ° C, with an 86 ° C hotspot.
Youtuber has also performed additional tests such as AI inference benchmarks, which may be interesting for certain users. At least so far, the availability of these plates is restricted to the Chinese market and can be better to continue like this.
Russia suffers from strong sanctions after the start of the Ukraine war in February 2022. And China is among the countries that have had business relations with the country, which explains how YouTuber had access to the Chinese plate.
Modifications and controversy
The modifications present in the model appear to be a way to circumvent US export restrictions to high performance GPUs. And although it is fascinating to see such advanced modifications, mass production and such existing RTX plates exploration for profit are practices that several users question.
For its part, Nvidia could solve this by implementing more complex methods to prevent memory changes. The problem is not in the various memory suppliers supported by the plates, vulnerability is supported by different capacities. And this is exactly the point explored by these modifications.
Fonte: My computer E Videocardz.
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Source: https://www.adrenaline.com.br/nvidia/youtuber-usso-desmonta-e-testa-nvidia-geforce-rtx-4090-com-48-gb-de-memoria/
