PNY has launched a new version of its 48GB NVIDIA Quadro RTX 8000 graphics card. This one, however, lacks a fan of any kind. Nevertheless, the OEM asserts that it is still capable of a memory bandwidth of 624 gigabytes per second (GB/s) and 14.9 TFLOPS of FP32 performance.
https://www.notebookcheck.net/PNY-releases-a-passively-cooled-version-of-its-Quadro-RTX-8000-card.451198.0.html