SanDisk 1TB Ultra microSDXC UHS-I... https://www.amazon.com/dp/B08HCPTMJG?ref=ppx_pop_mob_ap_share
Completely false. Here's a legit SanDisk 1TB https://www.amazon.com/gp/product/B08HCPTMJG/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Deal of the day for Prime Members: SanDisk 1TB Ultra MicroSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-1T00-GN6MA https://www.amazon.com/dp/B08HCPTMJG/ref=cm_sw_r_cp_api_glt_fabc_R89PGMV8QQJREPBVKEZE
Deal of the day for Prime Members: SanDisk 1TB Ultra MicroSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-1T00-GN6MA https://www.amazon.com/dp/B08HCPTMJG/ref=cm_sw_r_cp_api_glt_fabc_R89PGMV8QQJREPBVKEZE
I have this card, which is A1 and honestly I haven't had trouble emulating anything from NES to Switch. I don't think you need an A2 for emulation, tbh.
SanDisk 1TB Ultra microSDXC UHS-I... https://www.amazon.com/dp/B08HCPTMJG?ref=ppx_pop_mob_ap_share
SanDisk 1TB Ultra microSDXC UHS-I... https://www.amazon.com/dp/B08HCPTMJG?ref=ppx_pop_mob_ap_share
Switch just supports the microSDXC format in general, so any legit 1TB cards out there officially work. EDIT: FWIW, I use this one.