SanDisk Express

512 GB, microSD Express, U3, UHS-I
CHF0.16/1GB
Currently out of stock
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Memory Size

Product details

Unleash your creative potential with the SanDisk microSD Express. This microSD card offers tremendous performance: transfer a 2-hour film in less than 3.5 seconds up to 4.4 times faster than microSD UHS-I cards. It supports faster continuous shooting and recording than SD UHS-II cards and enables immersive content. With PCIe Gen 3 NVMe interface, it achieves mobile SSD performance and works with current microSD devices. SanDisk ThermAdapt protects against overheating. Perfect for a generation of creative minds.

Key specifications

Write transfer speed
650 MB/s
Read transfer speed
880 MB/s
Memory card class
Class 10
SD adapter
Without adapters
Item number
53789578

General information

Manufacturer
SanDisk
Category
Memory card
Manufacturer no.
SDSQXFN-512G-GN4NN
Release date
8.1.2025
Sales rank in Category Memory card
481 of 1644

Data storage properties

Memory card type
microSD Express
Number of memory cards included
1
Storage capacity
512 GB
Memory card class
Class 10
UHS bus
UHS-I
UHS speed class
U3
Read transfer speed
880 MB/s
Write transfer speed
650 MB/s
Video speed class
V30
SD adapter
Without adapters
Durability
ShockproofWaterproofX-ray protection

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

30-day right of return
5 years Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Memory card» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 8.Nintendo
    0.2 %
  • 8.Samsung
    0.2 %
  • 8.SanDisk
    0.2 %
  • 8.Silicon Power
    0.2 %
  • 8.Sony
    0.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Raspberry Pi
    0 days
  • 1.Samsung
    0 days
  • 1.SanDisk
    0 days
  • 1.Transcend
    0 days
  • 10.Angelbird
    7 days

Return rate

How often is a product of this brand in the «Memory card» category returned?

Source: Digitec Galaxus
  • 8.Hama
    0.8 %
  • 8.Intenso
    0.8 %
  • 11.SanDisk
    0.9 %
  • 12.Kingston
    1 %
  • 12.Patriot
    1 %
Source: Digitec Galaxus

Translation: machine translated
Without ratingNo rating
CT Magazin Logo
CT MagazinSuperschnelle MicroSD-Speicherkarten im TestReleaseJuly 2025
  • Positivefast reading
  • Negativevery expensive

The microSD Express Card from SanDisk outperforms the competition in almost all disciplines. When writing completely with H2testw, it achieves more than 200 MByte/s, which is more than twice as much as previous memory cards in this mini format. The A1 logo on the card promises fast app launches in the smartphone, but the other cards also far exceed the underlying requirements...