Yes, the GoPro Hero12 Black is compatible with the Kingston Canvas Go! Plus microSDXC 128GB.
GoPro HERO12 Black has a microSD-only card slot. This card fits directly, no adapter needed. GoPro's own spec page requires "class A2 V30 or higher". Kingston Canvas Go! Plus microSDXC 128GB is V30 AND A2 class (both ratings confirmed via Kingston's own product page: "Class 10, UHS-I, U3, V30, A2" -- already captured in this card's specs_provenance, cross-checked 2026-09-02). Meets GoPro's stated requirement in full, not just the V30 half. (Peak write 90 MB/s is not evidence of sustained performance; the V30 class rating above decides that half.)
“Standard/Class Class 10, UHS-I, U3, V30, A2”
“Memory Storage microSD 1x microSD™ rated class A2 V30 or higher”
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