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Small black microSD card with gold contacts and SanDisk label

SanDisk

SanDisk 128GB microSD Express memory card SDSQXFN-128G-GN4NN

SKU CH-XMEE-DVMH6

128 GB microSD Express card reaching 880 MB/s read and 480 MB/s write speeds for Nintendo Switch 2

  • Card typeMicro SD
  • TypemicroSDXC
  • Capacity128GB
  • Speed Class Ratingclass_10
  • Read Speed880 megabytes_per_second
  • Write Speed100.0

Capacity 128GB

  • 128GB
  • 256GB
  • 512GB

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  • Up to 880 MB/s read speed for rapid file transfers
  • Up to 650 MB/s write speed for fast content creation
  • 128 GB capacity stores extensive media libraries
  • MicroSD Express design works with Nintendo Switch 2
  • PCIe NVMe interface delivers portable SSD-level performance

SanDisk 128GB microSD Express Card

This SanDisk microSD Express card offers 128GB of storage for creators, gamers and tech enthusiasts who need faster transfer speeds. It uses a PCIe Gen 3 NVMe interface to reach performance levels similar to basic portable SSDs. The card works with the Nintendo Switch 2 and remains compatible with current microSD UHS-I and UHS-II devices.

ThermAdapt Technology and Power Profile

SanDisk ThermAdapt technology manages heat during sustained high-speed operation to maintain consistent throughput. The NVMe interface draws more power than legacy UHS-I cards only while transferring data at peak rates. In typical mixed use the card runs cool and quiet inside compatible hosts without active cooling.

Build Integration and Host Requirements

To reach the quoted 880MB/s read and up to 650MB/s write speeds the host must support the microSD Express standard. Older UHS-I or UHS-II slots will fall back to their native speeds, so buyers who need maximum throughput should verify Express support before purchase. The 128GB capacity suits users who want faster offloads without stepping up to larger cards.

商品特色

  • Up to 880 MB/s read speed for rapid file transfers
  • Up to 650 MB/s write speed for fast content creation
  • 128 GB capacity stores extensive media libraries
  • MicroSD Express design works with Nintendo Switch 2
  • PCIe NVMe interface delivers portable SSD-level performance

商品規格

BrandSanDisk
Card typeMicro SD
ModelSDSQXFN-128G-GN4NN
Part NumberSDSQXFN-128G-GN4NN
TypemicroSDXC
Capacity128GB
Speed Class Ratingclass_10
Read Speed880 megabytes_per_second
Write Speed100.0

商品問答

How do I install the microSD Express card in my Nintendo Switch 2 and what is the common mistake?

Insert the card label-side up until it clicks into the microSD slot; the common mistake is forcing it in upside-down, which can damage the PCIe Gen 3 NVMe connector pins.

What maintenance or replacement will the SanDisk SDSQXFN-128G-GN4NN need over time?

No scheduled maintenance is required; replace the 128GB card only if the 100MB/s sustained write speed drops consistently or the ThermAdapt thermal protection triggers frequent throttling.

What limit appears first during sustained 5.3K video recording on this card?

The 100MB/s sustained write speed is the first bottleneck; it caps continuous 5.3K or 10MP RAW capture before the 480MB/s peak write or 880MB/s read ceilings are reached.

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