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SanDisk

256GB Extreme microSD UHS I Card for 4K Video on Smartphones, Action Cams & Drones 190MB/s Read, 130MB/s Write SDSQXAV 256G GN6MN, Red/Gold

Name: SanDisk 256GB Extreme microSD UHS I Card for 4K Video on Smartphones, Action Cams & Drones 190MB/s Read, 130MB/s Write SDSQXAV 256G GN6MN, Red/Gold
Brand: SanDisk
SKU: B0B2DCZDJZ
Price: 67.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-22

$67.99

Buy on Amazon — $67.99 Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The 256GB Extreme microSD UHS I Card for 4K Video on Smartphones, Action Cams & Drones 190MB/s Read, 130MB/s Write SDSQXAV 256G GN6MN, Red/Gold is a niche pick — read recent reviews before buying in the external storage category, priced around $67.99. Read recent reviews carefully before committing.

The SanDisk Extreme microSDXC memory card lets you save time transferring media with read speeds of up to 190MB/s9.powered by SanDisk QuickFlow Technology10.64GB 1TB. Pair with the SanDisk Professional PRO READER SD and microSD to achieve maximum speeds sold separately. With write speeds up to 130MB/s9, it's ideal for your Android smartphone, action cameras, or drones. This high performance microSD card handles 4K UHD video recording, Full HD video2, and high resolution photos. Plus, it's A2 rated, so you can get fast application performance for an exceptional smartphone experience.7..

SpecPicks Verdict

SpecPicks classifies SanDisk 256GB Extreme microSD UHS I Card for 4K Video on… as a niche pick — read recent reviews before buying in the external storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. SanDisk's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by SanDisk's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

With SanDisk QuickFlow Technology10 (64GB - 1TB), this card optimizes performance for timesaving media offloads with quick read speeds up to 190MB/s.9 Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately).
Capture fast-action photos or shoot 4K UHD video2 with write speeds of up to 130MB/s.9The SanDisk Extreme microSDXC UHS-I Card lets you shoot more and faster.
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, 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
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A27Specification.
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.

Full Specifications

UPC	619659188511
ASIN	B0B2DCZDJZ
Brand	SanDisk
Colour	Red/Gold
Language	English, French, German, Italian, Turkish
Model Name	SDSQXAV-256G-GN6MN
Model name	SDSQXAV-256G-GN6MN
Read Speed	190 Megabytes Per Second
Unit Count	1.0 Count
Item Weight	5 Grams
Media Speed	130 MB per second
Manufacturer	Western Digital
Model Number	SDSQXAV-256G-GN6MN
Warranty Type	Limited

Ready to buy?

SanDisk 256GB Extreme microSD UHS I Card for 4K Video on Smartphones, Action Cams & Drones 190MB/s Read, 130MB/s Write SDSQXAV 256G GN6MN, Red/Gold is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.