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Tiny black microSDHC card with gold contacts, 16GB Class 4

SanDisk

SanDisk SDSDQM-016G CRG 16GB microSDHC Class 4 memory card

SKU CH-RE2B-JWRSW

A 16 GB microSDHC card rated Class 4 for standard-definition recording and everyday storage in phones, cameras and other portable devices

  • TypemicroSDHC
  • Card typeMicroSD
  • Capacity16GB
  • Speed Class RatingClass 4
  • 16 GB capacity stores thousands of photos
  • Class 4 rating guarantees minimum 4 MB/s write speed
  • microSDHC format fits phones and compact cameras
  • New condition ensures full reliability out of the box
  • Bulk packaging without adapter keeps cost low

Purpose & audience

The SanDisk SDSDQM-016G CRG is a 16GB microSDHC card rated Class 4 with a minimum sustained write speed of 4MB/s. It suits devices that accept the microSDHC format such as older phones, compact cameras and portable recorders.

What the bundle changes

The card is supplied without an adapter so it fits directly into a microSD slot. Users whose equipment only has a full-size SD slot must obtain a separate adapter to use this card.

Practical limits of the standard

The microSDHC format covers capacities from 4GB to 32GB and is not readable by hardware that only supports the original microSD limit of 2GB. Class 4 write performance is adequate for standard-definition video but not for high-bitrate or full-HD recording.

Highlights

  • 16 GB capacity stores thousands of photos
  • Class 4 rating guarantees minimum 4 MB/s write speed
  • microSDHC format fits phones and compact cameras
  • New condition ensures full reliability out of the box
  • Bulk packaging without adapter keeps cost low

Specifications

BrandSanDisk
TypemicroSDHC
Card typeMicroSD
Capacity16GB
Speed Class RatingClass 4

Questions about this item

How long will a 16GB Class 4 microSDHC card last before it needs replacing?

Flash memory wears with write cycles; a 16GB Class 4 card used for daily photo or video storage typically lasts several years before errors appear.

What speed limit appears first during continuous recording on a Class 4 microSDHC card?

The Class 4 rating guarantees at least 4 MB/s sustained write speed, so the card’s own write ceiling is the first bottleneck in long captures.

Does a 16GB Class 4 microSDHC card get hot or draw much power during all-day use?

microSDHC cards consume very little power and produce negligible heat even during continuous read or write sessions.

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