SanDisk

SanDisk SDSQUA4-400G-AN6MA Ultra 400GB MicroSDXC UHS-I Card

5.0 (15 reviews)
400 GB memory

Expand Your Storage and Capture Every MomentThe SanDisk Ultra 400GB UHS-I microSDXC card offers ample storage and fast performance for your smartphone, tablet, or camera. With read speeds up to 120MB/s, you can quickly transfer files and enjoy smooth Full HD video recording. Its A1 rating ensures...

$58.95*$112.60Save 47%
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Expand Your Storage and Capture Every Moment

The SanDisk Ultra 400GB UHS-I microSDXC card offers ample storage and fast performance for your smartphone, tablet, or camera. With read speeds up to 120MB/s, you can quickly transfer files and enjoy smooth Full HD video recording. Its A1 rating ensures faster app loading for an enhanced user experience.

  • Capacity: 400GB
  • Speed Class: UHS-I
  • Read Speed: Up to 120MB/s
  • Application Performance: A1
  • Form Factor: microSDXC

Key Features

The microSDXC memory card features write speed of around 60 MB/s that is sufficient for recording high-definition videos to your mobile phone, tablet, or other smart devices

The 400 GB memory card provides you with adequate space to shoot and store ample of videos and loads of snapshots

With the UHS-I speed, this card is ideal for applications requiring greater bandwidth while recording large data sets

Specifications

Brand
SanDisk
Model
SDSQUA4-400G-AN6MA
Storage Capacity
400 GB
Card Type
MicroSDXC
Speed Class
UHS-I
Write Speed
Approximately 60 MB/s

Pros & Cons

👍 Pros

  • Offers a generous 400 GB storage capacity for extensive video recording and snapshot storage on mobile devices.
  • Provides sufficient write speed of around 60 MB/s, suitable for recording high-definition videos.
  • Features UHS-I speed, which is optimized for applications that require higher bandwidth when handling large data sets.

👎 Cons

  • The product description does not specify a maximum read speed, which might be a consideration for faster data access.
  • Write speed of 60 MB/s may not be optimal for professional-grade 4K video recording or very high-speed continuous burst photography.
  • Compatibility details with specific device models are not provided, requiring users to verify suitability for their hardware.

Frequently Asked Questions

This microSDXC card is designed for mobile phones, tablets, or other smart devices that support microSDXC and UHS-I standards for recording high-definition videos and storing data.
While 60 MB/s write speed is sufficient for high-definition videos, professional 4K video recording often benefits from higher sustained write speeds to ensure smooth capture without dropped frames.
The 400 GB capacity provides ample space for storing many high-definition videos, though the exact quantity will depend on the video resolution, compression, and duration.
The product title specifies "MicroSDXC," and the features do not mention the inclusion of a standard SD card adapter, so it is primarily for devices with microSD slots.
UHS-I speed indicates that the card is designed for greater bandwidth when recording large data sets, which is beneficial for tasks like high-definition video capture.