Skip to main content
Silicon Power 512GB Micro SD Card U3 SDXC microsdxc High Speed MicroSD Memory Card with Adapter
SP Silicon Power

Silicon Power 512GB Micro SD Card U3 SDXC microsdxc High Speed MicroSD Memory Card with Adapter

$89.97 ★★★★½4.6(10,414 reviews)

*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.

Bottom line: The Silicon Power 512GB Micro SD Card U3 SDXC microsdxc High Speed MicroSD Memory Card with Adapter is a category leader on buyer feedback in the external storage category, priced around $89.97, rated 4.6★ across 10,414 verified Amazon reviews. A confident buy for most shoppers in this category.

About this item [NOT compatible with Switch2] Please note that this product is not a microSD Express card and is not compatible with Switch2 for game storage or save data. If used in the Switch2, it may only support limited functions such as storing screenshots or videos, but will not allow game installation or save file access. › See more product details

SpecPicks Verdict

SpecPicks classifies Silicon Power 512GB Micro SD Card U3 SDXC microsdxc High Speed… as a category leader on buyer feedback in the external storage category, based on 10,414 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. SP Silicon Power's positioning sits comfortably above the category median. 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

  • ✓ Highly rated — 4.6★ average across customer reviews
  • ✓ Large, well-vetted feedback pool (10,414 reviews)
  • ✓ Backed by SP Silicon Power'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

  • [NOT compatible with Switch2] Please note that this product is not a microSD Express card and is not compatible with Switch2 for game storage or save data. If used in the Switch2, it may only support limited functions such as storing screenshots or videos, but will not allow game installation or save file access.

Full Specifications

UPC886576066264
ASINB0B81WDJX1
BrandSP Silicon Power
Colorgold
Model NameSU512GBSTXDU3V20AF
Read Speed30 Megabytes Per Second
Item Weight0.32 Ounces
Media Speed80 MB/s
ManufacturerSP Silicon Power
Model NumberSU512GBSTXDU3V20AF
Warranty TypeLimited
Customer Reviews4.64.6 out of 5 stars(10,390)4.6 out of 5 stars
Best Sellers Rank#46 in Micro SD Memory Cards
Flash Memory TypeMicro SD

Ready to buy?

Silicon Power 512GB Micro SD Card U3 SDXC microsdxc High Speed MicroSD Memory Card with Adapter 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.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.

Related External Storage

Silicon Power 512GB Micro SD Card U3 SDXC microsdxc High Speed MicroSD Memory Card with Adapter
$89.97
4.6★ (10,414)
View on Amazon →