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Four small black microSD cards and a USB reader in plastic cases

SanDisk

SanDisk 16GB microSDHC Class 4 SDSDQAB-016G Memory Card (4 Pack) with Reader

SKU CH-99Q3-KAS6D

Four 16 GB Class 4 microSDHC cards with a reader, rated for read speeds up to 20 MB/s and write speeds up to 5 MB/s

  • TypemicroSDHC
  • Card typeMicroSD
  • Capacity16GB
  • Speed Class RatingClass 4
  • Four cards with plastic cases protect and organise your media
  • Included reader lets you transfer files to any USB port
  • Class 4 rating guarantees 5 MB/s minimum write for steady recording
  • 20 MB/s read speed moves photos and videos to your computer quickly
  • Built to survive water, shock, X-rays, magnets and extreme temperatures

Four microSDHC cards for everyday capture

This pack contains four SanDisk 16 GB microSDHC cards rated Class 4. They suit point-and-shoot cameras, smartphones, tablets and similar devices that accept the microSDHC format. A single USB reader is included for quick offload to a computer.

Class 4 speeds with rugged build

Each card delivers up to 20 MB/s read and 5 MB/s write. The cards are tested to survive water, shock, vibration, X-ray, magnet and impact exposure. They operate from minus 25 °C to 85 °C.

Steady performance during long sessions

Sustained write speed stays at the Class 4 minimum so video recording does not stall during extended clips. The bundled reader handles sequential transfers without overheating. Users needing faster burst rates or larger single capacities should consider other options.

Highlights

  • Four cards with plastic cases protect and organise your media
  • Included reader lets you transfer files to any USB port
  • Class 4 rating guarantees 5 MB/s minimum write for steady recording
  • 20 MB/s read speed moves photos and videos to your computer quickly
  • Built to survive water, shock, X-rays, magnets and extreme temperatures

Specifications

BrandSanDisk
TypemicroSDHC
Card typeMicroSD
Capacity16GB
Speed Class RatingClass 4

Questions about this item

How do I install the four 16 GB microSDHC cards and the included reader, and what step do people often miss?

Insert each card label-side up into the reader's microSD slot until it clicks, then plug the reader into a USB port; the step often missed is pushing the card fully home so the spring latch engages.

What maintenance or replacement will the Class 4 cards need over time?

No scheduled maintenance is required; replace a card only if it becomes unreadable or shows write errors after heavy use.

What limit appears first during sustained writing to these Class 4 cards?

The 5 MB/s write speed ceiling is reached before any thermal limit, since the cards operate up to 85 °C without throttling.

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