SP Silicon Power 128GB microSDXC UHS-I U3 V30 Card

UHS-I: SP Silicon Power 128GB microSDXC card, model SP128GBSTXDU3V20AB, is listed for phones, cameras, gaming consoles and other compatible devices. Its listed U3 and V30 ratings target video use, but transfer speeds depend on the interface and device.

At a glance

The listing names smartphones, tablets, drones, action cameras, DSLRs, camcorders and Nintendo Switch among compatible devices.
Nintendo Switch use requires a system update for microSDXC cards, according to the listing.
The manufacturer lists a 5-year limited warranty.

Price

$28.47Save 19%

Reference price: ~~$34.97~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

128 GB capacity provides space for photos, video and game data in supported devices.
U3 and V30 classifications are listed for video-oriented use.
Manufacturer claims compatibility with a broad range of cameras, phones, tablets and consoles.

Cons

The listing says speeds may vary with interface conditions, so maximum listed rates are not assured on every device.

Technical specifications

16 specifications

Identity
Brand	SP Silicon Power
Model	SP128GBSTXDU3V20AB
Card type	Micro SDXC
Connectivity	microSDXC

Storage and performance
Storage capacity	128 GB
Read speed listed	100 megabytes_per_second
Media speed listed	80 megabytes_per_second
Speed class	Class 10
Video speed class	30
UHS and video ratings	UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)

Compatibility and features
Compatible devices listed	Camera, Gaming Console, Smartphone
Additional features listed	Temperature Proof, Water Proof, X Ray Proof

Dimensions and installation
Weight listed	5 g
Dimensions listed	0.59"L x 0.43"W
Dimensions also listed	0.03"D x 0.43"W x 0.59"H

Warranty
Warranty type	Limited

What to know before buying

Listing details to confirm

Listing details are inconsistent or unconfirmed: the details section gives a 100 megabytes_per_second read speed and 80 megabytes_per_second media speed, while the feature text says up to 80MB/s read and up to 20MB/s write with UHS-I, and warns of different speeds on incompatible interfaces. Confirm applicable rates and interface support for the intended device. The listing also calls the adapter part of the product title but provides no explicit package inventory, and gives two different dimension formats.

Who is it for?

A good fit for

People expanding storage in a compatible smartphone, camera, tablet, drone or gaming console.
Buyers seeking a microSDXC card with listed U3 and V30 ratings for compatible video devices.

Less suited to

Buyers who need confirmed write-speed performance across a particular device or interface.
Anyone whose device does not support microSDXC or requires a different card format.

SP Silicon Power 128GB microSDXC UHS-I U3 V30 Card · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 12,595 ratings

5 stars83%83%
4 stars11%11%
3 stars3%3%
2 stars1%1%
1 star2%2%

Customer feedback is broadly positive about quality, storage capacity, speed and value, and the supplied summary says the card works well with Nintendo Switch. Reports are mixed on compatibility, with some devices not recognizing it, and some customers report data loss or corruption. These concerns matter for buyers relying on a particular device or storing important files. The card's listed speeds also vary across the product details, so customer reports do not settle expected transfer rates.

Positive themes

Customers report positive impressions of quality, storage capacity, speed and value.

Negative themes

Some customers report data loss or corruption, including a card becoming corrupted on its first day.

Mixed feedback

Compatibility feedback is mixed, with reports that some devices do not recognize the card.

Frequently asked questions

Is this card compatible with Nintendo Switch?

The listing says it is compatible. It also notes that a system update is required to use a microSDXC card on Nintendo Switch.

What speeds should I expect?

The listing gives conflicting speed details. It lists 100 megabytes_per_second read and 80 megabytes_per_second media speed, but separately says up to 80MB/s read and up to 20MB/s write with UHS-I. Actual rates may vary by interface.

Does the package definitely include an adapter?

The title mentions an adapter, but no explicit package contents are supplied. Check the selected listing to confirm what is included.

What warranty is listed?

The listing states a 5-year limited manufacturer warranty.