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Small black microSDXC card with full-size SD adapter

SAMSUNG

SAMSUNG PRO Endurance 256GB microSDXC UHS-I U3 100MB/s memory card

SKU CH-5DXS-ZGAJ4

A 256 GB microSDXC card rated for up to 140 160 hours of continuous Full HD recording at 26 Mbps

  • Card typeMicro SDXC
  • TypeMicro SDXC
  • Capacity256 GB
  • Speed Class Ratingclass_10
  • Read Speed100 megabytes_per_second
  • Write Speed25 MB per second
  • 256 GB capacity stores extensive video footage
  • Up to 140 160 hours continuous recording endurance
  • 100 MB/s read speed enables fast file transfers
  • 25 MB/s write speed supports FHD and 4K capture
  • Resists 15 000 Gauss magnetic fields, X-rays, water and drops

Capacity & Purpose

The Samsung PRO Endurance 256 GB microSDXC card is designed for continuous video recording in dash cams, body cams and CCTV systems. Its UHS-I U3 rating supports Full HD and 4K capture, while the rated endurance reaches up to 140 160 hours of recording on the 256 GB model.

Compatibility Check

Verify that your device accepts microSDXC cards and operates with the UHS-I interface. The card ships with an SD adapter for use in full-size slots, but the host must support the exFAT file system used on volumes of this capacity.

Sustained Write Behaviour

Sequential write speed is rated at 25 MB/s, sufficient for the 3.25 MB/s bit-rate of 26 Mbps Full HD footage. The card is built to withstand magnetic fields up to 15 000 Gauss, airport X-ray exposure, water immersion and drops, maintaining performance across long recording cycles.

商品特色

  • 256 GB capacity stores extensive video footage
  • Up to 140 160 hours continuous recording endurance
  • 100 MB/s read speed enables fast file transfers
  • 25 MB/s write speed supports FHD and 4K capture
  • Resists 15 000 Gauss magnetic fields, X-rays, water and drops

商品規格

BrandSAMSUNG
Card typeMicro SDXC
ModelMB-MJ256KA
Part NumberMB-MJ256KA
TypeMicro SDXC
Capacity256 GB
Speed Class Ratingclass_10
Read Speed100 megabytes_per_second
Write Speed25 MB per second

商品問答

Does the 256GB microSDXC card ship with the SD adapter included?

Yes, the Samsung PRO Endurance 256GB card includes a full-size SD adapter in the package so you can use it in standard SD slots.

How does the 256GB capacity compare to the 128GB model for continuous recording time?

The 256GB model supports up to 140,160 hours of Full HD recording at 26Mbps, while the 128GB model provides up to 70,080 hours under the same conditions.

What sustained write performance can I expect from the 100MB/s rating inside a dash cam?

The card delivers a rated write speed of 25MB/s and supports 4K video recording; actual throughput depends on the host device interface and usage conditions.

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