Sandisk

SanDisk 512GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-512G-GN6MA

Name: SanDisk 512GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-512G-GN6MA
Brand: Sandisk
SKU: B07P7M6K35
Price: 115.79 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 →

$115.79

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 2026-09-09. Price and availability subject to change.

Bottom line: The SanDisk 512GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-512G-GN6MA is a specs-and-price decision rather than a crowd-consensus one in the external storage category, priced around $115.79. 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 (2) with UHS Speed Class 3 (U3) and video Speed Class 30 (V30) (5)

SpecPicks Verdict

SpecPicks scored SanDisk 512GB 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

How fast is the SanDisk 512GB Extreme microSDXC card?

It reads at up to 160MB/s and writes at up to 90MB/s. Both figures require a host device capable of reaching those speeds; slower readers and older phones will cap throughput below that.

Can this card record 4K video without dropping frames?

Yes. It carries UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings, which is the sustained write tier 4K UHD and Full HD recording require.

What does the A2 rating actually do?

A2 is an application performance class covering faster app loading and in-app responsiveness when software runs from the card. Your device also needs to support A2 for the benefit to apply.

Does it come with an SD adapter?

Yes, a full-size SD adapter is included, so you can use the card in laptops, card readers, and cameras with standard SD slots as well as microSD hosts.

Which devices is this card compatible with?

It works with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I host devices. Confirm your device supports 512GB microSDXC capacities before buying.

Pros & Cons

Pros

✓ Get the SanDisk Memory Zone app for Easy file management (available on Google Play) (3)
✓ 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 (2) with UHS Speed Class 3 (U3) and video Speed Class 30 (V30) (5)
Rated A2 for faster loading and in app Performance (8). Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
Built for and tested in harsh conditions: temperature Proof, Water Proof, shock Proof and x ray Proof(4)
Get the SanDisk Memory Zone app for Easy file management (available on Google Play) (3)

Full Specifications

Size	512GB
Brand	Sandisk
Color	Red
Model	6.19659E+11
Warranty	Lifetime Limited Warranty
UnitCount	1
ReleaseDate	2019-04-24T00:00:01Z
Manufacturer	Western Digital Technologies, Inc.
ItemPartNumber	619659173760

Ready to buy?

SanDisk 512GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-512G-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 2026-09-09. Price and availability subject to change.