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Small black microSDXC card with gold contacts and white label text

Kingston Technology Corp.

Kingston Technology Corp. SDCS3/128GB 128 GB microSDXC memory card

SKU CH-9AHP-7VGP4

128 GB microSDXC card with Class 10 UHS-I read speeds up to 150 MB/s, write speeds of 100–120 MB/s, and A1 app performance for Android devices

  • Card typeMicro SDXC
  • TypemicroSDXC
  • Capacity128 GB
  • Speed Class Ratingclass_10
  • Read Speed150 megabytes_per_second
  • Write Speed100-120 megabytes_per_second
  • Read speeds up to 150 MB/s for quick file transfers
  • Write speeds of 100–120 MB/s capture photos and video smoothly
  • 128 GB capacity stores thousands of images and hours of footage
  • A1 app performance loads Android apps faster
  • Waterproof, temperature-proof and X-ray-proof design protects data

128 GB microSDXC UHS-I Card

Kingston's Canvas Select Plus microSDXC card provides 128 GB of storage with UHS-I Class 10 performance. It delivers read speeds up to 150 MB/s and write speeds between 100 and 120 MB/s. The A1 rating supports faster app loading on Android devices. The card is tested for waterproof, temperature proof and X-ray proof durability.

Suited for Android phones.

This card fits users who need reliable capacity for photos, videos and apps on mobile devices. The A1 classification helps with everyday multitasking and app launches. Buyers recording high-bitrate video requiring sustained write speeds above the U1 specification should verify their device requirements. Users needing capacities beyond 128 GB must select a different model.

UHS-I Class 10 with A1 app performance

The decisive specification is the UHS-I Class 10 rating combined with A1 application performance. It guarantees minimum sequential write speeds of 10 MB/s and random IOPS for app use. This determines whether the card meets the speed floor for your Android device or camera. Check your hardware manual for the required speed class before purchase.

Highlights

  • Read speeds up to 150 MB/s for quick file transfers
  • Write speeds of 100–120 MB/s capture photos and video smoothly
  • 128 GB capacity stores thousands of images and hours of footage
  • A1 app performance loads Android apps faster
  • Waterproof, temperature-proof and X-ray-proof design protects data

Specifications

BrandKingston
Card typeMicro SDXC
ModelSDCS3/128GB
Part NumberSDCS3/128GB
TypemicroSDXC
Capacity128 GB
Speed Class Ratingclass_10
Read Speed150 megabytes_per_second
Write Speed100-120 megabytes_per_second

Questions about this item

What host device and slot does this 128 GB microSDXC card need to work?

It requires a microSDXC-compatible slot that supports UHS-I and Class 10 speeds; most modern Android phones, tablets and cameras meet this.

Will this UHS-I U1 card slow down an older camera that only reads Class 10 cards?

No, the card is backward compatible and will operate at the camera's maximum supported speed without causing errors.

How can I confirm the 150 MB/s read speed is being reached after setup?

Run a sequential read test with a tool such as CrystalDiskMark on a UHS-I reader; sustained results near 150 MB/s show the card is performing as specified.

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