Amazon has the SanDisk Ultra 200GB UHS-I A1 MicroSDXC Flash Card (SDSQUAR-200G-GN6MA) for $25 with free shipping. List price: $49. Transfer speeds of up to 100MB/s (5), rated A1 for faster app performance3 and UHS Speed Class U1 and Speed Class 10 for Full HD video recording and playback1.

Has excellent Amazon Reviews.

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Amazon has the Sandisk Ultra 200GB Micro SDXC UHS-I Card with Adapter (SDSQUAR-200G-GN6MA) for $25 with free shipping. Ideal for Android-based smartphones and tablets, transfer speeds of up to 100MB/s. Has excellent Amazon Reviews.

Also available in 400GB (SDSQUAR-400G-GN6MA) for $66, 256GB (SDSQUAR-256G-GN6MA) for $38, 128GB (SDSQUAR-128G-GN6MA) for $20, 64GB (SDSQUAR-064G-GN6MA) for $12, and 32GB (SDSQUAR-032G-GN6MA) for $7.39.

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Amazon has the SanDisk Extreme 128GB microSDXC UHS-I / U3 A2 Memory Card (SDSQXA1-128G-GN6MA) for $26 with free shipping. List price: $69. It features read speeds up to 160MB/s and write speeds up to 90MB/s.

Has good Amazon Reviews.

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Amazon has the Kingston A400 240GB 2.5" Solid State Drive (SA400S37/240G) for $30 with free shipping. Features fast start-up, loading and file transfers, more reliable and durable than a hard drive, multiple capacities with space for applications or a hard drive replacement. Walmart sells it for $30 with free in-store pickup or $5.99 for shipping.

Has excellent Amazon Reviews.

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Walmart has the SanDisk 128GB Ultra Plus Class 10 microSDXC Memory Card for $20 with free in-store pickup or $5.99 for shipping. Includes an SDHC/SDXC adapter and features read speeds of up to 80MB/s.

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Amazon has the 256GB Samsung EVO Select U3 microSD Memory Card w/ Adapter (MB-ME256GA/AM) for $40 with free shipping. List price: $55. Up to 100MB/s & 90MB/s read & write speeds respectively; Class 10 UHS-1. Has excellent Amazon Reviews.

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Amazon has the Corsair Survivor Stealth 64GB USB 3.0 Flash Drivee (Gray; CMFSS3B-64GB) for $20 with free shipping on $25+ or with Prime. It features an anodized aircraft-grade aluminum housing, waterproof to 200 meters, vibration-resistant, and shock-resistant.

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