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Tiny black microSDXC card with Delkin branding

Delkin

Delkin CYT microSDXC 64GB Class 10 UHS-I U1 40MB/s 20MB/s

SKU CH-B7Y8-ZTFYE

A 64 GB microSDXC card rated Class 10 with 40 MB/s read and 20 MB/s write speeds

  • Total capacity64 GB
  • Memory card formatMicroSD
  • Speed classClass 10
  • Product typeMicroSDXC
  • 64GB capacity stores thousands of photos and videos
  • Class 10 rating guarantees minimum 10MB/s sustained write speed
  • 40MB/s read speed transfers files quickly to computers
  • 20MB/s write speed captures Full HD video smoothly
  • microSDXC format fits phones, drones and action cameras

Capacity & Format

The Delkin CYT microSDXC card provides 64 GB of removable storage in the microSD form factor. It suits photographers, drone pilots and mobile-device users who need high-capacity media for 4K video or large image libraries.

Speed Class & Write Rate

Class 10 rating guarantees a minimum sustained write speed of 10 MB/s, while the manufacturer specifies up to 20 MB/s typical write and 40 MB/s read. Devices that require UHS-I U1 performance will meet their minimum throughput with this card.

Thermals & Power

Solid-state construction means no moving parts and negligible heat output during normal read or write cycles. Power draw is limited to the low levels defined by the UHS-I bus, so the card adds no measurable thermal load to phones, cameras or action cams.

How it compares

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

Price $34.99
Cheaper than about 59% 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 $546.72 per TB
Pricier than about 66% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameDelkin
Total capacity64 GB
Product typeMicroSDXC
Performance
Speed classClass 10
Storage
Memory card formatMicroSD

Questions about this item

What does the 40 MB/s read speed mean when the card is in a device?

The 40 MB/s figure is the maximum sequential read speed the card can deliver under ideal conditions; actual transfer rates will vary with the host device and file sizes.

How does the UHS-I U1 rating affect write performance?

U1 certifies a minimum sustained write speed of 10 MB/s, and the card is also rated for up to 20 MB/s maximum write on the UHS-I interface.

What size slot and adapter does this 64 GB microSDXC card need?

It fits a microSDXC slot directly; a microSD-to-SD adapter lets it work in full-size SDXC slots, but older SD or SDHC-only devices will not recognise the 64 GB capacity.

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