SanDisk
SanDisk SDSQXVF-032G-GN6MA Extreme 32GB MicroSDHC UHS-I Card
★★★★★
4K
90MB/s read speeds and U3 Class rating let this 32GB microSD card handle 4K UHD video capture without a dropped frame.
$9.68*
Check availability
*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Key Features
Engineered for the latest Android based smartphones, tablets, action and MIL cameras
Shoot continuous burst mode, Full HD and 4K Ultra HD video, up to 90MB/s transfer speed
Built for and tested in harsh conditions; temperature proof, water proof, shock proof, and x ray proof
SanDisk Memory Zone App makes it easy to manage your smartphone memory with your media files
Deluxe data recovery software downloadable offer
Specifications
Capacity
32GB
Type
MicroSDHC UHS-I Card
Transfer Speed
Up to 90MB/s
Video Support
Full HD, 4K Ultra HD
Durability
Temperature proof, water proof, shock proof, x-ray proof
Compatibility
Android based smartphones, tablets, action and MIL cameras
Pros & Cons
👍 Pros
- Sustained 30MB/s minimum write speed (U3) supports uninterrupted 4K UHD recording
- Sequential read speeds up to 90MB/s cut file transfer times significantly versus Class 10 cards
- Rated for water, temperature extremes, shock, and X-ray exposure — genuinely durable field card
- Ships with a full-size SD adapter, making it compatible with DSLR card slots without an additional purchase
- 32GB capacity in microSDHC form factor is broadly compatible across cameras, tablets, and Android devices
👎 Cons
- Maximum write speed is not officially published — power users cannot confirm peak sequential write performance from spec sheet alone
- 32GB capacity is limiting for extended 4K shooting sessions, where bitrate-heavy codecs can consume space rapidly
- UHS-I bus maxes at ~104MB/s theoretical — not compatible with UHS-II speeds even if your device supports them
- No built-in write-protect switch on the microSD card itself (only on the included full-size adapter)
Frequently Asked Questions
What does the U3 speed class rating mean for video recording?
U3 guarantees a minimum sustained write speed of 30MB/s — the threshold required for recording 4K UHD video. Below that floor, cameras buffer-stall and drop frames. This card meets that requirement and is rated up to 90MB/s sequential read, which also accelerates file transfers to your computer after a shoot.
Is this card compatible with standard microSDHC slots, or does it require a special reader?
It uses the standard microSDHC form factor and is backward-compatible with UHS-I slots. It will also function in non-UHS devices, though speeds will be capped to the host device's maximum — typically Class 10 / 10MB/s on older hardware.
What does "temperature proof, water proof, shock proof, x-ray proof" actually mean in practice?
SanDisk tests the Extreme line to operate between -25°C and 85°C, survive immersion in water (IEC 60529 IPX7), withstand airport security X-ray scanners, and resist drops and physical shock. The card's data is protected, but the adapter it ships with is not rated to the same standards.
Can I use this card in a Nintendo Switch or similar gaming device?
The card will physically fit and function in microSDHC-compatible slots. However, for gaming consoles that support microSDXC (larger capacities), check your device's compatibility list — some devices require SDXC format for storage expansion beyond 32GB.
What is the write speed ceiling on this card?
SanDisk rates read speeds up to 90MB/s but does not publish a maximum write speed figure for this model. Expect real-world sequential writes in the 40–60MB/s range based on the UHS-I U3 class floor and comparable Extreme cards in this generation.
Related Products
