We’re not saying the guy who invented the micro SD card is a hero, but he’s pretty close. These tiny cards add huge amounts of storage to a wide range of devices from smartphones and tablets to action cams and drone quadcopters. MicroSDXC cards can get pretty pricey though, so we do our best to tell you when Amazon sales offer good prices on high-capacity cards.

Today, we’ve got two great sales to tell you about. The first offers a huge 128GB micro SDXC card from SanDisk for $54 shipped, which is 64% off list, and the second will let you snag a 64GB Kingston micro SDXC card for just $19 with free Prime shipping. These are both limited-time sales though, so make sure you hurry.

SanDisk Ultra 128GB microSDXC UHS-I Card with Adapter, $53.99 with free Prime shipping

Kingston Digital 64 GB microSD Class 10 UHS-1 Memory Card 30MB/s with Adapter, $18.99 with free Prime shipping

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