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Samsung 256GB Pro Endurance microSDXC card front view showing U3 and V30 speed ratings
Samsung 256GB Pro Endurance microSDXC card front view showing U3 and V30 speed ratings
White Samsung 256GB memory card angled to show side profile and 256GB capacity label
Close-up of Samsung 256GB microSDXC card corner featuring Pro Endurance branding
Samsung 256GB Pro Endurance microSD card with SD adapter, V30 U3 Class 10
White Samsung 256GB microSDXC memory card and adapter for dash cams
Samsung MB-MJ256K 256GB memory card with adapter, 100MB/s read speed
Samsung 256GB microSDXC memory card with included SD adapter
Samsung PRO Endurance 256GB memory card retail packaging
Back of Samsung 256GB memory card package with specs
Samsung 256GB microSDXC card CE mark showing European compliance for 100 MB/s speed
UKCA certified Samsung 256GB memory card for dash cams and 4K video recording
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Samsung MB-MJ256K 256GB MicroSDXC Class 10 UHS-I 100 MB/s 40 MB/s Memory Card

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$159.99 exc. VAT Note: VAT will be charged for UK & EU Countries at checkout. For Zero VAT (for EU buyers), please provide a VAT number at checkout.

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Product Code: UDHO-3841

MPN #: MB-MJ256KA/EU

Product Condition: New

Never miss a crucial moment because your storage runs out. The Samsung MB-MJ256K 256GB MicroSDXC Class 10 UHS-I 100 MB/s 40 MB/s Memory Card gives you massive space and reliable speed for continuous video capture, perfect for dash cams, CCTV and body-worn cameras. Its endurance means you can set it and forget it, while still getting clear, high-resolution footage whenever you need it.

Benefits of Samsung Memory Card

You gain peace of mind knowing the card can record for years without failure, thanks to its extreme endurance rating. The high read speed lets you retrieve files quickly, saving time when reviewing footage. Its robust construction resists water, temperature extremes and magnetic fields, protecting your data in harsh environments. The five-year limited warranty adds extra confidence to your purchase.

Key Features of a 256GB Memory Card
  • Capacity: 256 GB. Holds vast amounts of video and data without frequent swapping.
  • Form Factor: microSDXC UHS-I Memory Card. Fits standard slots in cameras and smartphones.
  • Speed Class: Video Class V30 / UHS-I U3 / Class10. Guarantees smooth 4K recording.
  • Read speed: 100 MB/s. Allows fast file transfers and quick playback.
  • Write speed: 40 MB/s. Supports steady high-definition video capture.
  • Temperature range: -25 °C to 85 °C. Works reliably in very cold or hot conditions.
  • Resistance: magnets, X-rays, water, drops, wearout. Keeps data safe in tough situations.
  • Warranty: limited 5-year. Provides long-term assurance for your investment.
  • Brand: Samsung. Backed by the world’s leading flash memory manufacturer.
  • Colour: White. Distinctive look that matches many devices.

Usages of a 256GB Memory Card

A reliable storage solution fits seamlessly into daily routines:

  • Continuous loop recording in home or office security cameras.
  • Long-haul dash cam footage on road trips without changing cards.
  • Body-cam recording for security personnel during extended shifts.
  • High-resolution 4K video capture for drones or action cameras.
  • Backup of important files on smartphones or tablets.

Why Choose Samsung Memory Card

Many buyers worry about storage cards failing after a few months of heavy use, especially in devices that record nonstop. They also fear losing footage due to temperature swings or accidental drops. This card addresses those concerns with a proven 140 000-hour lifespan, resistance to extreme conditions, and a solid five-year warranty. Its 256 GB capacity and fast 100 MB/s read speed ensure you can capture and retrieve high-quality video without compromise, making it a trustworthy choice for any demanding recording task.


Specifications
Miscellaneous
Miscellaneous / Color Category White
Header
Header / Product Line Samsung PRO Endurance
Header / Packaged Quantity 1
Memory
Memory / Form Factor microSDXC UHS-I Memory Card
Memory / Speed Class Video Class V30 / UHS-I U3 / Class10
Flash Memory
Flash Memory / Product Type Flash memory card
Flash Memory / Form Factor microSDXC UHS-I Memory Card
Flash Memory / Speed Class Video Class V30 / UHS-I U3 / Class10
Flash Memory / Storage Capacity 256GB
General
General / Product Type Flash memory card
General / Storage Capacity 256 GB
Summary Details
Capacity 256 GB
Flash card type MicroSDXC
Flash memory class Class 10
Internal memory type UHS-I
Read speed 100 MB/s
Write speed 40 MB/s
UHS Speed Class Class 3 (U3)
Video Speed Class V30
Product colour White

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