Amazon.com: SanDisk 128GB SDXC SD Extreme Pro Memory Card UHS-II Works with Sony Alpha a7 III, a7r III, a9 Mirrorless Camera 300MB/s 4K V30 (SDSDXPK- 128G-ANCIN) Plus 1 Everything But Stromboli TM 3.0
SanDisk Extreme Pro 300MB/s UHS-II 128GB SDXC Memory Card review and bechmark test - Camera Memory Speed Comparison & Performance tests for SD and CF cards