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Review: SanDisk Ultra 40MB/s 64GB SDXC UHS-I Memory Card - Camera Memory Speed Comparison & Performance tests for SD and CF cards
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SanDisk 64GB Ultra microSDXC UHS-I / Class 10 Memory Card with Adapter, Speed Up to 80MB/s (SDSQUNC-064G-GN6MA) - Newegg.com
SanDisk 64GB Ultra microSDXC UHS-1 Memory Card 2-Pack with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - Sam's Club
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Amazon.com: SanDisk 64GB Ultra MicroSDXC UHS-I Memory Card with Adapter - 100MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUAR-064G-GN6MA : Electronics
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SanDisk 64GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 120MB/s (SDSQUA4-064G-GN6MA) - Walmart.com
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