Sandisk

SanDisk 128GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-128G-GN6MA

Name: SanDisk 128GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-128G-GN6MA
Brand: Sandisk
SKU: B07FCMKK5X
Price: 35.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-11

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$35.99

As an Amazon Associate, SpecPicks earns from qualifying purchases.

View Current Price on Amazon → Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-09-08. Price and availability subject to change.

Bottom line: The SanDisk 128GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-128G-GN6MA is a specs-and-price decision rather than a crowd-consensus one in the external storage category, priced around $35.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Up to 160MB/s read speeds to save time transferring high res images and 4K UHD videos (2); Requires compatible devices capable of reaching such speeds Up to 90MB/s write speeds for fast shooting; Requires compatible devices capable of reaching such speeds 4K UHD and Full HD Ready with UHS speed class 3 (U3) and video speed class 30 (V30)

SpecPicks Verdict

SpecPicks scored SanDisk 128GB Extreme microSDXC UHS-I Memory Card with Adapter - Up… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the external storage category. Sandisk's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

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.

Frequently Asked Questions

Is this microSD card fast enough for 4K video recording?

Yes. It carries UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings, which are the sustained-write tiers cameras and drones require for 4K UHD, and SanDisk rates write speeds up to 90MB/s.

Does the SanDisk Extreme work in a Steam Deck, Switch, or Raspberry Pi?

It is a standard microSDXC card with an A2 application performance rating, which targets faster random reads for app and game loading. Confirm the card format your specific device supports on the product listing before ordering.

Does it come with a full-size SD adapter?

Yes, this SKU (SDSQXA1-128G-GN6MA) ships with a microSD-to-SD adapter, so you can use it in cameras, laptops, and card readers that take full-size SD.

Will I actually get 160MB/s read speeds?

Only with a device or card reader capable of reaching those speeds. SanDisk notes that both the up-to-160MB/s read and up-to-90MB/s write figures require compatible hardware; older USB 2.0 readers will be the bottleneck.

How durable is this card?

SanDisk states the Extreme line is built for and tested in harsh conditions, rated temperature proof, water proof, shock proof, and X-ray proof. Check the product listing for current warranty terms.

Pros & Cons

Pros

✓ 4K UHD and Full HD Ready with UHS speed class 3 (U3) and video speed class 30 (V30)
✓ 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

Up to 160MB/s read speeds to save time transferring high res images and 4K UHD videos (2); Requires compatible devices capable of reaching such speeds
Up to 90MB/s write speeds for fast shooting; Requires compatible devices capable of reaching such speeds
4K UHD and Full HD Ready with UHS speed class 3 (U3) and video speed class 30 (V30)
Rated A2 for faster loading and in app performance
Built for and tested in harsh conditions: Temperature Proof, Water Proof, shock Proof and x ray Proof
Get the SanDisk memory zone app for easy file management (available on Google Play)

Full Specifications

Size	128GB
Brand	Sandisk
Color	Red
Model	SDSQXA1-128G-GN6MA
Warranty	Lifetime Limited Warranty
UnitCount	1
ReleaseDate	2019-01-08T00:00:01Z
Manufacturer	Sandisk Technologies, Inc.
IsAdultProduct	false
ItemPartNumber	SDSQXA1-128G-GN6MA

Ready to buy?

SanDisk 128GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-128G-GN6MA 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.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-09-08. Price and availability subject to change.