Name: SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3
Brand: Sandisk
SKU: cmnozfw93c764nst2rz2pfety
Availability: InStock

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Description

256 GB MicroSDXC Class 3 UHS-I. Class 1 (U1) V30 160 MB/s. Red. Fast enough to keep up with the action. Get extreme speeds for fast transfer, app performance, and 4K UHD.2 Ideal for your Android™ smartphone, action cameras or drones, this high-performance microSD card does 4K UHD video recording, Full HD video, and high-resolution photos. The super-fast SanDisk Extreme® microSDXC™ memory card reads up to 160MB/s9 and writes up to 90MB/s.9 Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.7. Save time transferring content. Quick read speeds of up to 160MB/s9 let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes.8. Write speeds of up to 90MB/s. Capture fast-action photos or shoot 4K UHD video2 with write speeds of up to 90MB/s.9The SanDisk Extreme® microSDXC™ UHS-I Card lets you shoot more and faster.. Great for capturing 4K UHD Video2. Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 400GB1, the SanDisk Extreme® microSD™ UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.5. Load apps faster with A27. Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme® microSD card’s A2 Specification.. Durable design for use in extreme environments. SanDisk Extreme® microSDHC™ and microSDXC™ UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof,4 so you can enjoy your adventures without worrying about the durability of your memory card.. Compatible with MobileMate® USB 3.0 Reader. Use the MobileMate® USB 3.0 microSD™ Card Reader with transfer speeds of up to 160MB/s9, so you can move big files fast, move a lot of files fast or just make frequent file transfers that much quicker.. Memory. Video Speed Class. V30. Internal memory type. UHS-I. UHS Speed Class. Class 1 (U1). Write speed. 90 MB/s. Read speed. 160 MB/s. Flash memory class. Class 3. Flash card type. MicroSDXC. Capacity. 256 GB. Features. Product colour. Red. Operational conditions. Storage temperature (T-T). -40 - 85 °C. Operating temperature (T-T). -25 - 85 °C. Weight & dimensions. Height. 2.4 mm. Depth. 2.1 mm. Width. 32 mm. Packaging data. Quantity per pack. 1 pc(s). Packaging content. Memory adapter included. microSD. Logistics data. Harmonized System (HS) code. 85235190. leaflet

Full specifications

Marque	Sandisk
Référence fabricant	sdsqxav256ggn6ma

SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 in 2026: still the right choice?

Choosing the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 means opting for the expertise of Sandisk in the Informatique category. Its price starting from £63.3 makes it a serious option on the market. Buyers interested in this brand also look at the SanDisk Ultra 32 GB MicroSDHC Class 10 to complete their comparison. On Compiral, all displayed prices are updated regularly and retailers are selected for their reliability and quality of customer service.

Buy the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 now or wait?

With the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3, Sandisk delivers a quality level consistent with its market positioning. This product suits both newcomers and regular users of the Informatique category. Its quick setup and reliable performance make it a recommended choice for anyone looking to invest in durable equipment without facing technical complications in the first weeks of use.

Value for money analysed in 2026

At £63.3, the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 offers value for money consistent with its positioning in the Informatique category. Sandisk maintains a consistent quality level across this range, justifying the investment at this price. Compare with other available offers on our comparison tool to ensure you get the best rate at the time of purchase. The SanDisk Ultra 32 GB MicroSDHC Class 10 from the same range may also interest you for comparison.

Serious alternatives to consider

If the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 does not exactly match your expectations, the Informatique category offers other options to explore. Our comparison tool lists all available products with their prices in real time. Filter by budget, brand or availability to find the most suitable alternative for your situation. The SanDisk SDSSDE30-1T00-G26 external solid state drive 1 TB USB Type-C 3.2 Gen 2 (3.1 Gen 2) Black is another reference from the same brand to consider.

Market price ranges in 2026

Range	Indicative price	For whom	What you get
Entry-level	Under 3210 £	Tight budget, occasional use	Essential features, reliable for beginners
Mid-range	3210 £ to 7490 £	Regular daily use	Good value for money, solid performance
High-end	Over 7490 £	Demanding users	The best of the category, all advanced features

The SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 is available from several trusted retailers. Always check stock availability and delivery times before finalising your order to avoid any unpleasant surprises. On Compiral, offers showing "In stock" can be delivered quickly, often within 2 to 5 working days depending on the retailer and your delivery address.

Frequently asked questions about SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3

Is delivery free for the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 at all retailers?

Free delivery is not guaranteed for the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.

How do I return the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 if I am not satisfied?

You have a 14-day right of withdrawal for any online purchase, applicable to the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.

Is the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 worth its price in 2026?

In 2026, the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 is listed from £63.3 at our partner retailers. This price is consistent with the positioning of Sandisk in the Informatique category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.

What warranty does the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 come with?

The SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from Sandisk, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.

Is the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 in stock?

Stock availability for the SanDisk Extreme 256 GB MicroSDXC UHS-I Class 3 is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Informatique category.