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SanDisk Extreme 512GB microSDXC Card vs SanDisk Extreme 512GB microSDXC

These are the same card. Both are the SanDisk Extreme 512GB microSDXC UHS-I, with V30, U3, A2 ratings and up to 190 MB/s read and 130 MB/s write. The only real difference is that product A ships with an SD adapter, which product B does not mention. Buy A if you need to slot the card into a full-size SD reader or a laptop slot. Otherwise buy whichever listing is the plainer card. Owners rate it 4.6 out of 5, and reviewers consistently praise sustained 4K recording and fast transfers.

  • Choose the SanDisk Extreme 512GB with adapter if you want to use the card in a full-size SD slot or card reader without buying an adapter separately.
  • Choose the SanDisk Extreme 512GB card alone if you already own an adapter or only ever use microSD slots.

Prices

  • SanDisk Extreme 512GB microSDXC Card: $55.98 at eBay (last seen Nov 8)
  • SanDisk Extreme 512GB microSDXC: $106.99 at Studio Depot (last seen Nov 8)
  • Difference: the SanDisk Extreme 512GB microSDXC Card is $51.01 cheaper than the SanDisk Extreme 512GB microSDXC at the latest prices (Nov 8)
SANDISK
SanDisk Extreme microSDXC Class 10 UHS-I U3 V30 A2 512GB + Adapter

SanDisk Extreme 512GB microSDXC Card

SanDisk Extreme microSDXC Class 10 UHS-I U3 V30 A2 512GB + Adapter

4.6(43 ratings)
$55.98at eBayChecked Nov 8
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • Includes an SD adapter for laptops and card readers
  • V30 and U3 guarantee minimum 30 MB/s write for 4K video
  • A2 rating helps with app storage on Android
  • 190 MB/s read and 130 MB/s write are fast for UHS-I
  • 512 GB holds hours of 4K footage
Cons
  • Adapter is easy to lose
  • UHS-I, not UHS-II, so it caps below the fastest cards
  • Sustained write speed is well under the 130 MB/s peak
  • No Wi-Fi or wireless transfer
SanDisk
SanDisk 512GB Extreme microSDXC UHS-I Memory Card

SanDisk Extreme 512GB microSDXC

SanDisk 512GB Extreme microSDXC UHS-I Memory Card

$106.99at Studio DepotChecked Nov 8
See all prices and details
Visit Studio Depot
Pros
  • Same speed and capacity as the adapter bundle
  • Card-only listing suits people who already have an adapter
  • A2 and V30 ratings cover 4K video and app storage
  • Wear leveling and error correction for long-term use
  • Widely available and well rated by owners
Cons
  • No adapter in the box
  • UHS-I interface limits peak throughput
  • Peak write speed is not sustained for long bursts
  • No wireless features

What separates them

SanDisk Extreme 512GB microSDXC CardSanDisk Extreme 512GB microSDXC
Bundled adapterIncludes a microSD-to-SD adapterCard only, no adapter listed
Speed ratingsUHS-I, U3, V30, Class 10, A2UHS-I, U3, V30, Class 10, A2
Read/write speedUp to 190 MB/s read, 130 MB/s writeUp to 190 MB/s read, 130 MB/s write
Capacity512 GB512 GB
App performanceA2, suited to running apps from the card on AndroidA2, same rating
Durability featuresTemperature, water, shock and X-ray resistanceWear leveling and error correction, same card family
Use in full-size SD devicesWorks in SD slots via the included adapterNeeds a separate adapter for SD slots

Price history

$134.95$105.69
Nov 8Nov 10
  • SanDisk Extreme 512GB microSDXC Card: lowest $105.69 on Nov 10 at eBay.
  • SanDisk Extreme 512GB microSDXC: lowest $105.99 on Nov 8 at Walmart; $109.99 on Nov 10.

Prices at every store

SanDisk Extreme 512GB microSDXC Card

  • Ma boutiqueNew

    In stock

    $34.99Checked Nov 8
    Visit Ma boutique
  • Newegg.comNew

    In stockSold by 3C Expert

    $119.98Free shippingChecked 3 h ago
    Visit Newegg.com
  • eBayNew

    Availability unknownSold by ucarryz (99.9% positive, 11,300 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $55.98Free shippingChecked Nov 8
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $118.97Free shippingChecked 3 h ago
    Visit Amazon

Also available at

  • eBayCheck price at eBay

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All 19 stores and price history →

SanDisk Extreme 512GB microSDXC

  • Studio DepotNew

    In stock

    $106.99Checked Nov 8
    Visit Studio Depot
  • WalmartNew

    In stockSold by First Choice Online

    $105.99+ $10.99 shippingChecked Nov 8
    Visit Walmart
  • acephoto.netNew

    In stock

    $121.99Checked Nov 8
    Visit acephoto.net
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $109.99Free shippingChecked 3 h ago
    Visit Amazon

Also available at

  • bhphotovideo.comCheck price at bhphotovideo.com
  • eBayCheck price at eBay

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All 18 stores and price history →

Specs compared

SpecSanDisk Extreme 512GB microSDXC CardSanDisk Extreme 512GB microSDXC
Video Speed ClassV30—
SD TypemicroSDXC—
Memory Size512 GB—
Wi-FiNo—
Speed ClassClass 10—
App Performance ClassA2—
Write Speed (MB/s)130—
UHS InterfaceUHS-I—
UHS Speed ClassU3—
Read Speed (MB/s)190—
colorMulticolor—
sizeN/A—

What reviewers say

SanDisk Extreme 512GB microSDXC Card

  • 4.6 / 543 ratings

Owners highly rate this card for its reliability in demanding environments like aerial photography and gaming. While it reaches top speeds only with specific hardware, its consistent performance for 4K video is widely praised.

What people mention
  • Video StabilityPraisedThe V30 and U3 ratings ensure that 4K video writes remain steady without stuttering.
  • Transfer SpeedMixedWhile read speeds are high, users note you need SanDisk's specific QuickFlow technology to hit 190MB/s.
  • App PerformancePraisedThe A2 rating is frequently cited as a major benefit for smartphone users running apps off the card.

SanDisk Extreme 512GB microSDXC

Reviewers and owners treat this as a dependable everyday card for phones, drones and action cameras, with the A2 rating and 4K support called out as the reasons to pick it. Complaints center on write speeds dropping under sustained load and on rare early failures.

What people mention
  • SpeedMixedFast for everyday transfers and 4K clips, but sustained writes slow once the card heats up.
  • CapacityPraised512GB is enough for long trips and large game or photo libraries without swapping cards.
  • ReliabilityMixedMost owners report trouble-free use, while a minority describe cards failing early.
  • App performancePraisedThe A2 rating makes Android apps and games load faster than on older cards.

Questions and answers

Are these two cards actually different?
No. Both are the SanDisk Extreme 512GB microSDXC UHS-I card with the same V30, U3, A2 ratings and the same 190 MB/s read and 130 MB/s write speeds. The adapter is the only difference.
Which is better for 4K video in a drone or action camera?
Either one. Both carry V30 and U3, which guarantee a minimum 30 MB/s write speed, enough for 4K recording on typical drones and action cameras.
Do I need the adapter version?
Only if you plan to use the card in a full-size SD slot, such as a laptop reader or an older camera. If every device you own takes microSD, the plain card is enough.
Which lasts longer?
They are the same card, so lifespan is identical. Both use wear leveling and error correction, and both are rated for temperature, water, shock and X-ray exposure.
Is it worth stepping up to a faster card?
Only if your device supports UHS-II or you shoot long high-bitrate bursts. For most phones, drones and action cameras, this card's UHS-I speeds are already the device's limit.
Will it work in a Nintendo Switch or a phone?
Yes. The A2 rating and 512 GB capacity suit app and game storage on Android phones and the Switch, and the card works in any microSDXC slot.

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More comparisons

  • SanDisk Extreme microSDXC Class 10 UHS-I U3 V30 A2 512GB + Adapter vs SanDisk Extreme microSDXC UHS-I U3 512 GB + SD Adapter