How to pronounce rdma

rdma is most commonly pronounced "ar dee em ay" (/ˌɑːr ˌdiː ˌɛm ˈeɪ/). This is the widely-used reading among engineers, though edge cases exist.

Initialism for Remote Direct Memory Access — read as four separate letters R-D-M-A (ar-dee-em-AY), not as a word. Backbone of multi-node GPU training (GPUDirect RDMA, RoCE, InfiniBand). Note the related RoCE is spoken "rocky", but RDMA itself stays letter-by-letter.

Source: Wikipedia — Remote direct memory access

Pronouncing project and product names correctly avoids the small but persistent friction of being gently corrected during standups, conference Q&As, and team calls. Hearing the word a few times locks in the right reading better than reading IPA ever will. Pronounce is a community-maintained dictionary — every entry tagged with a confidence level and (where possible) a citable source.