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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

  • Total capacity128 GB
  • Memory card formatMicro SDXC
  • Speed classClass 10
  • Max read speed150 MB/s
  • Write throughput100-120 MB/s
  • Product typeMicroSDXC
  • 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.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $32.99
Cheaper than about 61% of the 1,947 comparable items (median $46.99).
Total capacity 128 GB
Higher than about 60% of the 1,132 comparable items (median 64 GB).
Price per TB $257.73 per TB
Cheaper than about 68% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameKingston
Model nameSDCS3/128 GB
Part numberSDCS3/128 GB
Total capacity128 GB
Product typeMicroSDXC
Performance
Speed classClass 10
Max read speed150 MB/s
Write throughput100-120 MB/s
Storage
Memory card formatMicro SDXC

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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