SanDisk 128GB X2 MicroSD Ultra Memory Card

Name: SanDisk 128GB X2 MicroSD Ultra Memory Card
Brand: SanDisk
SKU: 128GB X2

Overview

The SanDisk 128GB X2 MicroSD Ultra Memory Card bundle pairs two 128GB microSDHC UHS-1 cards for a combined 256GB of portable storage. Each card delivers read speeds up to 120 MB/s, enabling quick transfers of photos, videos, and app data between your device and computer. The Class 10 speed rating guarantees a minimum sustained write speed suitable for Full HD video recording, general photography, and app storage expansion on compatible smartphones.

Built with SanDisk's waterproof durability, these cards are designed to withstand accidental exposure to water, adding a layer of protection for data stored on devices used outdoors or in unpredictable conditions. The two-card format gives users flexibility — keep one in your phone and one as a backup, or use both across separate devices. For everyday smartphone storage needs including photos, music libraries, downloaded media, and app offloading, this bundle provides a cost-effective way to add substantial capacity from one of the most established names in flash memory.

Specifications

Brand

SanDisk

Capacity

128GB x 2 (256GB Total)

Card Type

MicroSD HC Ultra UHS-1

Read Speed

Up to 120 MB/s

Write Speed

40x

Speed Class

Class 10

Hardware Interface

MicroSD / MicroSDHC

Special Feature

Waterproof

Compatible Devices

Smartphones

Similar Products

Other products from the same family that visitors often consider:

Currently Unavailable

Pros & Cons

👍 Pros

Two-card bundle provides 256GB total at a lower per-gigabyte cost than buying individually
120 MB/s read speed allows fast file transfers and smooth media playback
Class 10 UHS-1 rating ensures reliable minimum write speeds for HD video and photo storage
Waterproof construction protects stored data from accidental water exposure

👎 Cons

Write speed rated at 40x is modest compared to UHS-3 or V30 cards available at similar capacities
Two separate 128GB cards cannot function as a single unified 256GB volume
No SD adapter mentioned in the listing for use in full-size SD card slots
UHS-1 speed class may bottleneck 4K video recording on devices that require faster sustained writes

Frequently Asked Questions

What is included in this package?

You receive two 128GB SanDisk Ultra microSDHC UHS-1 memory cards, giving you a combined total of 256GB of storage.

How fast are the read and write speeds on these cards?

The cards offer read speeds up to 120 MB/s and write speeds rated at 40x, with a Class 10 speed rating for consistent minimum performance.

Are these cards waterproof?

Yes, SanDisk has designed these cards with waterproof durability, protecting your data from accidental water exposure.

What devices are these cards compatible with?

They are listed as compatible with smartphones and any device that accepts microSD or microSDHC cards.

Can I use these cards in a dash cam or security camera?

While physically compatible with any microSD slot, these are UHS-1 Class 10 cards optimized for smartphone use. Continuous-write applications like dash cams may benefit from cards specifically rated for endurance or higher sustained write speeds.