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Standard SDXC memory card labelled Transcend 340S 256GB U3 V30 A1

Transcend

Transcend 340S 256GB SDXC U3 V30 A1 memory card

SKU CH-9RQZ-9ACCT

256GB SDXC card with U3, V30 and A1 ratings for 4K video and fast app performance

  • Card typeSDXC
  • TypeSecure Digital (SD)
  • Capacity256GB
  • Speed Class Ratingclass_10
  • Read Speed160 megabytes_per_second
  • Write Speed90.0
  • 256GB capacity stores thousands of photos and hours of 4K video
  • Read speeds up to 160MB/s transfer large files quickly
  • Write speeds up to 90MB/s sustain fast burst shooting
  • V30 and U3 ratings guarantee smooth 4K video recording
  • A1 rating delivers high performance for mobile applications

256GB SDXC Card for DSLR and Camcorder Users

This Transcend 340S card provides 256GB of SDXC storage designed for UHS-I compliant DSLR cameras and camcorders. It targets photographers and videographers who need reliable capacity for high-resolution stills and 4K video. The A1 rating supports app performance on compatible mobile devices.

UHS-I Interface Limits Read to 160MB/s

The UHS-I bus caps maximum transfer rates at 160MB/s read and 90MB/s write, so sustained throughput cannot exceed these figures. V30 and U3 ratings guarantee a minimum 30MB/s sequential write for uninterrupted 4K capture. Class 10 ensures 10MB/s baseline performance for Full HD recording.

Verify Your Device Supports SDXC

Check that your camera or camcorder accepts SDXC cards and can utilise UHS-I speeds for the stated performance. Devices limited to SDHC or non-UHS buses will not reach the advertised read or write rates. Confirm 4K recording requirements match V30 minimum sustained write capability.

주요 특징

  • 256GB capacity stores thousands of photos and hours of 4K video
  • Read speeds up to 160MB/s transfer large files quickly
  • Write speeds up to 90MB/s sustain fast burst shooting
  • V30 and U3 ratings guarantee smooth 4K video recording
  • A1 rating delivers high performance for mobile applications

사양

BrandTranscend
Card typeSDXC
Model710943
Part Number710943
TypeSecure Digital (SD)
Capacity256GB
Speed Class Ratingclass_10
Read Speed160 megabytes_per_second
Write Speed90.0

이 상품에 대한 질문

Which capacity of the Transcend 340S SDXC card should I choose for 4K video work?

The 256GB model holds hours of 4K footage and thousands of photos, letting you shoot extended sessions without swapping cards.

What does the 160MB/s read speed mean when I offload files to my computer?

At up to 160MB/s you can transfer a full card of 4K clips in a fraction of the time slower cards need, keeping post-production moving.

What does the UHS-I interface limit in real-world use?

The card is built to the UHS-I standard and delivers up to 160MB/s read and 90MB/s write, matching the bus capability for sustained 4K recording.

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