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Small black microSDXC card with white Gigastone label and gold contacts

Gigastone Corporation

Gigastone 512GB microSDXC 100/40 MB/s U3 V30 Class 10

SKU CH-HHHB-H4VBJ

A 512 GB microSDXC card rated U3 and V30 with read speeds up to 100 MB/s and write speeds up to 40 MB/s for 4K video recording

  • Card typeMicroSD
  • TypemicroSDXC
  • Capacity512GB
  • Speed Class RatingClass 10 / U3 / UHS-I / V30
  • Read SpeedUp to 100MB/s
  • Write SpeedUp to 40MB/s

Capacity 512GB

Series V30 4K

Option 1-Pack

  • 512 GB capacity stores hours of 4K footage
  • U3 V30 Class 10 rating guarantees sustained 4K video recording
  • Up to 100 MB/s read speed moves large files quickly
  • Up to 40 MB/s write speed keeps up with high-bitrate capture
  • Waterproof, shockproof, temperature-proof and X-Ray proof for tough environments

Capacity and speed class

This is a 512GB microSDXC card rated Class 10, U3 and V30 with UHS-I interface. It delivers sequential read speeds up to 100MB/s and write speeds up to 40MB/s, making it suitable for recording 4K Ultra HD video on compatible devices.

Suitable devices and limitations

The card works with cameras, security cameras, action cameras, sports cameras, laptops, tablets, PCs and smartphones that accept microSDXC media. Users whose hardware requires a higher video speed class or faster sustained write performance will need a card with those specifications.

Deciding specification

The V30 rating guarantees a minimum sustained write speed of 30MB/s, which is the key figure for verifying that the card can handle the bitrate of your 4K recording workflow.

Highlights

  • 512 GB capacity stores hours of 4K footage
  • U3 V30 Class 10 rating guarantees sustained 4K video recording
  • Up to 100 MB/s read speed moves large files quickly
  • Up to 40 MB/s write speed keeps up with high-bitrate capture
  • Waterproof, shockproof, temperature-proof and X-Ray proof for tough environments

Specifications

BrandGigastone Corporation
Card typeMicroSD
Model512-1-1
Part Number512-1-1
TypemicroSDXC
Capacity512GB
Speed Class RatingClass 10 / U3 / UHS-I / V30
Read SpeedUp to 100MB/s
Write SpeedUp to 40MB/s
Features[4K Ultra HD] Read/Write up to 100/40 MB/s. 4K Ultra HD video displaying/recording
[Compatibility] Storage for Camera, Security Camera, Action Camera, Sports Camera, Laptop, Tablet, PC, Smartphones.
[Environment] Waterproof, shockproof, temperature-proof and X-Ray proof
[Support] Gigastone 5-year limited warranty

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Questions about this item

What comes inside the package and is an adapter included?

The card is supplied as a single microSDXC unit; no adapter or reader is mentioned in the specifications.

Which speed rating should I choose for 4K Ultra HD recording?

The U3 and V30 ratings guarantee a minimum sustained write of 30 MB/s, meeting the 40 MB/s peak needed for 4K Ultra HD capture.

What does the 100 MB/s read figure mean when the card is in a camera?

It is the maximum burst transfer rate for offloading footage; real-world throughput depends on the host device and file sizes.

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