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SanDisk Extreme 256GB microSDXC UHS-I Card 190 MB/s Read 130 MB/s Write A2 V30 U3 with SD Adapter

Brand:
Sandisk
SanDisk Extreme Flash memory card (microSDXC SDSQXAV256G-GN6MA
SanDisk Extreme 256GB microSDXC UHS-I Card 190 MB/s Read 130 MB/s Write A2 V30 U3 with SD Adapter
€98.87 inc. VAT
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SDSQXAV-256G-GN6MA
€83.08
€98.87 inc. VAT
Ships from EU stock: 20 item(s)
Product Code
04:411286
EAN Code
0619659188504
Manufacturer
Sandisk

Quick Specs

Capacity
256 GB microSDXC
Read speed
Up to 190 MB/s
Write speed
Up to 130 MB/s
Ratings
A2 · U3 · V30
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SanDisk Extreme 256GB microSDXC — 190 MB/s read, 130 MB/s write, A2

130 MB/s write190 MB/s readA2 · U3 · V30SD adapter included

The SanDisk Extreme 256GB microSDXC card, part number SDSQXAV-256G-GN6MA, is the fast small card in SanDisk range: 190 MB/s read, 130 MB/s write, with A2, U3 and V30 ratings and a full-size SD adapter in the box. It is built for action cameras, drones, handheld consoles and Android phones — anywhere a card has to record 4K without dropping frames and load apps without stuttering.

Compatibility — check before buying:
This is the small microSD card. The included SD adapter lets it work in a full-size SD slot as well, so one card covers a drone and a camera. The A2 rating only does anything on a host that supports A2 — on other devices the card still works but behaves like an A1 card. Read speeds above about 100 MB/s need a reader built for SanDisk faster transfer mode: in a phone, a Switch, a Steam Deck or a generic reader, expect roughly 100 MB/s rather than 190. The 130 MB/s write inside a camera is unaffected. In the box: the card and the SD adapter — no reader and no case.

Best For

✓ 4K action cameras and drones
✓ Android phones that run apps from the card
✓ Handheld gaming consoles and retro handhelds
✓ Dashcams needing headroom rather than endurance rating
✓ Filling one large card instead of several small ones
✓ Photographers wanting one card for camera and drone

Key Features

 
130 MB/s write, which is what keeps a camera recording
Read speed decides how fast you offload. Write speed decides whether the recording survives. At 130 MB/s this card sits far above the 30 MB/s that V30 guarantees, so 4K at 100 Mbps has a wide margin even on long takes in heat.
 
A2 changes how Android feels, not how video records
A2 specifies minimum random read and write performance, which is what matters when an app loads from the card rather than when a video streams to it. On an A2-capable Android phone that is the difference between apps launching promptly and hesitating. On a device that does not support A2, the card falls back to A1 behaviour and nothing breaks.
 
SD adapter included, so one card covers two slots
The full-size adapter in the box turns this into a standard SD card for a camera or a laptop slot. It is a passive shell — it changes nothing about speed — but it means a drone card and a camera card can be the same card.
 
Rated for the outdoors, where these cards live
Temperature-proof, waterproof, shockproof, X-ray-proof and magnet-proof, from -25 to 85 degrees Celsius. That is the environment an action camera actually sees. It protects the card rather than the footage, so copy anything irreplaceable off it the same day.

Technical Specifications

Identification
Brand SanDisk
Series SanDisk Extreme microSD (microSDXC UHS-I)
Part Number SDSQXAV-256G-GN6MA
EAN / GTIN 0619659188504
MPN SDSQXAV-256G-GN6MA
Performance
Sequential read Up to 190 MB/s
Sequential write Up to 130 MB/s
App performance class A2 — guaranteed random read and write for running apps from the card
Speed classes Class 10, U3, V30 — V30 means at least 30 MB/s sustained write
Bus interface UHS-I — the standard bus is specified to 104 MB/s, so 190 MB/s requires a reader supporting SanDisk faster transfer mode
Card format & compatibility
Card format microSDXC
Capacity 256 GB
Adapter Full-size SD adapter included
File system exFAT as shipped
Host requirement microSDXC-compatible device; A2 benefits need an A2-capable host
Durability & environment
Durability rating Temperature-proof, waterproof, shock-proof, X-ray-proof, magnet-proof
Operating temperature -25 °C to 85 °C
Non-operating temperature -40 °C to 85 °C
Dimensions 15 x 11 x 1 mm
Weight 0.26 g
Software & box
Bundled software RescuePRO Deluxe data recovery, 1-year licence, download
Contents microSD card and full-size SD adapter
Warranty & Support
Warranty 1-Year Warranty (Singular)
Manufacturer Term SanDisk publishes a lifetime limited warranty on the Extreme microSD line, stated as 30 years in countries that do not recognise lifetime terms, such as Germany and Canada. Cyprus is not named either way. Singular direct warranty is 1 year; beyond that we assist you with the manufacturer warranty process for its full duration.

Frequently Asked Questions

Will this card record 4K in my action camera or drone?
Yes. V30 guarantees 30 MB/s of sustained write and this card is rated to 130 MB/s, which covers every consumer 4K bitrate with room to spare. Check your camera manual for the class it names — if it says V30, this card meets it; if it asks for V60 or V90, it needs a different card and we can point you at one.
Why do I only see about 100 MB/s on my phone or console?
The UHS-I bus is specified to 104 MB/s. SanDisk higher figures come from its own faster transfer mode, which needs a reader designed for it. Phones, Nintendo consoles, Steam Decks and generic readers use the standard bus, so around 100 MB/s is the realistic number there. Nothing is wrong with the card.
What is the difference between this and the Extreme PRO microSD?
At 256 GB the Extreme PRO, part SDSQXCD, reads 200 MB/s and writes 140 against this card 190 and 130. Both are A2, U3 and V30. The gap is small and only visible on a reader built for the faster mode — for most cameras and phones the two behave the same.
Is this the same as the Nintendo-licensed SanDisk card?
No, and the difference is large. The Nintendo-licensed cards, part numbers beginning SDSQXAO, are rated 100 MB/s read and 90 MB/s write and ship without an SD adapter. This Extreme card is faster on paper, though inside a Switch both are limited by the console own bus. Ask us if you want the licensed card specifically.
Singular Expert Insight
The Extreme microSD is the card we recommend for anything that moves — drones, action cameras, handhelds — because the 130 MB/s write and the V30 floor are what stop a recording failing, and the included adapter means the same card drops into a camera afterwards. The number to treat carefully is 190 MB/s: it belongs to SanDisk own reader mode, not to your phone or your console, and a customer who expects it in a Switch will be disappointed by a card that is doing nothing wrong. If you want the extra 10 MB/s of read and write, the Extreme PRO SDSQXCD is the same card family one rung up. Browse the rest of our memory cards or a card reader that can actually deliver the full read speed.

Buyer’s Guide

Buy it if

You need a fast 256 GB microSD for a drone, action camera, handheld console or an Android phone that runs apps from the card. A2, U3 and V30 with 130 MB/s write cover all of those, and the SD adapter is included.

Skip it if

Your device only ever records Full HD or stores files — the cheaper Ultra microSD is enough. Skip it too for continuous dashcam or security recording, where the High Endurance and MAX Endurance cards are designed for constant overwriting.

Also consider

The Extreme PRO 256 GB, SDSQXCD, reads 200 and writes 140. For a dashcam, the High Endurance SDSQQNR or MAX Endurance SDSQQVR are the right lines instead.

Features - Sandisk - SDSQXAV-256G-GN6MA

More Details
Product Code
04:411286
EAN Code
0619659188504
Manufacturer
Sandisk
Technical specifications
Capacity
256GB
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