SanDisk
SanDisk SDSQUAR-256G-GN6MA 256GB MicroSD Card Galaxy Bundle
★★★★★
Expand your Samsung Galaxy storage to 256GB with blazing-fast read speeds and a bundled multi-slot card reader.
$24.47*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Key Features
Bundle includes (1) 256GB MicroSD SanDisk Ultra Card and (1) Everything But Stromboli (TM) Combo Card Reader - Includes SD, Micro SD, M2, and MS slots for easy transfer
Compatible with Samsung Galaxy A10e, A10s, A30s, A50s, A90 5G smart phones
Read speeds up to 120mb/s; rated A1 for app performance and UHS Speed Class U1 and Speed Class 10 for fast Full HD video recording and playback
Shockproof, temperature-proof, waterproof, and X-ray-proof for reliability and durability
Ideal for Android-based tablets and smartphones for more expandable storage
Specifications
Brand
SanDisk
Model
SDSQUAR-256G-GN6MA R6
Capacity
256GB
Card Type
MicroSDXC
Read Speed
Up to 120MB/s
Speed Class
Class 10, UHS U1
App Performance
A1 Rated
Durability
Shockproof, Temperature-proof, Waterproof, X-ray-proof
Bundle Includes
256GB MicroSD Card + Everything But Stromboli Combo Card Reader
Compatibility
Android Smartphones and Tablets (incl. Samsung Galaxy A10e, A10s, A30s, A50s, A90 5G)
Pros & Cons
👍 Pros
- 256GB capacity provides ample room for apps, photos, videos, and files
- Read speeds up to 120MB/s allow for quick file transfers and smooth Full HD video playback
- Bundled multi-slot card reader adds convenience for transferring files to a computer
- Shockproof, waterproof, temperature-proof, and X-ray-proof construction ensures durability
👎 Cons
- Write speeds are not specified and are typically slower than the advertised read speeds
- The U1/Class 10 rating is not ideal for 4K video recording, which benefits from U3/V30 speeds
- The bundled card reader is a third-party accessory and may not match the build quality of the SanDisk card
- Not optimized for use in cameras or devices that require sustained high-speed write performance
Frequently Asked Questions
What is included in this bundle?
The bundle includes one 256GB SanDisk Ultra MicroSDXC card and one Everything But Stromboli combo card reader with SD, Micro SD, M2, and MS slots.
What read speeds can I expect from this card?
The SanDisk Ultra 256GB offers read speeds up to 120MB/s, with a UHS Speed Class U1 and Class 10 rating suitable for Full HD video recording and playback.
Is this card durable enough for everyday use?
Yes, the card is shockproof, temperature-proof, waterproof, and X-ray-proof, so it is built to withstand harsh conditions and everyday handling.
Will this card work with my Samsung Galaxy phone?
This card is listed as compatible with Samsung Galaxy A10e, A10s, A30s, A50s, and A90 5G. It also works with most other Android smartphones and tablets that accept MicroSD cards.
What does the A1 app performance rating mean?
The A1 rating means the card meets minimum random read/write speeds for running apps directly from the card, so apps stored on it will load and perform more smoothly.
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