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Small black microSD card with gold contacts and red label, includes SD adapter and mini case

Gigastone Corporation

Gigastone Corporation Camera Plus 128GB microSDXC memory card UHS-I A1 V30 U3 Class 10 100MB/s

SKU CH-GZGY-8ATA9

128 GB microSDXC card rated UHS-I U3, V30 and A1 for 4K video and app performance, with up to 100 MB/s read and 50 MB/s write speeds

  • Total capacity128 GB
  • Memory card formatMicroSD
  • Speed classA1 / Class 10 / U3 / UHS-I / V30
  • Max read speedUp to 100 MB/s
  • Write throughputUp to 50 MB/s
  • Product typeMicroSDXC

Capacity 128GB

Series Camera Plus

Model 1-Pack

  • 100MB/s read speed captures 4K video smoothly
  • 50MB/s write speed keeps burst shooting responsive
  • A1 rating launches apps faster on phones
  • Waterproof, shockproof, temperature-proof and X-ray proof
  • Includes SD adapter and mini case for flexibility

128 GB microSDXC card for action cameras

This Gigastone Camera Plus microSDXC card offers 128 GB of storage and is rated UHS-I U3, V30, A1 and Class 10. Sequential read speeds reach up to 100 MB/s and write speeds up to 50 MB/s. It is built for 4K Ultra HD video recording and playback in action cameras, sports cameras and GoPro devices.

Check device slot and speed requirements

Verify that your device accepts microSDXC cards and supports UHS-I speeds to achieve the rated performance. The card includes a microSD-to-SD adapter for use in full-size SD slots. Confirm that your host can handle the 128 GB capacity and the A1 application performance class if you plan to run apps directly from the card.

Suits 4K action-camera users.

This card suits creators capturing 4K footage on action cameras, drones or smartphones who need waterproof, shockproof, temperature-proof and X-ray-proof media. Buyers who need sustained write speeds above 50 MB/s or capacities beyond 128 GB should look at higher-tier options.

How it compares

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

Price $55.99
Pricier than about 55% 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 $437.42 per TB
Pricier than about 57% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameGigastone Corporation
Product lineCamera Plus
Model name128-3-1
Part number128-3-1
Total capacity128 GB
Product typeMicroSDXC
Performance
Speed classA1 / Class 10 / U3 / UHS-I / V30
Max read speedUp to 100 MB/s
Write throughputUp to 50 MB/s
Storage
Memory card formatMicroSD

Other versions of this model

5 more in the same range

Questions about this item

Does the 128GB Camera Plus card ship with an SD adapter or do I need to buy one separately?

The package includes one microSD to SD adapter and a mini storage case alongside the card itself.

The card lists A1, Class 10, U3, UHS-I and V30 — which rating matters most for 4K video?

V30 guarantees a minimum 30MB/s sustained write speed, which is the spec that ensures smooth 4K recording.

The box says up to 100MB/s read — what write speed should I expect when the card is inside my action camera?

The rated maximum write speed is 50MB/s, so real-world camera writes will sit at or below that figure.

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