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Best Buy: Sony 64GB MicroSDXC Class 10 Memory Card SR64UXA/TQN
Amazon.com: SanDisk MicroSDXC Extreme 512GB SD Card Works with Sony Xperia 10 III, Xperia PRO-I, Xperia 1 III Smartphone (SDSQXA1-512G-GN6MN) Bundle with (1) Everything But Stromboli MicroSD Memory Card Reader : Electronics
Amazon.com: Sony 128GB Class 10 UHS-1/U3 SDXC up to 94MB/s Memory Card (SFG1UX2/TQ)[NEWEST VERSION]
Amazon.com: SanDisk Extreme Pro 512GB Micro SDXC Memory Card Works with Sony Cyber-Shot DSC-HX99, DSC-RX0 II Compact Camera (SDSQXCZ-512G-GN6MA) Bundle with (1) Everything But Stromboli MicroSD Card Reader : Electronics
The Walkman Blog: You will definitely need a microSD for the new A-Series Walkman
Amazon.com: Sony 64GB Micro SDXC Class 10 UHS-1 Memory Card (SR64UY2A/TQ) : Electronics
Sony ICD-UX570 Digital Voice Recorder & SanDisk 64GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-064G-GN6MA | Amazon price tracker /
Piusho 128G Basics microSDXC Memory Card C10 U3 Memory Card for Phone/Camera/PSP High Speed Full HD Video Canon Nikon Sony Pentax Kodak Olympus Panasonic Digital Camera - Walmart.com