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Small black microSDXC card labelled 64GB U3 V30 A2

Gigastone Corporation

Gigastone Corporation 64GB Micro SD Card Camera Pro 64-4-1

SKU CH-6K6S-48CDY

64 GB microSDXC card rated U3, V30 and A1 for 4K video and fast app loading, with read speeds up to 95 MB/s and write speeds up to 35 MB/s

  • Total capacity64 GB
  • Memory card formatMicroSD
  • Speed classA2 / U3 / UHS-I / V30
  • Max read speedUp to 95 MB/s
  • Write throughputUp to 35 MB/s
  • Variant1-Pack

Capacity 64GB

Series 4K Camera Pro

Model 1-Pack

  • Read/write up to 95/35 MB/s for smooth 4K capture
  • V30 rating guarantees 30 MB/s sustained write for UHD video
  • A1 grade speeds up app loading on phones and tablets
  • 64 GB microSDXC expands storage across cameras, drones and Switch
  • 5-year limited warranty with free data recovery from June 2021

64GB microSDXC for 4K capture

This 64GB microSDXC card carries UHS-I U3 and V30 ratings, delivering read speeds up to 95MB/s and write speeds up to 35MB/s. It is built for action cameras, drones and handheld consoles that record Ultra HD 4K video. The A1 rating also accelerates app loading on smartphones and tablets.

Ideal for action cams and Switch

Suits owners of GoPro, DJI, Wyze or Nintendo Switch hardware who need sustained 4K write performance and extra app storage. Buyers who require faster sustained write speeds for professional cinema workflows or higher-capacity cards for extended shoots should consider other options.

V30 sustained write guarantee

The V30 marking guarantees a minimum sequential write speed of 30MB/s, which is the decisive spec for uninterrupted 4K recording. If your device demands a higher sustained write class, this card will not meet that requirement.

How it compares

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

Price $33.99
Cheaper than about 60% of the 1,947 comparable items (median $46.99).
Total capacity 64 GB
Typical for this category: the median of 1,132 items is 64 GB.
Price per TB $531.09 per TB
Pricier than about 65% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameGigastone
Product lineCamera Pro
Model name64-4-1
Part number64-4-1
Total capacity64 GB
Product typeMicroSDXC
Performance
Speed classA2 / U3 / UHS-I / V30
Max read speedUp to 95 MB/s
Write throughputUp to 35 MB/s
Storage
Memory card formatMicroSD
More details
Variant1-Pack

Other versions of this model

5 more in the same range

Questions about this item

How does the 95 MB/s read speed hold up in a real device?

The card delivers sequential reads up to 95 MB/s and writes up to 35 MB/s, so 4K UHD video records without dropped frames and apps launch quickly on phones or Switch.

What does the UHS-I U3 V30 rating mean for everyday use?

UHS-I is the bus interface, U3 and V30 both guarantee a minimum 30 MB/s sustained write, ensuring smooth 4K capture on action cameras and drones.

Will this microSDXC card fit my device's slot?

It uses the standard microSDXC form factor, so any device with a microSDXC or microSDHC slot — phones, cameras, drones, Switch — will accept it.

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