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SanDisk

SanDisk MICROSD-ADAPTER MicroSD to SD Memory Card Adapter

★★★★★4.7 (8043 reviews)

SanDisk MicroSD to SD adapter with write protection switch for using MicroSD cards in full-size SD slots.

$4.99*$5.25Save 4%
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*Price sourced from Amazon.com. Last updated:Jun 08, 2026.Price and availability are subject to change.

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Overview

The SanDisk MicroSD to SD Memory Card Adapter is a compact accessory that allows any MicroSD, MicroSDHC, or MicroSDXC card to be used in devices equipped with a standard full-size Secure Digital card slot. This is particularly useful for photographers, videographers, and general users who want to transfer files from a MicroSD card to a laptop, desktop card reader, or camera that only accepts full-size SD cards — all without needing a separate USB card reader.

The adapter features a built-in write protection switch on its side, which can be locked to prevent any data from being written to or erased from the inserted card. As a passive electrical adapter, it introduces no speed penalty and allows the MicroSD card to operate at its full rated transfer speed. The black SanDisk-branded adapter is slim and lightweight, sliding easily into any standard SD slot. While it serves a simple purpose, it is an essential accessory for anyone who regularly moves MicroSD cards between devices with different slot sizes.

Key Features

Micro SD to SD card adapter

Built-in write protection switch

For use in devices with a standard secure Digital slot

SanDisk Micro SD to SD Memory Card adapter

Micro SD card is for picture representational purposes only

Specifications

Type
MicroSD to SD Card Adapter
Brand
SanDisk
Write Protection
Built-in Lock Switch
Compatibility
Standard Secure Digital (SD) Slot Devices
Color
Black

Pros & Cons

👍 Pros

  • Lets you use a single MicroSD card across devices with both MicroSD and full-size SD slots.
  • Built-in write protection switch safeguards data from accidental deletion or overwriting.
  • Passive adapter design does not throttle the MicroSD card's native transfer speeds.
  • Compact and lightweight, easy to store in a wallet or camera bag.

👎 Cons

  • Only converts MicroSD to SD format — does not work with other card types like CompactFlash or CFexpress.
  • Small size makes it easy to misplace when not inserted in a device.
  • Adapter adds slight physical length beyond a standard SD card, which may protrude from some flush-mount slots.
  • Write protection switch can be accidentally toggled in a bag, causing unexpected read-only errors.

Frequently Asked Questions

The adapter accepts standard MicroSD, MicroSDHC, and MicroSDXC cards, working with whatever capacity your device's SD slot supports.
Sliding the lock switch prevents any data from being written to or deleted from the MicroSD card, protecting your files from accidental modification.
The adapter is a passive electrical pass-through and does not limit or reduce the transfer speeds of the inserted MicroSD card.
Yes, you can keep the MicroSD card inserted in the adapter and use it as a standard full-size SD card in any compatible device.

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